/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 01:43:23,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 01:43:23,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-26 01:43:23,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 01:43:23,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 01:43:23,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 01:43:23,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 01:43:23,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 01:43:23,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 01:43:23,633 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 01:43:23,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 01:43:23,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 01:43:23,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 01:43:23,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 01:43:23,635 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 01:43:23,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 01:43:23,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 01:43:23,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-26 01:43:23,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 01:43:23,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 01:43:23,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 01:43:23,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 01:43:23,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 01:43:23,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 01:43:23,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 01:43:23,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 01:43:23,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 01:43:23,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 01:43:23,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 01:43:23,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 01:43:23,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 01:43:23,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 01:43:23,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 01:43:23,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-26 01:43:23,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 01:43:23,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 01:43:23,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 01:43:23,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 01:43:23,845 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 01:43:23,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-12-26 01:43:24,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 01:43:25,084 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 01:43:25,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-12-26 01:43:25,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ece510d/df4aeb62bb974dbdbbcb462a92ad3295/FLAG6f8f5e10b [2023-12-26 01:43:25,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ece510d/df4aeb62bb974dbdbbcb462a92ad3295 [2023-12-26 01:43:25,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 01:43:25,461 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 01:43:25,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 01:43:25,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 01:43:25,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 01:43:25,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dfc8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25, skipping insertion in model container [2023-12-26 01:43:25,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 01:43:25,642 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-12-26 01:43:25,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 01:43:25,720 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 01:43:25,733 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-12-26 01:43:25,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 01:43:25,779 INFO L206 MainTranslator]: Completed translation [2023-12-26 01:43:25,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25 WrapperNode [2023-12-26 01:43:25,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 01:43:25,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 01:43:25,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 01:43:25,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 01:43:25,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,811 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 334 [2023-12-26 01:43:25,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 01:43:25,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 01:43:25,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 01:43:25,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 01:43:25,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,847 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2023-12-26 01:43:25,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 01:43:25,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 01:43:25,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 01:43:25,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 01:43:25,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (1/1) ... [2023-12-26 01:43:25,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 01:43:25,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 01:43:25,930 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) [2023-12-26 01:43:25,966 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 [2023-12-26 01:43:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 01:43:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-26 01:43:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-26 01:43:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 01:43:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 01:43:26,107 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 01:43:26,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 01:43:26,336 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 01:43:26,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 01:43:26,387 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 01:43:26,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 01:43:26 BoogieIcfgContainer [2023-12-26 01:43:26,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 01:43:26,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 01:43:26,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 01:43:26,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 01:43:26,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 01:43:25" (1/3) ... [2023-12-26 01:43:26,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c4ed8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 01:43:26, skipping insertion in model container [2023-12-26 01:43:26,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 01:43:25" (2/3) ... [2023-12-26 01:43:26,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c4ed8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 01:43:26, skipping insertion in model container [2023-12-26 01:43:26,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 01:43:26" (3/3) ... [2023-12-26 01:43:26,393 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2023-12-26 01:43:26,405 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 01:43:26,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 