/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s /storage/repos/CAV22/benchmarks/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc /storage/repos/CAV22/benchmarks/AutomizerCInline.xml -i /storage/repos/CAV22/benchmarks/increased_bounds/pthread-wmm_mix031.oepc_bound2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-19404b3-m [2023-08-03 23:32:58,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-03 23:32:58,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/CAV22/benchmarks/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-03 23:32:58,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-03 23:32:58,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-08-03 23:32:58,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2023-08-03 23:32:58,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-03 23:32:58,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-03 23:32:58,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-03 23:32:58,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-03 23:32:58,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-03 23:32:58,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-03 23:32:58,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-03 23:32:58,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-03 23:32:58,251 INFO L153 SettingsManager]: * Use SBE=true [2023-08-03 23:32:58,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-03 23:32:58,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-03 23:32:58,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-03 23:32:58,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-03 23:32:58,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-03 23:32:58,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-03 23:32:58,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-03 23:32:58,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-03 23:32:58,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-03 23:32:58,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-03 23:32:58,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-03 23:32:58,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-03 23:32:58,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-03 23:32:58,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-03 23:32:58,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-03 23:32:58,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-03 23:32:58,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-03 23:32:58,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-03 23:32:58,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-03 23:32:58,257 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-03 23:32:58,257 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST [2023-08-03 23:32:58,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-03 23:32:58,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-03 23:32:58,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-03 23:32:58,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-03 23:32:58,482 INFO L274 PluginConnector]: CDTParser initialized [2023-08-03 23:32:58,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/CAV22/benchmarks/increased_bounds/pthread-wmm_mix031.oepc_bound2.i [2023-08-03 23:32:59,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-03 23:32:59,851 INFO L384 CDTParser]: Found 1 translation units. [2023-08-03 23:32:59,852 INFO L180 CDTParser]: Scanning /storage/repos/CAV22/benchmarks/increased_bounds/pthread-wmm_mix031.oepc_bound2.i [2023-08-03 23:32:59,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ddc3584/d126b6fffd83400aaa6d69722bc4a678/FLAG1428e3042 [2023-08-03 23:32:59,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ddc3584/d126b6fffd83400aaa6d69722bc4a678 [2023-08-03 23:32:59,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-03 23:32:59,909 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-03 23:32:59,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-03 23:32:59,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-03 23:32:59,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-03 23:32:59,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.08 11:32:59" (1/1) ... [2023-08-03 23:32:59,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a07ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:32:59, skipping insertion in model container [2023-08-03 23:32:59,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.08 11:32:59" (1/1) ... [2023-08-03 23:32:59,964 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-03 23:33:00,084 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/CAV22/benchmarks/increased_bounds/pthread-wmm_mix031.oepc_bound2.i[945,958] [2023-08-03 23:33:00,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-03 23:33:00,226 INFO L201 MainTranslator]: Completed pre-run [2023-08-03 23:33:00,238 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/CAV22/benchmarks/increased_bounds/pthread-wmm_mix031.oepc_bound2.i[945,958] [2023-08-03 23:33:00,262 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-03 23:33:00,264 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-03 23:33:00,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-03 23:33:00,351 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-03 23:33:00,351 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-03 23:33:00,357 INFO L206 MainTranslator]: Completed translation [2023-08-03 23:33:00,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00 WrapperNode [2023-08-03 23:33:00,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-03 23:33:00,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-03 23:33:00,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-03 23:33:00,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-03 23:33:00,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,403 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139 [2023-08-03 23:33:00,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-03 23:33:00,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-03 23:33:00,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-03 23:33:00,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-03 23:33:00,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-03 23:33:00,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-03 23:33:00,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-03 23:33:00,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-03 23:33:00,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (1/1) ... [2023-08-03 23:33:00,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-03 23:33:00,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 23:33:00,462 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) [2023-08-03 23:33:00,469 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 [2023-08-03 23:33:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-03 23:33:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-03 23:33:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-03 23:33:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-03 23:33:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-03 23:33:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-03 23:33:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-03 23:33:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-03 23:33:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-03 23:33:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-03 23:33:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-03 23:33:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-03 23:33:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-03 