/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 -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/28-race_reach_91-arrayloop2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 04:19:47,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 04:19:47,759 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 [2023-08-25 04:19:47,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 04:19:47,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 04:19:47,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 04:19:47,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 04:19:47,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 04:19:47,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 04:19:47,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 04:19:47,793 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 04:19:47,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 04:19:47,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 04:19:47,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 04:19:47,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 04:19:47,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 04:19:47,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 04:19:47,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 04:19:47,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 04:19:47,797 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 04:19:47,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 04:19:47,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:19:47,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 04:19:47,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 04:19:47,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 04:19:47,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 04:19:47,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 04:19:47,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 04:19:47,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 04:19:47,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 04:19:48,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 04:19:48,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 04:19:48,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 04:19:48,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 04:19:48,065 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 04:19:48,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-25 04:19:48,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 04:19:49,243 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 04:19:49,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-25 04:19:49,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81086956c/be086025c83347c5b4a325e976f849a6/FLAGbe50db5b1 [2023-08-25 04:19:49,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81086956c/be086025c83347c5b4a325e976f849a6 [2023-08-25 04:19:49,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 04:19:49,269 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 04:19:49,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 04:19:49,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 04:19:49,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 04:19:49,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480a333c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49, skipping insertion in model container [2023-08-25 04:19:49,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,314 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 04:19:49,654 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,655 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,656 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,658 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:19:49,707 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 04:19:49,728 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 04:19:49,729 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 04:19:49,754 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,755 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,756 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,757 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 04:19:49,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:19:49,819 INFO L206 MainTranslator]: Completed translation [2023-08-25 04:19:49,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49 WrapperNode [2023-08-25 04:19:49,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 04:19:49,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 04:19:49,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 04:19:49,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 04:19:49,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,897 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 303 [2023-08-25 04:19:49,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 04:19:49,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 04:19:49,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 04:19:49,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 04:19:49,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 04:19:49,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 04:19:49,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 04:19:49,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 04:19:49,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (1/1) ... [2023-08-25 04:19:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:19:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:19:49,972 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) [2023-08-25 04:19:49,981 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 [2023-08-25 04:19:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 04:19:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 04:19:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 04:19:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 04:19:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 04:19:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 04:19:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 04:19:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 04:19:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 04:19:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 04:19:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 04:19:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 04:19:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 04:19:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 04:19:50,022 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 04:19:50,193 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 04:19:50,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 04:19:50,637 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 04:19:50,643 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 04:19:50,643 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-25 04:19:50,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:19:50 BoogieIcfgContainer [2023-08-25 04:19:50,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 04:19:50,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 04:19:50,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 04:19:50,649 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 04:19:50,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:19:49" (1/3) ... [2023-08-25 04:19:50,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b097c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:19:50, skipping insertion in model container [2023-08-25 04:19:50,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:19:49" (2/3) ... [2023-08-25 04:19:50,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b097c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:19:50, skipping insertion in model container [2023-08-25 04:19:50,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:19:50" (3/3) ... [2023-08-25 04:19:50,650 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-08-25 04:19:50,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 04:19:50,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-08-25 04:19:50,667 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 04:19:50,801 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 04:19:50,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 300 places, 322 transitions, 652 flow [2023-08-25 04:19:50,948 INFO L124 PetriNetUnfolderBase]: 27/346 cut-off events. [2023-08-25 04:19:50,949 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2023-08-25 04:19:50,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 346 events. 