/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.adding.4.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:04:49,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:04:49,502 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 20:04:49,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:04:49,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:04:49,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:04:49,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:04:49,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:04:49,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:04:49,533 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:04:49,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:04:49,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:04:49,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:04:49,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:04:49,536 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:04:49,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:04:49,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:04:49,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:04:49,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:04:49,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:04:49,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:04:49,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:04:49,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:04:49,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:04:49,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:04:49,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:04:49,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:04:49,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:04:49,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:04:49,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:04:49,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:04:49,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:04:49,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:04:49,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:04:49,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:04:49,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:04:49,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:04:49,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:04:49,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:04:49,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:04:49,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:04:49,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:04:49,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:04:49,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:04:49,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:04:49,782 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:04:49,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2023-12-16 20:04:51,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:04:51,383 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:04:51,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2023-12-16 20:04:51,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bcbcfb74/539f5efb099646729ab87355638126a7/FLAG60d076ca8 [2023-12-16 20:04:51,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bcbcfb74/539f5efb099646729ab87355638126a7 [2023-12-16 20:04:51,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:04:51,403 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:04:51,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:04:51,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:04:51,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:04:51,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:51,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5946bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51, skipping insertion in model container [2023-12-16 20:04:51,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:51,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:04:51,600 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.adding.4.prop1-back-serstep.c[1174,1187] [2023-12-16 20:04:51,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:04:51,756 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:04:51,764 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.adding.4.prop1-back-serstep.c[1174,1187] [2023-12-16 20:04:51,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:04:51,851 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:04:51,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51 WrapperNode [2023-12-16 20:04:51,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:04:51,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:04:51,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:04:51,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:04:51,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:51,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:51,985 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 905 [2023-12-16 20:04:51,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:04:51,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:04:51,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:04:51,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:04:52,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,071 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 20:04:52,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:04:52,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:04:52,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:04:52,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:04:52,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (1/1) ... [2023-12-16 20:04:52,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:04:52,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:04:52,210 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 20:04:52,212 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 20:04:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:04:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:04:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:04:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:04:52,440 