/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:13:55,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:13:55,984 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:13:55,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:13:55,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:13:56,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:13:56,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:13:56,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:13:56,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:13:56,011 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:13:56,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:13:56,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:13:56,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:13:56,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:13:56,013 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:13:56,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:13:56,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:13:56,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:13:56,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:13:56,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:13:56,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:13:56,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:13:56,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:13:56,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:13:56,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:13:56,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:13:56,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:13:56,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:13:56,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:13:56,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:13:56,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:13:56,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:13:56,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:13:56,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:13:56,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:13:56,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:13:56,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:13:56,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:13:56,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:13:56,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:13:56,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:13:56,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:13:56,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:13:56,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:13:56,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:13:56,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:13:56,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:13:56,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:13:56,245 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:13:56,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-16 01:13:57,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:13:57,443 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:13:57,444 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-16 01:13:57,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894fdb40f/7c6d27e3d0624864b75d156e88803586/FLAG828419874 [2023-12-16 01:13:57,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894fdb40f/7c6d27e3d0624864b75d156e88803586 [2023-12-16 01:13:57,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:13:57,473 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:13:57,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:13:57,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:13:57,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:13:57,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e3077a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57, skipping insertion in model container [2023-12-16 01:13:57,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:13:57,601 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2023-12-16 01:13:57,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:13:57,626 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:13:57,644 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2023-12-16 01:13:57,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:13:57,657 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:13:57,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57 WrapperNode [2023-12-16 01:13:57,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:13:57,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:13:57,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:13:57,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:13:57,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,683 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-12-16 01:13:57,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:13:57,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:13:57,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:13:57,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:13:57,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,702 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 01:13:57,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:13:57,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:13:57,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:13:57,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:13:57,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (1/1) ... [2023-12-16 01:13:57,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:13:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:13:57,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 01:13:57,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 01:13:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:13:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:13:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:13:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:13:57,834 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:13:57,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:13:57,906 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:13:57,920 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:13:57,921 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 01:13:57,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:13:57 BoogieIcfgContainer [2023-12-16 01:13:57,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:13:57,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:13:57,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:13:57,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:13:57,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:13:57" (1/3) ... [2023-12-16 01:13:57,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd2df49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:13:57, skipping insertion in model container [2023-12-16 01:13:57,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:57" (2/3) ... [2023-12-16 01:13:57,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd2df49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:13:57, skipping insertion in model container [2023-12-16 01:13:57,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:13:57" (3/3) ... [2023-12-16 01:13:57,926 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-16 01:13:57,937 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:13:57,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-16 01:13:57,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:13:57,970 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=LoopHeads, 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;@5f6760ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:13:57,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-16 01:13:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 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) [2023-12-16 01:13:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-16 01:13:57,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:57,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-16 01:13:57,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-12-16 01:13:57,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:57,985 INFO L85 PathProgramCache]: Analyzing trace with hash 59744, now seen corresponding path program 1 times [2023-12-16 01:13:57,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:57,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922324289] [2023-12-16 01:13:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:57,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:58,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:58,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922324289] [2023-12-16 01:13:58,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922324289] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:58,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:58,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:13:58,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042134919] [2023-12-16 01:13:58,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:58,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:13:58,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:58,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:13:58,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:13:58,220 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 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) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-12-16 01:13:58,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:13:58,242 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-12-16 01:13:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:13:58,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2023-12-16 01:13:58,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:13:58,248 INFO L225 Difference]: With dead ends: 16 [2023-12-16 01:13:58,248 INFO L226 Difference]: Without dead ends: 6 [2023-12-16 01:13:58,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:13:58,252 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:13:58,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:13:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-12-16 01:13:58,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-12-16 01:13:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2023-12-16 01:13:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2023-12-16 01:13:58,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2023-12-16 01:13:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:13:58,275 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2023-12-16 01:13:58,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-12-16 01:13:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-12-16 01:13:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-16 01:13:58,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:58,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-16 01:13:58,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:13:58,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-12-16 01:13:58,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:58,279 INFO L85 PathProgramCache]: Analyzing trace with hash 57568228, now seen corresponding path program 1 times [2023-12-16 01:13:58,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:58,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007761019] [2023-12-16 01:13:58,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:58,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 01:13:58,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 01:13:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 01:13:58,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 01:13:58,331 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 01:13:58,332 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-12-16 01:13:58,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-16 01:13:58,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:13:58,336 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 01:13:58,338 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:13:58,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:13:58 BoogieIcfgContainer [2023-12-16 01:13:58,350 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:13:58,351 INFO L158 Benchmark]: Toolchain (without parser) took 877.78ms. Allocated memory is still 240.1MB. Free memory was 186.0MB in the beginning and 191.5MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:13:58,352 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory was 148.3MB in the beginning and 148.2MB in the end (delta: 99.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:13:58,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.37ms. Allocated memory is still 240.1MB. Free memory was 185.7MB in the beginning and 174.8MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 01:13:58,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.92ms. Allocated memory is still 240.1MB. Free memory was 174.8MB in the beginning and 173.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-16 01:13:58,356 INFO L158 Benchmark]: Boogie Preprocessor took 32.28ms. Allocated memory is still 240.1MB. Free memory was 173.1MB in the beginning and 171.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 01:13:58,357 INFO L158 Benchmark]: RCFGBuilder took 204.95ms. Allocated memory is still 240.1MB. Free memory was 171.6MB in the beginning and 161.9MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-16 01:13:58,357 INFO L158 Benchmark]: TraceAbstraction took 428.32ms. Allocated memory is still 240.1MB. Free memory was 161.1MB in the beginning and 191.5MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:13:58,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory was 148.3MB in the beginning and 148.2MB in the end (delta: 99.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 185.37ms. Allocated memory is still 240.1MB. Free memory was 185.7MB in the beginning and 174.8MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.92ms. Allocated memory is still 240.1MB. Free memory was 174.8MB in the beginning and 173.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.28ms. Allocated memory is still 240.1MB. Free memory was 173.1MB in the beginning and 171.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 204.95ms. Allocated memory is still 240.1MB. Free memory was 171.6MB in the beginning and 161.9MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 428.32ms. Allocated memory is still 240.1MB. Free memory was 161.1MB in the beginning and 191.5MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 49]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 49. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; [L54] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, count=0] [L54] RET __VERIFIER_assert(count == 0) [L55] COND TRUE count < 5 [L56] CALL foo() [L48] count++ VAL [count=1] [L49] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 5 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=10occurred in iteration=0, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 01:13:58,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...