27/346 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 888 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2023-08-25 04:19:50,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 300 places, 322 transitions, 652 flow [2023-08-25 04:19:50,962 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 300 places, 322 transitions, 652 flow [2023-08-25 04:19:50,965 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 04:19:50,974 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 322 transitions, 652 flow [2023-08-25 04:19:50,977 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 322 transitions, 652 flow [2023-08-25 04:19:50,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 300 places, 322 transitions, 652 flow [2023-08-25 04:19:51,029 INFO L124 PetriNetUnfolderBase]: 27/346 cut-off events. [2023-08-25 04:19:51,029 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2023-08-25 04:19:51,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 346 events. 27/346 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 888 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2023-08-25 04:19:51,037 INFO L119 LiptonReduction]: Number of co-enabled transitions 8220 [2023-08-25 04:20:19,586 WARN L234 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:20:28,010 WARN L234 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:20:44,596 WARN L234 SmtUtils]: Spent 11.96s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:20:54,145 WARN L234 SmtUtils]: Spent 9.55s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:21:05,289 WARN L234 SmtUtils]: Spent 11.14s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:21:14,129 WARN L234 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:22:14,323 WARN L234 SmtUtils]: Spent 57.49s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:22:46,095 WARN L234 SmtUtils]: Spent 31.77s on a formula simplification that was a NOOP. DAG size: 216 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:24:12,936 WARN L234 SmtUtils]: Spent 1.45m on a formula simplification that was a NOOP. DAG size: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:25:20,639 WARN L234 SmtUtils]: Spent 1.13m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:27:54,701 WARN L234 SmtUtils]: Spent 2.57m on a formula simplification that was a NOOP. DAG size: 268 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:29:46,748 WARN L234 SmtUtils]: Spent 1.87m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:32:11,414 WARN L234 SmtUtils]: Spent 2.41m on a formula simplification that was a NOOP. DAG size: 268 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:34:22,585 WARN L234 SmtUtils]: Spent 2.19m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 04:34:22,593 INFO L134 LiptonReduction]: Checked pairs total: 30803 [2023-08-25 04:34:22,593 INFO L136 LiptonReduction]: Total number of compositions: 299 [2023-08-25 04:34:22,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 04:34:22,605 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;@6d0c68cb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 04:34:22,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-08-25 04:34:22,606 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 04:34:22,607 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 04:34:22,607 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:34:22,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:34:22,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-25 04:34:22,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-25 04:34:22,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:34:22,610 INFO L85 PathProgramCache]: Analyzing trace with hash 38323, now seen corresponding path program 1 times [2023-08-25 04:34:22,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:34:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139965843] [2023-08-25 04:34:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:34:22,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:34:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:34:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:34:22,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:34:22,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139965843] [2023-08-25 04:34:22,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139965843] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:34:22,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:34:22,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 04:34:22,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794710212] [2023-08-25 04:34:22,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:34:22,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 04:34:22,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:34:22,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 04:34:22,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 04:34:22,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 621 [2023-08-25 04:34:22,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 100 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 301.0) internal successors, (602), 2 states have internal predecessors, (602), 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) [2023-08-25 04:34:22,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:34:22,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 621 [2023-08-25 04:34:22,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:34:24,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:24,745 INFO L124 PetriNetUnfolderBase]: 116/486 cut-off events. [2023-08-25 04:34:24,745 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-08-25 04:34:24,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 486 events. 116/486 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2278 event pairs, 95 based on Foata normal form. 30/439 useless extension candidates. Maximal degree in co-relation 692. Up to 239 conditions per place. [2023-08-25 04:34:24,749 INFO L140 encePairwiseOnDemand]: 600/621 looper letters, 34 selfloop transitions, 0 changer transitions 0/79 dead transitions. [2023-08-25 04:34:24,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 79 transitions, 234 flow [2023-08-25 04:34:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 04:34:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 04:34:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 655 transitions. [2023-08-25 04:34:24,763 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273752012882448 [2023-08-25 04:34:24,764 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 655 transitions. [2023-08-25 04:34:24,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 655 transitions. [2023-08-25 04:34:24,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:34:24,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 655 transitions. [2023-08-25 04:34:24,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 327.5) internal successors, (655), 2 states have internal predecessors, (655), 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) [2023-08-25 04:34:24,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 621.0) internal successors, (1863), 3 states have internal predecessors, (1863), 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) [2023-08-25 04:34:24,775 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 621.0) internal successors, (1863), 3 states have internal predecessors, (1863), 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) [2023-08-25 04:34:24,777 INFO L175 Difference]: Start difference. First operand has 86 places, 100 transitions, 208 flow. Second operand 2 states and 655 transitions. [2023-08-25 04:34:24,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 79 transitions, 234 flow [2023-08-25 04:34:24,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 79 transitions, 234 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:34:24,781 INFO L231 Difference]: Finished difference. Result has 77 places, 79 transitions, 166 flow [2023-08-25 04:34:24,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=621, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=77, PETRI_TRANSITIONS=79} [2023-08-25 04:34:24,788 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -9 predicate places. [2023-08-25 04:34:24,788 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 79 transitions, 166 flow [2023-08-25 04:34:24,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 301.0) internal successors, (602), 2 states have internal predecessors, (602), 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) [2023-08-25 04:34:24,789 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:34:24,789 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2023-08-25 04:34:24,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 04:34:24,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-25 04:34:24,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:34:24,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1002721624, now seen corresponding path program 1 times [2023-08-25 04:34:24,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:34:24,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726062922] [2023-08-25 04:34:24,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:34:24,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:34:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:34:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:34:24,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:34:24,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726062922] [2023-08-25 