23:33:00,498 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-03 23:33:00,613 INFO L236 CfgBuilder]: Building ICFG [2023-08-03 23:33:00,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-03 23:33:00,930 INFO L277 CfgBuilder]: Performing block encoding [2023-08-03 23:33:01,053 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-03 23:33:01,053 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-03 23:33:01,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.08 11:33:01 BoogieIcfgContainer [2023-08-03 23:33:01,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-03 23:33:01,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-03 23:33:01,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-03 23:33:01,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-03 23:33:01,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.08 11:32:59" (1/3) ... [2023-08-03 23:33:01,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346fdc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.08 11:33:01, skipping insertion in model container [2023-08-03 23:33:01,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 11:33:00" (2/3) ... [2023-08-03 23:33:01,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346fdc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.08 11:33:01, skipping insertion in model container [2023-08-03 23:33:01,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.08 11:33:01" (3/3) ... [2023-08-03 23:33:01,068 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-wmm_mix031.oepc_bound2.i [2023-08-03 23:33:01,074 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-03 23:33:01,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-03 23:33:01,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-03 23:33:01,081 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-03 23:33:01,134 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-03 23:33:01,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 110 transitions, 230 flow [2023-08-03 23:33:01,234 INFO L124 PetriNetUnfolderBase]: 14/227 cut-off events. [2023-08-03 23:33:01,234 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 23:33:01,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 227 events. 14/227 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 632 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 136. Up to 8 conditions per place. [2023-08-03 23:33:01,240 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 110 transitions, 230 flow [2023-08-03 23:33:01,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 176 flow [2023-08-03 23:33:01,246 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-03 23:33:01,262 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 176 flow [2023-08-03 23:33:01,266 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 176 flow [2023-08-03 23:33:01,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 176 flow [2023-08-03 23:33:01,296 INFO L124 PetriNetUnfolderBase]: 2/119 cut-off events. [2023-08-03 23:33:01,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 23:33:01,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 119 events. 2/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 174 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 82. Up to 4 conditions per place. [2023-08-03 23:33:01,298 INFO L119 LiptonReduction]: Number of co-enabled transitions 860 [2023-08-03 23:33:04,255 INFO L134 LiptonReduction]: Checked pairs total: 1652 [2023-08-03 23:33:04,255 INFO L136 LiptonReduction]: Total number of compositions: 70 [2023-08-03 23:33:04,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-03 23:33:04,271 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=true, 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;@66b53b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-03 23:33:04,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-03 23:33:04,277 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-03 23:33:04,277 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2023-08-03 23:33:04,277 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 23:33:04,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:04,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-03 23:33:04,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 23:33:04,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:04,282 INFO L85 PathProgramCache]: Analyzing trace with hash 441567183, now seen corresponding path program 1 times [2023-08-03 23:33:04,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:04,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677630821] [2023-08-03 23:33:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:04,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-03 23:33:04,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:04,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677630821] [2023-08-03 23:33:04,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677630821] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 23:33:04,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 23:33:04,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-03 23:33:04,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791188823] [2023-08-03 23:33:04,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 23:33:04,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 23:33:04,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:04,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 23:33:04,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 23:33:04,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 180 [2023-08-03 23:33:04,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2023-08-03 23:33:04,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:04,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 180 [2023-08-03 23:33:04,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:04,651 INFO L124 PetriNetUnfolderBase]: 89/187 cut-off events. [2023-08-03 23:33:04,652 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 23:33:04,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 187 events. 89/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 661 event pairs, 24 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 368. Up to 168 conditions per place. [2023-08-03 23:33:04,654 INFO L140 encePairwiseOnDemand]: 177/180 looper letters, 20 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2023-08-03 23:33:04,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 24 transitions, 102 flow [2023-08-03 23:33:04,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 23:33:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 23:33:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2023-08-03 23:33:04,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5592592592592592 [2023-08-03 23:33:04,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 302 transitions. [2023-08-03 23:33:04,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 302 transitions. [2023-08-03 23:33:04,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:04,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 302 transitions. [2023-08-03 23:33:04,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2023-08-03 23:33:04,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 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) [2023-08-03 23:33:04,678 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 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) [2023-08-03 23:33:04,680 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 46 flow. Second operand 3 states and 302 transitions. [2023-08-03 23:33:04,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 