/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.sw_loop.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 02:05:55,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 02:05:55,122 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 02:05:55,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 02:05:55,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 02:05:55,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 02:05:55,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 02:05:55,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 02:05:55,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 02:05:55,150 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 02:05:55,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 02:05:55,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 02:05:55,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 02:05:55,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 02:05:55,152 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 02:05:55,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 02:05:55,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 02:05:55,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-26 02:05:55,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 02:05:55,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 02:05:55,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 02:05:55,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 02:05:55,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 02:05:55,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 02:05:55,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 02:05:55,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 02:05:55,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 02:05:55,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 02:05:55,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 02:05:55,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 02:05:55,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 02:05:55,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 02:05:55,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 02:05:55,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 02:05:55,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-26 02:05:55,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 02:05:55,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 02:05:55,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 02:05:55,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 02:05:55,377 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 02:05:55,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_loop.c [2023-12-26 02:05:56,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 02:05:56,565 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 02:05:56,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_loop.c [2023-12-26 02:05:56,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97b65fb8/b9357811ba824d748fcf9a6e67fdca08/FLAG6aa01759a [2023-12-26 02:05:56,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97b65fb8/b9357811ba824d748fcf9a6e67fdca08 [2023-12-26 02:05:56,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 02:05:56,595 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 02:05:56,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 02:05:56,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 02:05:56,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 02:05:56,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:56,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ceca4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56, skipping insertion in model container [2023-12-26 02:05:56,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:56,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 02:05:56,738 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.sw_loop.c[1247,1260] [2023-12-26 02:05:56,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 02:05:56,853 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 02:05:56,861 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.sw_loop.c[1247,1260] [2023-12-26 02:05:56,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 02:05:56,920 INFO L206 MainTranslator]: Completed translation [2023-12-26 02:05:56,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56 WrapperNode [2023-12-26 02:05:56,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 02:05:56,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 02:05:56,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 02:05:56,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 02:05:56,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:56,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,002 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 591 [2023-12-26 02:05:57,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 02:05:57,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 02:05:57,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 02:05:57,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 02:05:57,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,062 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]. [2023-12-26 02:05:57,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 02:05:57,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 02:05:57,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 02:05:57,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 02:05:57,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (1/1) ... [2023-12-26 02:05:57,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 02:05:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 02:05:57,161 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 02:05:57,200 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 02:05:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 02:05:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-26 02:05:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 02:05:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 02:05:57,338 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 02:05:57,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 02:05:57,875 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 02:05:57,909 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 02:05:57,909 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 02:05:57,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 02:05:57 BoogieIcfgContainer [2023-12-26 02:05:57,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 02:05:57,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 02:05:57,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 02:05:57,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 02:05:57,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 02:05:56" (1/3) ... [2023-12-26 02:05:57,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e47a5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 