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:04:52,465 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:04:52,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:04:53,019 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:04:53,019 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:04:53,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:04:53 BoogieIcfgContainer [2023-12-16 20:04:53,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:04:53,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:04:53,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:04:53,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:04:53,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:04:51" (1/3) ... [2023-12-16 20:04:53,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2deffc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:04:53, skipping insertion in model container [2023-12-16 20:04:53,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:51" (2/3) ... [2023-12-16 20:04:53,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2deffc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:04:53, skipping insertion in model container [2023-12-16 20:04:53,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:04:53" (3/3) ... [2023-12-16 20:04:53,026 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.4.prop1-back-serstep.c [2023-12-16 20:04:53,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:04:53,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:04:53,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:04:53,089 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;@51d4fb97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:04:53,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:04:53,093 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 20:04:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:04:53,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:04:53,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:04:53,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:04:53,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:04:53,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:04:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:04:53,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111410319] [2023-12-16 20:04:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:04:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:04:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:04:53,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:04:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:04:53,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:04:53,384 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:04:53,385 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:04:53,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:04:53,392 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:04:53,394 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:04:53,423 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:04:53,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:04:53 BoogieIcfgContainer [2023-12-16 20:04:53,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:04:53,437 INFO L158 Benchmark]: Toolchain (without parser) took 2033.47ms. Allocated memory is still 199.2MB. Free memory was 141.1MB in the beginning and 138.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.6MB. Max. memory is 8.0GB. [2023-12-16 20:04:53,437 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:04:53,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.68ms. Allocated memory is still 199.2MB. Free memory was 140.6MB in the beginning and 112.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-16 20:04:53,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.50ms. Allocated memory is still 199.2MB. Free memory was 112.2MB in the beginning and 105.4MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 20:04:53,438 INFO L158 Benchmark]: Boogie Preprocessor took 161.78ms. Allocated memory is still 199.2MB. Free memory was 105.4MB in the beginning and 99.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 20:04:53,438 INFO L158 Benchmark]: RCFGBuilder took 870.67ms. Allocated memory is still 199.2MB. Free memory was 99.1MB in the beginning and 84.6MB in the end (delta: 14.5MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. [2023-12-16 20:04:53,439 INFO L158 Benchmark]: TraceAbstraction took 414.85ms. Allocated memory is still 199.2MB. Free memory was 84.1MB in the beginning and 138.5MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:04:53,440 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 165.7MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 457.68ms. Allocated memory is still 199.2MB. Free memory was 140.6MB in the beginning and 112.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 123.50ms. Allocated memory is still 199.2MB. Free memory was 112.2MB in the beginning and 105.4MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 161.78ms. Allocated memory is still 199.2MB. Free memory was 105.4MB in the beginning and 99.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 870.67ms. Allocated memory is still 199.2MB. Free memory was 99.1MB in the beginning and 84.6MB in the end (delta: 14.5MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. * TraceAbstraction took 414.85ms. Allocated memory is still 199.2MB. Free memory was 84.1MB in the beginning and 138.5MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 101. 