24 transitions, 102 flow [2023-08-03 23:33:04,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 24 transitions, 102 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-03 23:33:04,684 INFO L231 Difference]: Finished difference. Result has 26 places, 18 transitions, 54 flow [2023-08-03 23:33:04,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2023-08-03 23:33:04,688 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 3 predicate places. [2023-08-03 23:33:04,688 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 54 flow [2023-08-03 23:33:04,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2023-08-03 23:33:04,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:04,689 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-03 23:33:04,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-03 23:33:04,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 23:33:04,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:04,690 INFO L85 PathProgramCache]: Analyzing trace with hash 788843832, now seen corresponding path program 1 times [2023-08-03 23:33:04,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:04,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437798709] [2023-08-03 23:33:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:04,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 23:33:04,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-03 23:33:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 23:33:04,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-03 23:33:04,740 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-03 23:33:04,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-08-03 23:33:04,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-03 23:33:04,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-03 23:33:04,743 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-03 23:33:04,745 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE,UNKNOWN (1/2) [2023-08-03 23:33:04,746 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-03 23:33:04,746 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-03 23:33:04,772 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-03 23:33:04,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:04,846 INFO L124 PetriNetUnfolderBase]: 30/467 cut-off events. [2023-08-03 23:33:04,846 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-03 23:33:04,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 467 events. 30/467 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1990 event pairs, 0 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 339. Up to 18 conditions per place. [2023-08-03 23:33:04,850 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:04,851 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 232 flow [2023-08-03 23:33:04,852 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-03 23:33:04,852 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 232 flow [2023-08-03 23:33:04,852 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 232 flow [2023-08-03 23:33:04,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 232 flow [2023-08-03 23:33:04,882 INFO L124 PetriNetUnfolderBase]: 3/224 cut-off events. [2023-08-03 23:33:04,882 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-03 23:33:04,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 224 events. 3/224 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 577 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 177. Up to 9 conditions per place. [2023-08-03 23:33:04,889 INFO L119 LiptonReduction]: Number of co-enabled transitions 2520 [2023-08-03 23:33:07,436 INFO L134 LiptonReduction]: Checked pairs total: 10480 [2023-08-03 23:33:07,436 INFO L136 LiptonReduction]: Total number of compositions: 71 [2023-08-03 23:33:07,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-03 23:33:07,439 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=true, 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;@66b53b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-03 23:33:07,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-03 23:33:07,444 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-03 23:33:07,445 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2023-08-03 23:33:07,445 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-03 23:33:07,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:07,445 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2023-08-03 23:33:07,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 23:33:07,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:07,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1630704340, now seen corresponding path program 1 times [2023-08-03 23:33:07,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:07,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399328282] [2023-08-03 23:33:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-03 23:33:07,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:07,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399328282] [2023-08-03 23:33:07,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399328282] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 23:33:07,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 23:33:07,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-03 23:33:07,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095299429] [2023-08-03 23:33:07,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 23:33:07,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 23:33:07,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:07,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 23:33:07,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 23:33:07,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 202 [2023-08-03 23:33:07,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-08-03 23:33:07,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:07,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 202 [2023-08-03 23:33:07,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:08,532 INFO L124 PetriNetUnfolderBase]: 4712/7226 cut-off events. [2023-08-03 23:33:08,532 INFO L125 PetriNetUnfolderBase]: For 527/527 co-relation queries the response was YES. [2023-08-03 23:33:08,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14521 conditions, 7226 events. 4712/7226 cut-off events. For 527/527 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 46453 event pairs, 3944 based on Foata normal form. 0/6324 useless extension candidates. Maximal degree in co-relation 4554. Up to 6628 conditions per place. [2023-08-03 23:33:08,583 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 29 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2023-08-03 23:33:08,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 176 flow [2023-08-03 23:33:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 23:33:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 23:33:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2023-08-03 23:33:08,590 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5825082508250825 [2023-08-03 23:33:08,590 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2023-08-03 23:33:08,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2023-08-03 23:33:08,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:08,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2023-08-03 23:33:08,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2023-08-03 23:33:08,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 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) [2023-08-03 23:33:08,594 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 