04:34:24,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726062922] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:34:24,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:34:24,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:34:24,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32463595] [2023-08-25 04:34:24,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:34:24,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:34:24,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:34:24,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:34:24,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:34:24,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 621 [2023-08-25 04:34:24,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 79 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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) [2023-08-25 04:34:24,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:34:24,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 621 [2023-08-25 04:34:24,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:34:26,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:27,063 INFO L124 PetriNetUnfolderBase]: 117/489 cut-off events. [2023-08-25 04:34:27,063 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-08-25 04:34:27,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 489 events. 117/489 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2282 event pairs, 95 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 735. Up to 239 conditions per place. [2023-08-25 04:34:27,065 INFO L140 encePairwiseOnDemand]: 618/621 looper letters, 35 selfloop transitions, 2 changer transitions 0/82 dead transitions. [2023-08-25 04:34:27,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 82 transitions, 246 flow [2023-08-25 04:34:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:34:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:34:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2023-08-25 04:34:27,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4857756307031669 [2023-08-25 04:34:27,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2023-08-25 04:34:27,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2023-08-25 04:34:27,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:34:27,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2023-08-25 04:34:27,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2023-08-25 04:34:27,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 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) [2023-08-25 04:34:27,072 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 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) [2023-08-25 04:34:27,072 INFO L175 Difference]: Start difference. First operand has 77 places, 79 transitions, 166 flow. Second operand 3 states and 905 transitions. [2023-08-25 04:34:27,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 82 transitions, 246 flow [2023-08-25 04:34:27,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 82 transitions, 246 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:34:27,074 INFO L231 Difference]: Finished difference. Result has 80 places, 80 transitions, 178 flow [2023-08-25 04:34:27,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=621, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=80, PETRI_TRANSITIONS=80} [2023-08-25 04:34:27,075 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -6 predicate places. [2023-08-25 04:34:27,075 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 80 transitions, 178 flow [2023-08-25 04:34:27,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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) [2023-08-25 04:34:27,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:34:27,075 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:34:27,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 04:34:27,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-25 04:34:27,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:34:27,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1273015884, now seen corresponding path program 1 times [2023-08-25 04:34:27,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:34:27,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465886288] [2023-08-25 04:34:27,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:34:27,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:34:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:34:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:34:27,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:34:27,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465886288] [2023-08-25 04:34:27,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465886288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:34:27,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:34:27,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:34:27,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615800203] [2023-08-25 04:34:27,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:34:27,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:34:27,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:34:27,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:34:27,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:34:27,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 621 [2023-08-25 04:34:27,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2023-08-25 04:34:27,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:34:27,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 621 [2023-08-25 04:34:27,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:34:28,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:29,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:29,941 INFO L124 PetriNetUnfolderBase]: 117/491 cut-off events. [2023-08-25 04:34:29,941 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-08-25 04:34:29,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 491 events. 117/491 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2280 event pairs, 95 based on Foata normal form. 2/418 useless extension candidates. Maximal degree in co-relation 744. Up to 242 conditions per place. [2023-08-25 04:34:29,943 INFO L140 encePairwiseOnDemand]: 618/621 looper letters, 34 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2023-08-25 04:34:29,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 252 flow [2023-08-25 04:34:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:34:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:34:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 912 transitions. [2023-08-25 04:34:29,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4895330112721417 [2023-08-25 04:34:29,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 912 transitions. [2023-08-25 04:34:29,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 912 transitions. [2023-08-25 04:34:29,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:34:29,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 912 transitions. [2023-08-25 04:34:29,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 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) [2023-08-25 04:34:29,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 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) [2023-08-25 04:34:29,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 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) [2023-08-25 04:34:29,950 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 178 flow. Second operand 3 states and 912 transitions. [2023-08-25 04:34:29,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 252 flow [2023-08-25 04:34:29,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 81 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:34:29,952 INFO L231 Difference]: Finished difference. Result has 82 places, 81 transitions, 190 flow [2023-08-25 04:34:29,952 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=621, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=82, PETRI_TRANSITIONS=81} [2023-08-25 04:34:29,953 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -4 predicate places. [2023-08-25 04:34:29,953 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 81 transitions, 190 flow [2023-08-25 04:34:29,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2023-08-25 04:34:29,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:34:29,953 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:34:29,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 04:34:29,955 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-25 04:34:29,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:34:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1761659001, now seen corresponding path