01:43:26,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 01:43:26,438 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;@5ed3c38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 01:43:26,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 01:43:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-26 01:43:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-26 01:43:26,444 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 01:43:26,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-26 01:43:26,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 01:43:26,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 01:43:26,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-26 01:43:26,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-26 01:43:26,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206705328] [2023-12-26 01:43:26,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 01:43:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-26 01:43:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 01:43:26,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-26 01:43:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 01:43:26,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-26 01:43:26,624 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-26 01:43:26,625 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 01:43:26,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-26 01:43:26,636 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-26 01:43:26,640 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 01:43:26,662 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-26 01:43:26,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 01:43:26 BoogieIcfgContainer [2023-12-26 01:43:26,667 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 01:43:26,668 INFO L158 Benchmark]: Toolchain (without parser) took 1207.08ms. Allocated memory is still 218.1MB. Free memory was 172.8MB in the beginning and 168.7MB in the end (delta: 4.1MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2023-12-26 01:43:26,668 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 218.1MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 01:43:26,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.47ms. Allocated memory is still 218.1MB. Free memory was 172.6MB in the beginning and 156.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-26 01:43:26,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.53ms. Allocated memory is still 218.1MB. Free memory was 156.0MB in the beginning and 152.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-26 01:43:26,669 INFO L158 Benchmark]: Boogie Preprocessor took 64.32ms. Allocated memory is still 218.1MB. Free memory was 152.8MB in the beginning and 149.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-26 01:43:26,669 INFO L158 Benchmark]: RCFGBuilder took 511.18ms. Allocated memory is still 218.1MB. Free memory was 149.5MB in the beginning and 189.1MB in the end (delta: -39.6MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. [2023-12-26 01:43:26,670 INFO L158 Benchmark]: TraceAbstraction took 278.38ms. Allocated memory is still 218.1MB. Free memory was 188.1MB in the beginning and 168.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-26 01:43:26,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 218.1MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 318.47ms. Allocated memory is still 218.1MB. Free memory was 172.6MB in the beginning and 156.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.53ms. Allocated memory is still 218.1MB. Free memory was 156.0MB in the beginning and 152.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.32ms. Allocated memory is still 218.1MB. Free memory was 152.8MB in the beginning and 149.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 511.18ms. Allocated memory is still 218.1MB. Free memory was 149.5MB in the beginning and 189.1MB in the end (delta: -39.6MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. * TraceAbstraction took 278.38ms. Allocated memory is still 218.1MB. Free memory was 188.1MB in the beginning and 168.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. 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: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwise operation at line 94. Possible FailurePath: [L27] EXPR (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1) [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] EXPR (SORT_1)1 << (1 - 1) [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] EXPR (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10) [L33] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L34] EXPR (SORT_8)1 << (10 - 1) [L34] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L36] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 128); [L37] const SORT_14 msb_SORT_14 = (SORT_14)1 << (128 - 1); [L39] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 32); [L40] const SORT_57 msb_SORT_57 = (SORT_57)1 << (32 - 1); [L42] const SORT_1 var_10 = 0; [L43] const SORT_14 var_15 = 0; [L44] const SORT_1 var_24 = 1; [L45] const SORT_5 var_28 = 0; [L46] const SORT_8 var_35 = 0; [L47] const SORT_57 var_58 = 1; [L48] const SORT_57 var_62 = 1000; [L49] const SORT_5 var_64 = 9223372036854775807; [L50] const SORT_5 var_67 = 12245771; [L52] SORT_1 input_2; [L53] SORT_1 input_3; [L54] SORT_1 input_4; [L55] SORT_5 input_6; [L56] SORT_5 input_7; [L57] SORT_8 input_9; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] SORT_14 state_16 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L61] SORT_14 state_18 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L62] SORT_5 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L63] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 [L64] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] SORT_5 state_42 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L68] SORT_5 state_44 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L70] SORT_1 init_12_arg_1 = var_10; [L71] state_11 = init_12_arg_1 [L72] SORT_14 init_17_arg_1 = var_15; [L73] state_16 = init_17_arg_1 [L74] SORT_14 init_19_arg_1 = var_15; [L75] state_18 = init_19_arg_1 [L76] SORT_5 init_30_arg_1 = var_28; [L77] state_29 = init_30_arg_1 [L78] SORT_5 init_32_arg_1 = var_28; [L79] state_31 = init_32_arg_1 [L80] SORT_8 init_37_arg_1 = var_35; [L81] state_36 = init_37_arg_1 [L82] SORT_1 init_39_arg_1 = var_24; [L83] state_38 = init_39_arg_1 [L84] SORT_1 init_41_arg_1 = var_24; [L85] state_40 = init_41_arg_1 [L86] SORT_5 init_43_arg_1 = var_28; [L87] state_42 = init_43_arg_1 [L88] SORT_5 init_45_arg_1 = var_28; [L89] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_1=0, mask_SORT_8=0, msb_SORT_1=0, msb_SORT_8=0, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] EXPR input_3 & mask_SORT_1 [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] EXPR input_4 & mask_SORT_1 [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] EXPR var_21_arg_0 | var_21_arg_1 [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] EXPR var_26_arg_0 & var_26_arg_1 [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] EXPR var_26 & mask_SORT_1 [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-12-26 01:43:26,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...