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) [2023-08-03 23:33:08,594 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 102 flow. Second operand 3 states and 353 transitions. [2023-08-03 23:33:08,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 176 flow [2023-08-03 23:33:08,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 172 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-08-03 23:33:08,597 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 110 flow [2023-08-03 23:33:08,598 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2023-08-03 23:33:08,598 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2023-08-03 23:33:08,599 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 110 flow [2023-08-03 23:33:08,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-08-03 23:33:08,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:08,599 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-03 23:33:08,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-03 23:33:08,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 23:33:08,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash -400909680, now seen corresponding path program 1 times [2023-08-03 23:33:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:08,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106504892] [2023-08-03 23:33:08,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 23:33:08,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:08,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106504892] [2023-08-03 23:33:08,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106504892] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-03 23:33:08,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600070595] [2023-08-03 23:33:08,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 23:33:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 23:33:08,788 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) [2023-08-03 23:33:08,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-03 23:33:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:08,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-03 23:33:08,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-03 23:33:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 23:33:08,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-03 23:33:08,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600070595] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 23:33:08,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-03 23:33:08,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2023-08-03 23:33:08,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072817956] [2023-08-03 23:33:08,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 23:33:08,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-03 23:33:08,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:08,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-03 23:33:08,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-08-03 23:33:08,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 202 [2023-08-03 23:33:08,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 107.6) internal successors, (538), 5 states have internal predecessors, (538), 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) [2023-08-03 23:33:08,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:08,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 202 [2023-08-03 23:33:08,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:09,831 INFO L124 PetriNetUnfolderBase]: 4672/7279 cut-off events. [2023-08-03 23:33:09,832 INFO L125 PetriNetUnfolderBase]: For 429/429 co-relation queries the response was YES. [2023-08-03 23:33:09,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14539 conditions, 7279 events. 4672/7279 cut-off events. For 429/429 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 48123 event pairs, 1932 based on Foata normal form. 25/6511 useless extension candidates. Maximal degree in co-relation 8393. Up to 6499 conditions per place. [2023-08-03 23:33:09,889 INFO L140 encePairwiseOnDemand]: 198/202 looper letters, 36 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2023-08-03 23:33:09,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 53 transitions, 216 flow [2023-08-03 23:33:09,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-03 23:33:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-03 23:33:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 571 transitions. [2023-08-03 23:33:09,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5653465346534653 [2023-08-03 23:33:09,892 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 571 transitions. [2023-08-03 23:33:09,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 571 transitions. [2023-08-03 23:33:09,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:09,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 571 transitions. [2023-08-03 23:33:09,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 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) [2023-08-03 23:33:09,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 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) [2023-08-03 23:33:09,897 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 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) [2023-08-03 23:33:09,898 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 110 flow. Second operand 5 states and 571 transitions. [2023-08-03 23:33:09,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 53 transitions, 216 flow [2023-08-03 23:33:09,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 53 transitions, 213 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-03 23:33:09,901 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 124 flow [2023-08-03 23:33:09,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2023-08-03 23:33:09,903 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2023-08-03 23:33:09,903 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 124 flow [2023-08-03 23:33:09,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.6) internal successors, (538), 5 states have internal predecessors, (538), 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) [2023-08-03 23:33:09,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:09,904 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 23:33:09,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-03 23:33:10,117 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 [2023-08-03 23:33:10,117 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 23:33:10,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:10,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1973410055, now seen corresponding path program 1 times [2023-08-03 23:33:10,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:10,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159488320] [2023-08-03 23:33:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:10,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-03 23:33:10,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:10,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159488320] [2023-08-03 23:33:10,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159488320] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-03 23:33:10,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100199889] [2023-08-03 23:33:10,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:10,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 23:33:10,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 23:33:10,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-03 