/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.vcegar_QF_BV_itc99_b13_p10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:55:33,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:55:33,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 20:55:33,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:55:33,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:55:33,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:55:33,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:55:33,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:55:33,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:55:33,501 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:55:33,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:55:33,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:55:33,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:55:33,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:55:33,503 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:55:33,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:55:33,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:55:33,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:55:33,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:55:33,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:55:33,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:55:33,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:55:33,505 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:55:33,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:55:33,506 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:55:33,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:55:33,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:55:33,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:55:33,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:55:33,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:55:33,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:55:33,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:55:33,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:55:33,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:55:33,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:55:33,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:55:33,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:55:33,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:55:33,726 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:55:33,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p10.c [2023-12-16 20:55:34,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:55:35,106 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:55:35,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p10.c [2023-12-16 20:55:35,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab20b6003/3d7f115bc67746538b4a657d0c9c97cb/FLAGb759ef200 [2023-12-16 20:55:35,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab20b6003/3d7f115bc67746538b4a657d0c9c97cb [2023-12-16 20:55:35,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:55:35,163 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:55:35,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:55:35,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:55:35,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:55:35,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f12504e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35, skipping insertion in model container [2023-12-16 20:55:35,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:55:35,348 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.vcegar_QF_BV_itc99_b13_p10.c[1266,1279] [2023-12-16 20:55:35,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:55:35,453 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:55:35,460 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.vcegar_QF_BV_itc99_b13_p10.c[1266,1279] [2023-12-16 20:55:35,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:55:35,509 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:55:35,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35 WrapperNode [2023-12-16 20:55:35,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:55:35,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:55:35,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:55:35,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:55:35,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,595 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 570 [2023-12-16 20:55:35,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:55:35,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:55:35,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:55:35,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:55:35,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,653 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 20:55:35,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:55:35,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:55:35,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:55:35,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:55:35,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (1/1) ... [2023-12-16 20:55:35,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:55:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:55:35,788 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 20:55:35,796 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 20:55:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:55:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:55:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:55:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:55:35,922 