/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:39:05,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:39:05,127 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:39:05,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:39:05,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:39:05,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:39:05,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:39:05,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:39:05,147 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:39:05,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:39:05,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:39:05,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 01:39:05,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:39:05,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:39:05,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:39:05,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:39:05,467 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:39:05,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i [2025-03-15 01:39:06,705 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f4ed71b/0c224c80df7a4dd68aa9ad7b472ef672/FLAG3707bf636 [2025-03-15 01:39:06,933 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:39:06,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i [2025-03-15 01:39:06,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f4ed71b/0c224c80df7a4dd68aa9ad7b472ef672/FLAG3707bf636 [2025-03-15 01:39:06,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f4ed71b/0c224c80df7a4dd68aa9ad7b472ef672 [2025-03-15 01:39:06,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:39:06,956 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:39:06,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:39:06,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:39:06,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:39:06,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:39:06" (1/1) ... [2025-03-15 01:39:06,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce650e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:06, skipping insertion in model container [2025-03-15 01:39:06,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:39:06" (1/1) ... [2025-03-15 01:39:06,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:39:07,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:39:07,206 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:39:07,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:39:07,289 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:39:07,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07 WrapperNode [2025-03-15 01:39:07,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:39:07,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:39:07,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:39:07,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:39:07,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,358 INFO L138 Inliner]: procedures = 175, calls = 58, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 175 [2025-03-15 01:39:07,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:39:07,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:39:07,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:39:07,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:39:07,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:39:07,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:39:07,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:39:07,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:39:07,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (1/1) ... [2025-03-15 01:39:07,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:39:07,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:39:07,432 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) [2025-03-15 01:39:07,434 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 [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:39:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:39:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:39:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:39:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:39:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:39:07,461 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:39:07,588 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:39:07,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:39:07,926 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:39:07,926 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:39:08,263 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:39:08,263 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:39:08,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:39:08 BoogieIcfgContainer [2025-03-15 01:39:08,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:39:08,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:39:08,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:39:08,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:39:08,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:39:06" (1/3) ... [2025-03-15 01:39:08,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e5715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:39:08, skipping insertion in model container [2025-03-15 01:39:08,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:07" (2/3) ... [2025-03-15 01:39:08,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e5715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:39:08, skipping insertion in model container [2025-03-15 01:39:08,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:39:08" (3/3) ... [2025-03-15 01:39:08,275 INFO L128 eAbstractionObserver]: Analyzing ICFG safe014_power.opt.i [2025-03-15 01:39:08,287 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:39:08,289 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG safe014_power.opt.i that has 4 procedures, 130 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:39:08,290 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:39:08,364 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:39:08,399 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:39:08,413 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@7902b675, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:39:08,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:39:08,475 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:39:08,476 INFO L124 PetriNetUnfolderBase]: 0/67 cut-off events. [2025-03-15 01:39:08,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:39:08,479 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:08,479 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:39:08,480 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:08,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:08,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1473400262, now seen corresponding path program 1 times [2025-03-15 01:39:08,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:08,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200947578] [2025-03-15 01:39:08,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:08,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:39:08,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:08,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200947578] [2025-03-15 01:39:08,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200947578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:08,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:08,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:39:08,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646979927] [2025-03-15 01:39:08,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:08,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:39:08,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:08,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:39:08,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:39:08,935 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 132 [2025-03-15 01:39:08,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2025-03-15 01:39:08,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:08,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 132 [2025-03-15 01:39:08,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:09,314 INFO L124 PetriNetUnfolderBase]: 444/1082 cut-off events. [2025-03-15 01:39:09,315 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-15 01:39:09,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 1082 events. 444/1082 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7192 event pairs, 101 based on Foata normal form. 165/1005 useless extension candidates. Maximal degree in co-relation 1770. Up to 669 conditions per place. [2025-03-15 01:39:09,343 INFO L140 encePairwiseOnDemand]: 119/132 looper letters, 26 selfloop transitions, 4 changer transitions 0/135 dead transitions. [2025-03-15 01:39:09,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 135 transitions, 345 flow [2025-03-15 01:39:09,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:39:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:39:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2025-03-15 01:39:09,353 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9318181818181818 [2025-03-15 01:39:09,355 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2025-03-15 01:39:09,356 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 135 transitions, 345 flow [2025-03-15 01:39:09,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2025-03-15 01:39:09,356 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:09,356 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:39:09,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:39:09,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:09,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:09,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2145488346, now seen corresponding path program 1 times [2025-03-15 01:39:09,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:09,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522911200] [2025-03-15 01:39:09,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:09,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:39:09,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:09,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522911200] [2025-03-15 01:39:09,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522911200] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:09,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:09,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:39:09,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219697163] [2025-03-15 01:39:09,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:09,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:39:09,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:09,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:39:09,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:39:09,588 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 132 [2025-03-15 01:39:09,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 135 transitions, 345 flow. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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) [2025-03-15 01:39:09,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:09,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 132 [2025-03-15 01:39:09,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:09,861 INFO L124 PetriNetUnfolderBase]: 286/1248 cut-off events. [2025-03-15 01:39:09,861 INFO L125 PetriNetUnfolderBase]: For 80/206 co-relation queries the response was YES. [2025-03-15 01:39:09,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2210 conditions, 1248 events. 286/1248 cut-off events. For 80/206 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 9414 event pairs, 139 based on Foata normal form. 10/1095 useless extension candidates. Maximal degree in co-relation 2140. Up to 413 conditions per place. [2025-03-15 01:39:09,875 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 23 selfloop transitions, 4 changer transitions 0/132 dead transitions. [2025-03-15 01:39:09,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 132 transitions, 387 flow [2025-03-15 01:39:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:39:09,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:39:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 466 transitions. [2025-03-15 01:39:09,880 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8825757575757576 [2025-03-15 01:39:09,881 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2025-03-15 01:39:09,881 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 132 transitions, 387 flow [2025-03-15 01:39:09,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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) [2025-03-15 01:39:09,882 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:09,882 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:39:09,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:39:09,883 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:09,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:09,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1502000973, now seen corresponding path program 1 times [2025-03-15 01:39:09,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:09,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093557760] [2025-03-15 01:39:09,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:09,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:39:10,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:10,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093557760] [2025-03-15 01:39:10,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093557760] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:10,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:10,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:39:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783359678] [2025-03-15 01:39:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:10,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:39:10,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:10,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:39:10,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:39:10,103 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 132 [2025-03-15 01:39:10,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 132 transitions, 387 flow. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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) [2025-03-15 01:39:10,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:10,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 132 [2025-03-15 01:39:10,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:10,320 INFO L124 PetriNetUnfolderBase]: 179/639 cut-off events. [2025-03-15 01:39:10,320 INFO L125 PetriNetUnfolderBase]: For 149/325 co-relation queries the response was YES. [2025-03-15 01:39:10,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 639 events. 179/639 cut-off events. For 149/325 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3713 event pairs, 25 based on Foata normal form. 11/611 useless extension candidates. Maximal degree in co-relation 1484. Up to 244 conditions per place. [2025-03-15 01:39:10,325 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 27 selfloop transitions, 7 changer transitions 3/142 dead transitions. [2025-03-15 01:39:10,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 142 transitions, 524 flow [2025-03-15 01:39:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:39:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:39:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 476 transitions. [2025-03-15 01:39:10,329 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9015151515151515 [2025-03-15 01:39:10,330 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, 0 predicate places. [2025-03-15 01:39:10,330 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 142 transitions, 524 flow [2025-03-15 01:39:10,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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) [2025-03-15 01:39:10,330 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:10,330 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:39:10,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:39:10,331 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:10,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:10,333 INFO L85 PathProgramCache]: Analyzing trace with hash -699566541, now seen corresponding path program 1 times [2025-03-15 01:39:10,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:10,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110906863] [2025-03-15 01:39:10,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:39:10,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:10,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110906863] [2025-03-15 01:39:10,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110906863] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:10,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:10,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:39:10,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043025005] [2025-03-15 01:39:10,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:10,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:39:10,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:10,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:39:10,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:39:10,564 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 132 [2025-03-15 01:39:10,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 142 transitions, 524 flow. Second operand has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 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) [2025-03-15 01:39:10,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:10,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 132 [2025-03-15 01:39:10,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:10,742 INFO L124 PetriNetUnfolderBase]: 170/704 cut-off events. [2025-03-15 01:39:10,742 INFO L125 PetriNetUnfolderBase]: For 355/569 co-relation queries the response was YES. [2025-03-15 01:39:10,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1836 conditions, 704 events. 170/704 cut-off events. For 355/569 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4174 event pairs, 43 based on Foata normal form. 16/682 useless extension candidates. Maximal degree in co-relation 1760. Up to 223 conditions per place. [2025-03-15 01:39:10,746 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 0 selfloop transitions, 0 changer transitions 142/142 dead transitions. [2025-03-15 01:39:10,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 142 transitions, 598 flow [2025-03-15 01:39:10,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:39:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:39:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 585 transitions. [2025-03-15 01:39:10,749 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8863636363636364 [2025-03-15 01:39:10,750 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, 1 predicate places. [2025-03-15 01:39:10,750 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 142 transitions, 598 flow [2025-03-15 01:39:10,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 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) [2025-03-15 01:39:10,757 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe014_power.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:39:10,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:39:10,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:39:10,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:39:10,779 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:39:10,784 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:39:10,784 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:39:10,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:39:10 BasicIcfg [2025-03-15 01:39:10,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:39:10,790 INFO L158 Benchmark]: Toolchain (without parser) took 3833.64ms. Allocated memory was 71.3MB in the beginning and 180.4MB in the end (delta: 109.1MB). Free memory was 43.1MB in the beginning and 72.7MB in the end (delta: -29.7MB). Peak memory consumption was 109.6MB. Max. memory is 8.0GB. [2025-03-15 01:39:10,790 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:39:10,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.95ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 19.2MB in the end (delta: 23.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:39:10,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.36ms. Allocated memory is still 71.3MB. Free memory was 19.2MB in the beginning and 43.1MB in the end (delta: -23.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2025-03-15 01:39:10,790 INFO L158 Benchmark]: Boogie Preprocessor took 24.18ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:39:10,791 INFO L158 Benchmark]: RCFGBuilder took 879.96ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 38.8MB in the end (delta: 2.3MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2025-03-15 01:39:10,791 INFO L158 Benchmark]: TraceAbstraction took 2522.95ms. Allocated memory was 88.1MB in the beginning and 180.4MB in the end (delta: 92.3MB). Free memory was 37.9MB in the beginning and 72.7MB in the end (delta: -34.8MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. [2025-03-15 01:39:10,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 332.95ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 19.2MB in the end (delta: 23.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.36ms. Allocated memory is still 71.3MB. Free memory was 19.2MB in the beginning and 43.1MB in the end (delta: -23.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.18ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 879.96ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 38.8MB in the end (delta: 2.3MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2522.95ms. Allocated memory was 88.1MB in the beginning and 180.4MB in the end (delta: 92.3MB). Free memory was 37.9MB in the beginning and 72.7MB in the end (delta: -34.8MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 163 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=598occurred in iteration=4, 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, 0.8s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:39:10,806 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...