02:05:57, skipping insertion in model container [2023-12-26 02:05:57,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:05:56" (2/3) ... [2023-12-26 02:05:57,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e47a5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 02:05:57, skipping insertion in model container [2023-12-26 02:05:57,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 02:05:57" (3/3) ... [2023-12-26 02:05:57,917 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_loop.c [2023-12-26 02:05:57,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 02:05:57,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 02:05:57,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 02:05:57,964 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;@314c402f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 02:05:57,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 02:05:57,967 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 02:05:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-26 02:05:57,970 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:05:57,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-26 02:05:57,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:05:57,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:05:57,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-26 02:05:57,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-26 02:05:57,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793196825] [2023-12-26 02:05:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:05:57,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-26 02:05:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 02:05:58,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-26 02:05:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 02:05:58,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-26 02:05:58,138 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-26 02:05:58,139 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 02:05:58,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-26 02:05:58,146 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-26 02:05:58,149 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 02:05:58,167 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-26 02:05:58,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 02:05:58 BoogieIcfgContainer [2023-12-26 02:05:58,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 02:05:58,175 INFO L158 Benchmark]: Toolchain (without parser) took 1578.97ms. Allocated memory was 200.3MB in the beginning and 311.4MB in the end (delta: 111.1MB). Free memory was 164.2MB in the beginning and 226.3MB in the end (delta: -62.1MB). Peak memory consumption was 49.9MB. Max. memory is 8.0GB. [2023-12-26 02:05:58,175 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 02:05:58,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.52ms. Allocated memory is still 200.3MB. Free memory was 164.2MB in the beginning and 141.0MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-26 02:05:58,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.18ms. Allocated memory is still 200.3MB. Free memory was 141.0MB in the beginning and 134.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-26 02:05:58,176 INFO L158 Benchmark]: Boogie Preprocessor took 115.43ms. Allocated memory is still 200.3MB. Free memory was 134.9MB in the beginning and 129.4MB in the end (delta: 5.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-26 02:05:58,176 INFO L158 Benchmark]: RCFGBuilder took 791.74ms. Allocated memory was 200.3MB in the beginning and 311.4MB in the end (delta: 111.1MB). Free memory was 129.4MB in the beginning and 247.8MB in the end (delta: -118.4MB). Peak memory consumption was 46.8MB. Max. memory is 8.0GB. [2023-12-26 02:05:58,177 INFO L158 Benchmark]: TraceAbstraction took 261.50ms. Allocated memory is still 311.4MB. Free memory was 247.3MB in the beginning and 226.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-26 02:05:58,184 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 200.3MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.52ms. Allocated memory is still 200.3MB. Free memory was 164.2MB in the beginning and 141.0MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 81.18ms. Allocated memory is still 200.3MB. Free memory was 141.0MB in the beginning and 134.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 115.43ms. Allocated memory is still 200.3MB. Free memory was 134.9MB in the beginning and 129.4MB in the end (delta: 5.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 791.74ms. Allocated memory was 200.3MB in the beginning and 311.4MB in the end (delta: 111.1MB). Free memory was 129.4MB in the beginning and 247.8MB in the end (delta: -118.4MB). Peak memory consumption was 46.8MB. Max. memory is 8.0GB. * TraceAbstraction took 261.50ms. Allocated memory is still 311.4MB. Free memory was 247.3MB in the beginning and 226.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. 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 80. 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_27)-1 >> (sizeof(SORT_27) * 8 - 6) [L29] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 6); [L30] EXPR (SORT_27)1 << (6 - 1) [L30] const SORT_27 msb_SORT_27 = (SORT_27)1 << (6 - 1); [L32] const SORT_1 var_3 = 0; [L33] const SORT_1 var_9 = 1; [L34] const SORT_27 var_28 = 0; [L35] const SORT_27 var_32 = 19; [L36] const SORT_27 var_45 = 17; [L37] const SORT_27 var_158 = 3; [L39] SORT_1 input_2; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L41] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L42] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_27 [L49] SORT_27 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L51] SORT_1 init_5_arg_1 = var_3; [L52] state_4 = init_5_arg_1 [L53] SORT_1 init_14_arg_1 = var_9; [L54] state_13 = init_14_arg_1 [L55] SORT_1 init_16_arg_1 = var_3; [L56] state_15 = init_16_arg_1 [L57] SORT_1 init_18_arg_1 = var_3; [L58] state_17 = init_18_arg_1 [L59] SORT_1 init_20_arg_1 = var_3; [L60] state_19 = init_20_arg_1 [L61] SORT_1 init_22_arg_1 = var_3; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_3; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_27 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 VAL [init_14_arg_1=1, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=1, init_30_arg_1=0, init_5_arg_1=0, mask_SORT_1=0, mask_SORT_27=0, msb_SORT_1=0, msb_SORT_27=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] EXPR var_11_arg_0 & var_11_arg_1 [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_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: 0.2s, 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, 0.0s 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 02:05:58,201 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...