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:55:35,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:55:36,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:55:36,366 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:55:36,366 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:55:36,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:55:36 BoogieIcfgContainer [2023-12-16 20:55:36,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:55:36,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:55:36,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:55:36,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:55:36,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:55:35" (1/3) ... [2023-12-16 20:55:36,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5892f7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:55:36, skipping insertion in model container [2023-12-16 20:55:36,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:55:35" (2/3) ... [2023-12-16 20:55:36,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5892f7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:55:36, skipping insertion in model container [2023-12-16 20:55:36,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:55:36" (3/3) ... [2023-12-16 20:55:36,374 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p10.c [2023-12-16 20:55:36,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:55:36,388 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:55:36,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:55:36,433 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;@6ebaa1ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:55:36,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:55:36,437 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) [2023-12-16 20:55:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:55:36,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:55:36,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:55:36,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:55:36,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:55:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:55:36,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:55:36,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123900654] [2023-12-16 20:55:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:55:36,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:55:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:55:36,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:55:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:55:36,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:55:36,720 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:55:36,720 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:55:36,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:55:36,727 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:55:36,730 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:55:36,761 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:55:36,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:55:36 BoogieIcfgContainer [2023-12-16 20:55:36,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:55:36,774 INFO L158 Benchmark]: Toolchain (without parser) took 1609.10ms. Allocated memory is still 185.6MB. Free memory was 139.0MB in the beginning and 89.0MB in the end (delta: 50.1MB). Peak memory consumption was 50.6MB. Max. memory is 8.0GB. [2023-12-16 20:55:36,774 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:55:36,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.28ms. Allocated memory is still 185.6MB. Free memory was 138.7MB in the beginning and 117.1MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-16 20:55:36,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.36ms. Allocated memory is still 185.6MB. Free memory was 117.1MB in the beginning and 111.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 20:55:36,775 INFO L158 Benchmark]: Boogie Preprocessor took 94.19ms. Allocated memory is still 185.6MB. Free memory was 111.4MB in the beginning and 105.5MB in the end (delta: 5.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 20:55:36,776 INFO L158 Benchmark]: RCFGBuilder took 676.31ms. Allocated memory is still 185.6MB. Free memory was 105.5MB in the beginning and 112.6MB in the end (delta: -7.0MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. [2023-12-16 20:55:36,776 INFO L158 Benchmark]: TraceAbstraction took 401.10ms. Allocated memory is still 185.6MB. Free memory was 112.0MB in the beginning and 89.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-16 20:55:36,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 345.28ms. Allocated memory is still 185.6MB. Free memory was 138.7MB in the beginning and 117.1MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 85.36ms. Allocated memory is still 185.6MB. Free memory was 117.1MB in the beginning and 111.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 94.19ms. Allocated memory is still 185.6MB. Free memory was 111.4MB in the beginning and 105.5MB in the end (delta: 5.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 676.31ms. Allocated memory is still 185.6MB. Free memory was 105.5MB in the beginning and 112.6MB in the end (delta: -7.0MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. * TraceAbstraction took 401.10ms. Allocated memory is still 185.6MB. Free memory was 112.0MB in the beginning and 89.