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_2)-1 >> (sizeof(SORT_2) * 8 - 5) [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L30] EXPR (SORT_2)1 << (5 - 1) [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L32] EXPR (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16) [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L33] EXPR (SORT_3)1 << (16 - 1) [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_3 var_5 = 0; [L39] const SORT_1 var_12 = 0; [L40] const SORT_3 var_34 = 1; [L41] const SORT_3 var_37 = 0; [L42] const SORT_1 var_62 = 1; [L43] const SORT_4 var_65 = 400; [L44] const SORT_3 var_66 = 0; [L45] const SORT_4 var_68 = 16; [L46] const SORT_4 var_171 = 749; [L48] SORT_3 input_44; [L49] SORT_3 input_46; [L50] SORT_3 input_48; [L51] SORT_1 input_50; [L52] SORT_1 input_52; [L53] SORT_1 input_54; [L54] SORT_1 input_56; [L55] SORT_1 input_58; [L56] SORT_1 input_60; [L57] SORT_1 input_64; [L58] SORT_1 input_74; [L59] SORT_1 input_78; [L60] SORT_1 input_81; [L61] SORT_1 input_96; [L62] SORT_1 input_100; [L64] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L64] SORT_3 state_6 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L65] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L65] SORT_3 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L66] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_3 init_7_arg_1 = var_5; [L77] state_6 = init_7_arg_1 [L78] SORT_3 init_9_arg_1 = var_5; [L79] state_8 = init_9_arg_1 [L80] SORT_3 init_11_arg_1 = var_5; [L81] state_10 = init_11_arg_1 [L82] SORT_1 init_14_arg_1 = var_12; [L83] state_13 = init_14_arg_1 [L84] SORT_1 init_16_arg_1 = var_12; [L85] state_15 = init_16_arg_1 [L86] SORT_1 init_18_arg_1 = var_12; [L87] state_17 = init_18_arg_1 [L88] SORT_1 init_20_arg_1 = var_12; [L89] state_19 = init_20_arg_1 [L90] SORT_1 init_22_arg_1 = var_12; [L91] state_21 = init_22_arg_1 [L92] SORT_1 init_24_arg_1 = var_12; [L93] state_23 = init_24_arg_1 [L94] SORT_1 init_26_arg_1 = var_12; [L95] state_25 = init_26_arg_1 [L96] SORT_1 init_28_arg_1 = var_12; [L97] state_27 = init_28_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, 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=0, init_28_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=0, mask_SORT_2=0, mask_SORT_3=0, msb_SORT_1=0, msb_SORT_2=0, msb_SORT_3=0, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_12=0, var_171=749, var_34=1, var_37=0, var_5=0, var_62=1, var_65=400, var_66=0, var_68=16] [L100] input_44 = __VERIFIER_nondet_ushort() [L101] EXPR input_44 & mask_SORT_3 [L101] input_44 = input_44 & mask_SORT_3 [L102] input_46 = __VERIFIER_nondet_ushort() [L103] EXPR input_46 & mask_SORT_3 [L103] input_46 = input_46 & mask_SORT_3 [L104] input_48 = __VERIFIER_nondet_ushort() [L105] EXPR input_48 & mask_SORT_3 [L105] input_48 = input_48 & mask_SORT_3 [L106] input_50 = __VERIFIER_nondet_uchar() [L107] EXPR input_50 & mask_SORT_1 [L107] input_50 = input_50 & mask_SORT_1 [L108] input_52 = __VERIFIER_nondet_uchar() [L109] EXPR input_52 & mask_SORT_1 [L109] input_52 = input_52 & mask_SORT_1 [L110] input_54 = __VERIFIER_nondet_uchar() [L111] EXPR input_54 & mask_SORT_1 [L111] input_54 = input_54 & mask_SORT_1 [L112] input_56 = __VERIFIER_nondet_uchar() [L113] EXPR input_56 & mask_SORT_1 [L113] input_56 = input_56 & mask_SORT_1 [L114] input_58 = __VERIFIER_nondet_uchar() [L115] EXPR input_58 & mask_SORT_1 [L115] input_58 = input_58 & mask_SORT_1 [L116] input_60 = __VERIFIER_nondet_uchar() [L117] EXPR input_60 & mask_SORT_1 [L117] input_60 = input_60 & mask_SORT_1 [L118] input_64 = __VERIFIER_nondet_uchar() [L119] EXPR input_64 & mask_SORT_1 [L119] input_64 = input_64 & mask_SORT_1 [L120] input_74 = __VERIFIER_nondet_uchar() [L121] EXPR input_74 & mask_SORT_1 [L121] input_74 = input_74 & mask_SORT_1 [L122] input_78 = __VERIFIER_nondet_uchar() [L123] EXPR input_78 & mask_SORT_1 [L123] input_78 = input_78 & mask_SORT_1 [L124] input_81 = __VERIFIER_nondet_uchar() [L125] EXPR input_81 & mask_SORT_1 [L125] input_81 = input_81 & mask_SORT_1 [L126] input_96 = __VERIFIER_nondet_uchar() [L127] EXPR input_96 & mask_SORT_1 [L127] input_96 = input_96 & mask_SORT_1 [L128] input_100 = __VERIFIER_nondet_uchar() [L129] EXPR input_100 & mask_SORT_1 [L129] input_100 = input_100 & mask_SORT_1 [L132] SORT_1 var_29_arg_0 = state_13; [L133] SORT_1 var_29_arg_1 = ~state_15; [L134] EXPR var_29_arg_1 & mask_SORT_1 [L134] var_29_arg_1 = var_29_arg_1 & mask_SORT_1 [L135] EXPR var_29_arg_0 & var_29_arg_1 [L135] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L136] SORT_1 var_30_arg_0 = var_29; [L137] SORT_1 var_30_arg_1 = ~state_17; [L138] EXPR var_30_arg_1 & mask_SORT_1 [L138] var_30_arg_1 = var_30_arg_1 & mask_SORT_1 [L139] EXPR var_30_arg_0 & var_30_arg_1 [L139] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L140] SORT_1 var_31_arg_0 = var_30; [L141] SORT_1 var_31_arg_1 = state_19; [L142] EXPR var_31_arg_0 & var_31_arg_1 [L142] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L143] SORT_1 var_32_arg_0 = var_31; [L144] SORT_1 var_32_arg_1 = ~state_21; [L145] EXPR var_32_arg_1 & mask_SORT_1 [L145] var_32_arg_1 = var_32_arg_1 & mask_SORT_1 [L146] EXPR var_32_arg_0 & var_32_arg_1 [L146] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L147] SORT_1 var_33_arg_0 = var_32; [L148] SORT_1 var_33_arg_1 = ~state_23; [L149] EXPR var_33_arg_1 & mask_SORT_1 [L149] var_33_arg_1 = var_33_arg_1 & mask_SORT_1 [L150] EXPR var_33_arg_0 & var_33_arg_1 [L150] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L151] SORT_3 var_35_arg_0 = var_34; [L152] SORT_3 var_35_arg_1 = state_6; [L153] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L154] SORT_1 var_36_arg_0 = var_33; [L155] SORT_1 var_36_arg_1 = var_35; [L156] EXPR var_36_arg_0 & var_36_arg_1 [L156] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L157] SORT_3 var_38_arg_0 = var_37; [L158] SORT_3 var_38_arg_1 = state_8; [L159] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L160] SORT_1 var_39_arg_0 = var_36; [L161] SORT_1 var_39_arg_1 = var_38; [L162] EXPR var_39_arg_0 & var_39_arg_1 [L162] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L163] SORT_3 var_40_arg_0 = var_37; [L164] SORT_3 var_40_arg_1 = state_10; [L165] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L166] SORT_1 var_41_arg_0 = var_39; [L167] SORT_1 var_41_arg_1 = var_40; [L168] EXPR var_41_arg_0 & var_41_arg_1 [L168] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L169] SORT_1 var_42_arg_0 = state_27; [L170] SORT_1 var_42_arg_1 = var_41; [L171] EXPR var_42_arg_0 & var_42_arg_1 [L171] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L172] EXPR var_42 & mask_SORT_1 [L172] var_42 = var_42 & mask_SORT_1 [L173] SORT_1 bad_43_arg_0 = var_42; [L174] CALL __VERIFIER_assert(!(bad_43_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 20:04:53,477 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...