23:33:10,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-03 23:33:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:10,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-03 23:33:10,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-03 23:33:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-03 23:33:10,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-03 23:33:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-03 23:33:10,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100199889] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-03 23:33:10,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-03 23:33:10,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2023-08-03 23:33:10,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530492671] [2023-08-03 23:33:10,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-03 23:33:10,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-03 23:33:10,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-03 23:33:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-03 23:33:10,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 202 [2023-08-03 23:33:10,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 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) [2023-08-03 23:33:10,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:10,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 202 [2023-08-03 23:33:10,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:11,090 INFO L124 PetriNetUnfolderBase]: 4108/6244 cut-off events. [2023-08-03 23:33:11,091 INFO L125 PetriNetUnfolderBase]: For 550/550 co-relation queries the response was YES. [2023-08-03 23:33:11,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12598 conditions, 6244 events. 4108/6244 cut-off events. For 550/550 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 38919 event pairs, 2210 based on Foata normal form. 5/5528 useless extension candidates. Maximal degree in co-relation 3254. Up to 5631 conditions per place. [2023-08-03 23:33:11,131 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 36 selfloop transitions, 3 changer transitions 0/52 dead transitions. [2023-08-03 23:33:11,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 52 transitions, 222 flow [2023-08-03 23:33:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-03 23:33:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-03 23:33:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions. [2023-08-03 23:33:11,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5742574257425742 [2023-08-03 23:33:11,133 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 464 transitions. [2023-08-03 23:33:11,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 464 transitions. [2023-08-03 23:33:11,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:11,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 464 transitions. [2023-08-03 23:33:11,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-08-03 23:33:11,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 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) [2023-08-03 23:33:11,137 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 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) [2023-08-03 23:33:11,137 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 124 flow. Second operand 4 states and 464 transitions. [2023-08-03 23:33:11,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 52 transitions, 222 flow [2023-08-03 23:33:11,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 52 transitions, 217 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-03 23:33:11,141 INFO L231 Difference]: Finished difference. Result has 55 places, 39 transitions, 117 flow [2023-08-03 23:33:11,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=117, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2023-08-03 23:33:11,143 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2023-08-03 23:33:11,143 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 117 flow [2023-08-03 23:33:11,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 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) [2023-08-03 23:33:11,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:11,144 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 23:33:11,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-03 23:33:11,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 23:33:11,349 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 23:33:11,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:11,350 INFO L85 PathProgramCache]: Analyzing trace with hash 740025607, now seen corresponding path program 1 times [2023-08-03 23:33:11,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:11,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020604986] [2023-08-03 23:33:11,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-03 23:33:11,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020604986] [2023-08-03 23:33:11,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020604986] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 23:33:11,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 23:33:11,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-03 23:33:11,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924147927] [2023-08-03 23:33:11,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 23:33:11,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-03 23:33:11,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:11,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-03 23:33:11,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-03 23:33:11,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 202 [2023-08-03 23:33:11,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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) [2023-08-03 23:33:11,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:11,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 202 [2023-08-03 23:33:11,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:11,928 INFO L124 PetriNetUnfolderBase]: 2108/3563 cut-off events. [2023-08-03 23:33:11,928 INFO L125 PetriNetUnfolderBase]: For 376/376 co-relation queries the response was YES. [2023-08-03 23:33:11,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7237 conditions, 3563 events. 2108/3563 cut-off events. For 376/376 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 22294 event pairs, 68 based on Foata normal form. 625/3792 useless extension candidates. Maximal degree in co-relation 2615. Up to 2550 conditions per place. [2023-08-03 23:33:11,939 INFO L140 encePairwiseOnDemand]: 200/202 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2023-08-03 23:33:11,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 58 transitions, 245 flow [2023-08-03 23:33:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-03 23:33:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-03 23:33:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 474 transitions. [2023-08-03 23:33:11,941 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5866336633663366 [2023-08-03 23:33:11,941 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 474 transitions. [2023-08-03 23:33:11,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 474 transitions. [2023-08-03 23:33:11,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:11,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 474 transitions. [2023-08-03 23:33:11,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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) [2023-08-03 23:33:11,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 