program 1 times [2023-08-25 04:34:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:34:29,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238784604] [2023-08-25 04:34:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:34:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:34:30,012 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-08-25 04:34:30,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898838681] [2023-08-25 04:34:30,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:34:30,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:34:30,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:34:30,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 04:34:30,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 04:34:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:34:30,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 04:34:30,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:34:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:34:30,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:34:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:34:30,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:34:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238784604] [2023-08-25 04:34:30,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-08-25 04:34:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898838681] [2023-08-25 04:34:30,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898838681] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:34:30,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-08-25 04:34:30,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-08-25 04:34:30,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058418741] [2023-08-25 04:34:30,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-08-25 04:34:30,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 04:34:30,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:34:30,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 04:34:30,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 04:34:30,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 621 [2023-08-25 04:34:30,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 81 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 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) [2023-08-25 04:34:30,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:34:30,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 621 [2023-08-25 04:34:30,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:34:31,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:33,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:34,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] Received shutdown request... [2023-08-25 04:34:36,041 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 04:34:36,077 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 04:34:36,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-08-25 04:34:36,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 04:34:36,341 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 28 remaining) [2023-08-25 04:34:36,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-25 04:34:36,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:34:36,542 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). [2023-08-25 04:34:36,543 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2023-08-25 04:34:36,544 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr7ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (11 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONASSERT (10 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2023-08-25 04:34:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr7ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2023-08-25 04:34:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2023-08-25 04:34:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2023-08-25 04:34:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2023-08-25 04:34:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONASSERT (2 of 28 remaining) [2023-08-25 04:34:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2023-08-25 04:34:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2023-08-25 04:34:36,547 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-25 04:34:36,550 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 04:34:36,551 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 04:34:36,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:34:36 BasicIcfg [2023-08-25 04:34:36,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 04:34:36,553 INFO L158 Benchmark]: Toolchain (without parser) took 887284.86ms. Allocated memory was 356.5MB in the beginning and 492.8MB in the end (delta: 136.3MB). Free memory was 330.0MB in the beginning and 199.7MB in the end (delta: 130.3MB). Peak memory consumption was 268.6MB. Max. memory is 16.0GB. [2023-08-25 04:34:36,554 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 356.5MB. Free memory is still 334.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:34:36,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.01ms. Allocated memory is still 356.5MB. Free memory was 330.0MB in the beginning and 298.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-08-25 04:34:36,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.26ms. Allocated memory is still 356.5MB. Free memory was 297.6MB in the beginning and 294.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 04:34:36,555 INFO L158 Benchmark]: Boogie Preprocessor took 38.23ms. Allocated memory is still 356.5MB. Free memory was 294.3MB in the beginning and 290.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 04:34:36,555 INFO L158 Benchmark]: RCFGBuilder took 708.38ms. Allocated memory is still 356.5MB. Free memory was 290.1MB in the beginning and 255.6MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-08-25 04:34:36,555 INFO L158 Benchmark]: TraceAbstraction took 885906.12ms. Allocated memory was 356.5MB in the beginning and 492.8MB in the end (delta: 136.3MB). Free memory was 255.6MB in the beginning and 199.7MB in the end (delta: 55.9MB). Peak memory consumption was 193.1MB. Max. memory is 16.0GB. [2023-08-25 04:34:36,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 356.5MB. Free memory is still 334.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 549.01ms. Allocated memory is still 356.5MB. Free memory was 330.0MB in the beginning and 298.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 77.26ms. Allocated memory is still 356.5MB. Free memory was 297.6MB in the beginning and 294.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.23ms. Allocated memory is still 356.5MB. Free memory was 294.3MB in the beginning and 290.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 708.38ms. Allocated memory is still 356.5MB. Free memory was 290.1MB in the beginning and 255.6MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 885906.12ms. Allocated memory was 356.5MB in the beginning and 492.8MB in the end (delta: 136.3MB). Free memory was 255.6MB in the beginning and 199.7MB in the end (delta: 55.9MB). Peak memory consumption was 193.1MB. 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 871.6s, 300 PlacesBefore, 86 PlacesAfterwards, 322 TransitionsBefore, 100 TransitionsAfterwards, 8220 CoEnabledTransitionPairs, 9 FixpointIterations, 176 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 8 ChoiceCompositions, 299 TotalNumberOfCompositions, 30803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10374, independent: 9305, independent conditional: 0, independent unconditional: 9305, dependent: 1069, dependent conditional: 0, dependent unconditional: 1069, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3952, independent: 3867, independent conditional: 0, independent unconditional: 3867, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10374, independent: 5438, independent conditional: 0, independent unconditional: 5438, dependent: 984, dependent conditional: 0, dependent unconditional: 984, unknown: 3952, unknown conditional: 0, unknown unconditional: 3952] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 334, Positive conditional cache size: 0, Positive unconditional cache size: 334, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1062]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1031]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 292/621 universal loopers) in iteration 4,while PetriNetUnfolder was constructing finite prefix that currently has 20 conditions, 5 events (0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 418 locations, 28 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: 885.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 871.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 12.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1112 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/13 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