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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: 21]: 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 152. Possible FailurePath: [L26] EXPR (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1) [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] EXPR (SORT_1)1 << (1 - 1) [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] EXPR (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8) [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] EXPR (SORT_3)1 << (8 - 1) [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] EXPR (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4) [L35] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4); [L36] EXPR (SORT_31)1 << (4 - 1) [L36] const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1); [L38] EXPR (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10) [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10); [L39] EXPR (SORT_67)1 << (10 - 1) [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 0; [L43] const SORT_1 var_21 = 1; [L44] const SORT_67 var_68 = 0; [L45] const SORT_10 var_123 = 104; [L46] const SORT_10 var_140 = 1; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_29; [L53] SORT_31 input_32; [L54] SORT_1 input_34; [L55] SORT_31 input_36; [L56] SORT_1 input_38; [L57] SORT_1 input_44; [L58] SORT_1 input_46; [L59] SORT_1 input_48; [L60] SORT_3 input_52; [L61] SORT_1 input_55; [L62] SORT_1 input_63; [L63] SORT_1 input_73; [L64] SORT_1 input_79; [L65] SORT_1 input_80; [L66] SORT_1 input_92; [L67] SORT_1 input_99; [L68] SORT_1 input_105; [L69] SORT_1 input_111; [L70] SORT_1 input_117; [L71] SORT_1 input_118; [L72] SORT_1 input_119; [L73] SORT_67 input_138; [L74] SORT_1 input_147; [L75] SORT_1 input_148; [L76] SORT_1 input_149; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_ushort() & mask_SORT_67 [L89] SORT_67 state_69 = __VERIFIER_nondet_ushort() & mask_SORT_67; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_1 init_9_arg_1 = var_7; [L93] state_8 = init_9_arg_1 [L94] SORT_1 init_15_arg_1 = var_7; [L95] state_14 = init_15_arg_1 [L96] SORT_1 init_26_arg_1 = var_7; [L97] state_25 = init_26_arg_1 [L98] SORT_1 init_28_arg_1 = var_7; [L99] state_27 = init_28_arg_1 [L100] SORT_1 init_41_arg_1 = var_7; [L101] state_40 = init_41_arg_1 [L102] SORT_1 init_43_arg_1 = var_7; [L103] state_42 = init_43_arg_1 [L104] SORT_1 init_51_arg_1 = var_21; [L105] state_50 = init_51_arg_1 [L106] SORT_1 init_58_arg_1 = var_7; [L107] state_57 = init_58_arg_1 [L108] SORT_1 init_60_arg_1 = var_7; [L109] state_59 = init_60_arg_1 [L110] SORT_1 init_62_arg_1 = var_7; [L111] state_61 = init_62_arg_1 [L112] SORT_1 init_66_arg_1 = var_7; [L113] state_65 = init_66_arg_1 [L114] SORT_67 init_70_arg_1 = var_68; [L115] state_69 = init_70_arg_1 [L116] SORT_1 init_72_arg_1 = var_7; [L117] state_71 = init_72_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_51_arg_1=1, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_1=0, mask_SORT_31=0, mask_SORT_3=0, mask_SORT_67=0, msb_SORT_1=0, msb_SORT_31=0, msb_SORT_3=0, msb_SORT_67=0, state_14=0, state_25=0, state_27=0, state_40=0, state_42=0, state_50=1, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_123=104, var_12=0, var_140=1, var_21=1, var_68=0, var_7=0] [L120] input_2 = __VERIFIER_nondet_uchar() [L121] input_4 = __VERIFIER_nondet_uchar() [L122] input_5 = __VERIFIER_nondet_uchar() [L123] input_6 = __VERIFIER_nondet_uchar() [L124] input_29 = __VERIFIER_nondet_uchar() [L125] input_32 = __VERIFIER_nondet_uchar() [L126] input_34 = __VERIFIER_nondet_uchar() [L127] input_36 = __VERIFIER_nondet_uchar() [L128] input_38 = __VERIFIER_nondet_uchar() [L129] input_44 = __VERIFIER_nondet_uchar() [L130] input_46 = __VERIFIER_nondet_uchar() [L131] input_48 = __VERIFIER_nondet_uchar() [L132] input_52 = __VERIFIER_nondet_uchar() [L133] input_55 = __VERIFIER_nondet_uchar() [L134] input_63 = __VERIFIER_nondet_uchar() [L135] input_73 = __VERIFIER_nondet_uchar() [L136] input_79 = __VERIFIER_nondet_uchar() [L137] input_80 = __VERIFIER_nondet_uchar() [L138] input_92 = __VERIFIER_nondet_uchar() [L139] input_99 = __VERIFIER_nondet_uchar() [L140] input_105 = __VERIFIER_nondet_uchar() [L141] input_111 = __VERIFIER_nondet_uchar() [L142] input_117 = __VERIFIER_nondet_uchar() [L143] input_118 = __VERIFIER_nondet_uchar() [L144] input_119 = __VERIFIER_nondet_uchar() [L145] input_138 = __VERIFIER_nondet_ushort() [L146] input_147 = __VERIFIER_nondet_uchar() [L147] input_148 = __VERIFIER_nondet_uchar() [L148] input_149 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_11_arg_0 = state_8; [L152] EXPR var_11_arg_0 & mask_SORT_1 [L152] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L153] SORT_10 var_11 = var_11_arg_0; [L154] SORT_10 var_13_arg_0 = var_11; [L155] SORT_10 var_13_arg_1 = var_12; [L156] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L157] SORT_1 var_16_arg_0 = state_14; [L158] EXPR var_16_arg_0 & mask_SORT_1 [L158] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L159] SORT_10 var_16 = var_16_arg_0; [L160] SORT_10 var_17_arg_0 = var_16; [L161] SORT_10 var_17_arg_1 = var_12; [L162] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L163] SORT_1 var_18_arg_0 = var_13; [L164] SORT_1 var_18_arg_1 = var_17; [L165] EXPR var_18_arg_0 | var_18_arg_1 [L165] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L166] SORT_1 var_22_arg_0 = var_18; [L167] SORT_1 var_22 = ~var_22_arg_0; [L168] SORT_1 var_23_arg_0 = var_21; [L169] SORT_1 var_23_arg_1 = var_22; [L170] EXPR var_23_arg_0 & var_23_arg_1 [L170] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L171] EXPR var_23 & mask_SORT_1 [L171] var_23 = var_23 & mask_SORT_1 [L172] SORT_1 bad_24_arg_0 = var_23; [L173] CALL __VERIFIER_assert(!(bad_24_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] 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: 0.3s, 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 [2023-12-16 20:55:36,797 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...