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) [2023-08-03 23:33:11,946 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 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) [2023-08-03 23:33:11,946 INFO L175 Difference]: Start difference. First operand has 55 places, 39 transitions, 117 flow. Second operand 4 states and 474 transitions. [2023-08-03 23:33:11,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 58 transitions, 245 flow [2023-08-03 23:33:11,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 58 transitions, 238 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-03 23:33:11,955 INFO L231 Difference]: Finished difference. Result has 53 places, 0 transitions, 0 flow [2023-08-03 23:33:11,955 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=53, PETRI_TRANSITIONS=0} [2023-08-03 23:33:11,956 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2023-08-03 23:33:11,956 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 0 transitions, 0 flow [2023-08-03 23:33:11,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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) [2023-08-03 23:33:11,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-08-03 23:33:11,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-03 23:33:11,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-03 23:33:11,957 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-03 23:33:11,958 INFO L307 ceAbstractionStarter]: Result for error location InUseError was SAFE,SAFE (1/2) [2023-08-03 23:33:11,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:12,006 INFO L124 PetriNetUnfolderBase]: 30/467 cut-off events. [2023-08-03 23:33:12,007 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-03 23:33:12,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 467 events. 30/467 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1990 event pairs, 0 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 339. Up to 18 conditions per place. [2023-08-03 23:33:12,008 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:12,010 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:12,010 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-03 23:33:12,010 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:12,010 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:12,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 131 transitions, 286 flow [2023-08-03 23:33:12,053 INFO L124 PetriNetUnfolderBase]: 30/467 cut-off events. [2023-08-03 23:33:12,053 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-03 23:33:12,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 467 events. 30/467 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1990 event pairs, 0 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 339. Up to 18 conditions per place. [2023-08-03 23:33:12,060 INFO L119 LiptonReduction]: Number of co-enabled transitions 4572 [2023-08-03 23:33:15,104 INFO L134 LiptonReduction]: Checked pairs total: 18676 [2023-08-03 23:33:15,104 INFO L136 LiptonReduction]: Total number of compositions: 100 [2023-08-03 23:33:15,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-03 23:33:15,106 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=true, 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;@66b53b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-03 23:33:15,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-03 23:33:15,108 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-03 23:33:15,108 INFO L124 PetriNetUnfolderBase]: 1/11 cut-off events. [2023-08-03 23:33:15,109 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 23:33:15,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:15,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-03 23:33:15,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-08-03 23:33:15,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:15,109 INFO L85 PathProgramCache]: Analyzing trace with hash 24160946, now seen corresponding path program 1 times [2023-08-03 23:33:15,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:15,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679271451] [2023-08-03 23:33:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:15,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 23:33:15,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:15,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679271451] [2023-08-03 23:33:15,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679271451] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 23:33:15,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 23:33:15,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-03 23:33:15,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996304320] [2023-08-03 23:33:15,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 23:33:15,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 23:33:15,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:15,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 23:33:15,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 23:33:15,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 231 [2023-08-03 23:33:15,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 47 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-08-03 23:33:15,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:15,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 231 [2023-08-03 23:33:15,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:18,111 INFO L124 PetriNetUnfolderBase]: 20420/32434 cut-off events. [2023-08-03 23:33:18,112 INFO L125 PetriNetUnfolderBase]: For 443/443 co-relation queries the response was YES. [2023-08-03 23:33:18,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60939 conditions, 32434 events. 20420/32434 cut-off events. For 443/443 co-relation queries the response was YES. Maximal size of possible extension queue 1296. Compared 255447 event pairs, 3947 based on Foata normal form. 837/27696 useless extension candidates. Maximal degree in co-relation 51616. Up to 26049 conditions per place. [2023-08-03 23:33:18,268 INFO L140 encePairwiseOnDemand]: 225/231 looper letters, 53 selfloop transitions, 3 changer transitions 0/70 dead transitions. [2023-08-03 23:33:18,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 70 transitions, 289 flow [2023-08-03 23:33:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 23:33:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 23:33:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2023-08-03 23:33:18,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5627705627705628 [2023-08-03 23:33:18,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2023-08-03 23:33:18,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2023-08-03 23:33:18,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:18,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2023-08-03 23:33:18,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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) [2023-08-03 23:33:18,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 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) [2023-08-03 23:33:18,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 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) [2023-08-03 23:33:18,274 INFO L175 Difference]: Start difference. First operand has 55 places, 47 transitions, 118 flow. Second operand 3 states and 390 transitions. [2023-08-03 23:33:18,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 70 transitions, 289 flow [2023-08-03 23:33:18,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 70 transitions, 285 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-08-03 23:33:18,277 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 133 flow [2023-08-03 23:33:18,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2023-08-03 23:33:18,278 INFO L281 CegarLoopForPetriNet]: 55 programPoint places, 3 predicate places. [2023-08-03 23:33:18,278 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 133 flow [2023-08-03 23:33:18,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-08-03 23:33:18,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:18,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-03 23:33:18,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-03 23:33:18,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-08-03 23:33:18,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:18,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1754158262, now seen corresponding path program 1 times [2023-08-03 23:33:18,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:18,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771200593] [2023-08-03 23:33:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:18,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 23:33:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 23:33:18,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 23:33:18,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771200593] [2023-08-03 23:33:18,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771200593] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 23:33:18,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 23:33:18,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-03 23:33:18,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155837772] [2023-08-03 23:33:18,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 23:33:18,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 23:33:18,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 23:33:18,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 23:33:18,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 23:33:18,327 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 231 [2023-08-03 23:33:18,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2023-08-03 23:33:18,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 23:33:18,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 231 [2023-08-03 23:33:18,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 23:33:20,949 INFO L124 PetriNetUnfolderBase]: 20048/29307 cut-off events. [2023-08-03 23:33:20,949 INFO L125 PetriNetUnfolderBase]: For 2909/2909 co-relation queries the response was YES. [2023-08-03 23:33:20,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62253 conditions, 29307 events. 20048/29307 cut-off events. For 2909/2909 co-relation queries the response was YES. Maximal size of possible extension queue 1362. Compared 204946 event pairs, 15274 based on Foata normal form. 0/24514 useless extension candidates. Maximal degree in co-relation 40399. Up to 27351 conditions per place. [2023-08-03 23:33:21,087 INFO L140 encePairwiseOnDemand]: 228/231 looper letters, 37 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2023-08-03 23:33:21,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 53 transitions, 224 flow [2023-08-03 23:33:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 23:33:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 23:33:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2023-08-03 23:33:21,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5180375180375181 [2023-08-03 23:33:21,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2023-08-03 23:33:21,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2023-08-03 23:33:21,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 23:33:21,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2023-08-03 23:33:21,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2023-08-03 23:33:21,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 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) [2023-08-03 23:33:21,092 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 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) [2023-08-03 23:33:21,093 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 133 flow. Second operand 3 states and 359 transitions. [2023-08-03 23:33:21,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 53 transitions, 224 flow [2023-08-03 23:33:21,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 53 transitions, 220 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-03 23:33:21,095 INFO L231 Difference]: Finished difference. Result has 60 places, 49 transitions, 142 flow [2023-08-03 23:33:21,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2023-08-03 23:33:21,096 INFO L281 CegarLoopForPetriNet]: 55 programPoint places, 5 predicate places. [2023-08-03 23:33:21,097 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 142 flow [2023-08-03 23:33:21,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2023-08-03 23:33:21,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 23:33:21,097 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 23:33:21,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-03 23:33:21,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-08-03 23:33:21,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 23:33:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1720299591, now seen corresponding path program 1 times [2023-08-03 23:33:21,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 23:33:21,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177114747] [2023-08-03 23:33:21,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 23:33:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 23:33:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 23:33:21,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-03 23:33:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 23:33:21,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-03 23:33:21,140 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-03 23:33:21,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-08-03 23:33:21,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-08-03 23:33:21,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-08-03 23:33:21,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-08-03 23:33:21,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-03 23:33:21,140 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-03 23:33:21,141 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2023-08-03 23:33:21,144 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-08-03 23:33:21,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-03 23:33:21,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.08 11:33:21 BasicIcfg [2023-08-03 23:33:21,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-03 23:33:21,213 INFO L158 Benchmark]: Toolchain (without parser) took 21304.13ms. Allocated memory was 346.0MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 296.2MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 449.4MB. Max. memory is 16.0GB. [2023-08-03 23:33:21,213 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 346.0MB. Free memory is still 298.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-03 23:33:21,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.67ms. Allocated memory is still 346.0MB. Free memory was 296.2MB in the beginning and 273.2MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-08-03 23:33:21,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.38ms. Allocated memory is still 346.0MB. Free memory was 273.2MB in the beginning and 270.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-03 23:33:21,214 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 346.0MB. Free memory was 270.7MB in the beginning and 268.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-03 23:33:21,214 INFO L158 Benchmark]: RCFGBuilder took 626.47ms. Allocated memory was 346.0MB in the beginning and 488.6MB in the end (delta: 142.6MB). Free memory was 268.7MB in the beginning and 436.0MB in the end (delta: -167.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.0GB. [2023-08-03 23:33:21,214 INFO L158 Benchmark]: TraceAbstraction took 20151.78ms. Allocated memory was 488.6MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 436.0MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 445.1MB. Max. memory is 16.0GB. [2023-08-03 23:33:21,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 346.0MB. Free memory is still 298.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 446.67ms. Allocated memory is still 346.0MB. Free memory was 296.2MB in the beginning and 273.2MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 45.38ms. Allocated memory is still 346.0MB. Free memory was 273.2MB in the beginning and 270.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 346.0MB. Free memory was 270.7MB in the beginning and 268.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 626.47ms. Allocated memory was 346.0MB in the beginning and 488.6MB in the end (delta: 142.6MB). Free memory was 268.7MB in the beginning and 436.0MB in the end (delta: -167.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.0GB. * TraceAbstraction took 20151.78ms. Allocated memory was 488.6MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 436.0MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 445.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 87 PlacesBefore, 23 PlacesAfterwards, 83 TransitionsBefore, 18 TransitionsAfterwards, 860 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 70 TotalNumberOfCompositions, 1652 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1133, independent: 1054, independent conditional: 0, independent unconditional: 1054, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 481, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1133, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 481, unknown conditional: 0, unknown unconditional: 481] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 112 PlacesBefore, 48 PlacesAfterwards, 104 TransitionsBefore, 39 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 71 TotalNumberOfCompositions, 10480 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4372, independent: 4095, independent conditional: 0, independent unconditional: 4095, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1256, independent: 1225, independent conditional: 0, independent unconditional: 1225, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4372, independent: 2870, independent conditional: 0, independent unconditional: 2870, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 1256, unknown conditional: 0, unknown unconditional: 1256] , Statistics on independence cache: Total cache size (in pairs): 307, Positive cache size: 286, Positive conditional cache size: 0, Positive unconditional cache size: 286, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 136 PlacesBefore, 55 PlacesAfterwards, 131 TransitionsBefore, 47 TransitionsAfterwards, 4572 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 3 ChoiceCompositions, 100 TotalNumberOfCompositions, 18676 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6607, independent: 6243, independent conditional: 0, independent unconditional: 6243, dependent: 364, dependent conditional: 0, dependent unconditional: 364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2268, independent: 2232, independent conditional: 0, independent unconditional: 2232, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6607, independent: 4011, independent conditional: 0, independent unconditional: 4011, dependent: 328, dependent conditional: 0, dependent unconditional: 328, unknown: 2268, unknown conditional: 0, unknown unconditional: 2268] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 274, Positive conditional cache size: 0, Positive unconditional cache size: 274, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p0_EAX = 0; [L712] 0 int __unbuffered_p0_EBX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p1_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff1_thd0; [L725] 0 _Bool a$r_buff1_thd1; [L726] 0 _Bool a$r_buff1_thd2; [L727] 0 _Bool a$read_delayed; [L728] 0 int *a$read_delayed_var; [L729] 0 int a$w_buff0; [L730] 0 _Bool a$w_buff0_used; [L731] 0 int a$w_buff1; [L732] 0 _Bool a$w_buff1_used; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L827] 0 pthread_t t833[2]; [L828] 0 int asdf=0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, asdf=0, main$tmp_guard0=0, main$tmp_guard1=0, t833={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L828] COND TRUE 0 asdf<2 [L828] FCALL, FORK 0 pthread_create(&t833[asdf], ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, asdf=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t833[asdf], ((void *)0), P0, ((void *)0))=-2, t833={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L746] 1 a$w_buff1 = a$w_buff0 [L747] 1 a$w_buff0 = 1 [L748] 1 a$w_buff1_used = a$w_buff0_used [L749] 1 a$w_buff0_used = (_Bool)1 [L750] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L750] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L751] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L752] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L753] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L754] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L828] 0 asdf++ VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, asdf=1, main$tmp_guard0=0, main$tmp_guard1=0, t833={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L828] COND TRUE 0 asdf<2 [L828] FCALL, FORK 0 pthread_create(&t833[asdf], ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, asdf=1, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t833[asdf], ((void *)0), P0, ((void *)0))=-1, t833={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L746] 2 a$w_buff1 = a$w_buff0 [L747] 2 a$w_buff0 = 1 [L748] 2 a$w_buff1_used = a$w_buff0_used [L749] 2 a$w_buff0_used = (_Bool)1 [L750] CALL 2 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND TRUE 2 !expression [L18] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=1, a$w_buff1_used=1, a=0, expression=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 5 procedures, 128 locations, 5 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: 3.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=1, InterpolantAutomatonStates: 3, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1/1 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 7 procedures, 149 locations, 6 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: 7.2s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 342 IncrementalHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8 mSDtfsCounter, 342 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=2, InterpolantAutomatonStates: 16, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 42/50 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 149 locations, 6 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: 9.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 2 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=2, InterpolantAutomatonStates: 6, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-03 23:33:21,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...