/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.loyd.3.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:39:16,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:39:16,201 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 20:39:16,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:39:16,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:39:16,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:39:16,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:39:16,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:39:16,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:39:16,235 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:39:16,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:39:16,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:39:16,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:39:16,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:39:16,237 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:39:16,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:39:16,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:39:16,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:39:16,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:39:16,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:39:16,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:39:16,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:39:16,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:39:16,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:39:16,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:39:16,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:39:16,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:39:16,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:39:16,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:39:16,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:39:16,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:39:16,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:39:16,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:39:16,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:39:16,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:39:16,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:39:16,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:39:16,476 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:39:16,476 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:39:16,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-16 20:39:17,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:39:17,875 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:39:17,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-16 20:39:17,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d4b6ee7a/3a649431fca84c699a566472f3b386b4/FLAG69079bde3 [2023-12-16 20:39:17,896 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d4b6ee7a/3a649431fca84c699a566472f3b386b4 [2023-12-16 20:39:17,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:39:17,899 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:39:17,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:39:17,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:39:17,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:39:17,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:39:17" (1/1) ... [2023-12-16 20:39:17,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a234d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:17, skipping insertion in model container [2023-12-16 20:39:17,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:39:17" (1/1) ... [2023-12-16 20:39:17,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:39:18,104 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.loyd.3.prop1-func-interl.c[1171,1184] [2023-12-16 20:39:18,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:39:18,318 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:39:18,332 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.loyd.3.prop1-func-interl.c[1171,1184] [2023-12-16 20:39:18,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:39:18,432 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:39:18,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18 WrapperNode [2023-12-16 20:39:18,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:39:18,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:39:18,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:39:18,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:39:18,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,564 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2260 [2023-12-16 20:39:18,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:39:18,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:39:18,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:39:18,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:39:18,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,622 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 20:39:18,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:39:18,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:39:18,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:39:18,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:39:18,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (1/1) ... [2023-12-16 20:39:18,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:39:18,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:39:18,740 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 20:39:18,744 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 20:39:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:39:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:39:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:39:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:39:19,025 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:39:19,026 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:39:24,959 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:39:25,033 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:39:25,033 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:39:25,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:39:25 BoogieIcfgContainer [2023-12-16 20:39:25,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:39:25,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:39:25,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:39:25,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:39:25,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:39:17" (1/3) ... [2023-12-16 20:39:25,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130fcf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:39:25, skipping insertion in model container [2023-12-16 20:39:25,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:18" (2/3) ... [2023-12-16 20:39:25,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130fcf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:39:25, skipping insertion in model container [2023-12-16 20:39:25,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:39:25" (3/3) ... [2023-12-16 20:39:25,043 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-16 20:39:25,057 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:39:25,058 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:39:25,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:39:25,112 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;@6076be5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:39:25,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:39:25,116 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 20:39:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:39:25,125 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:39:25,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:39:25,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:39:25,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:39:25,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:39:25,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:39:25,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135272183] [2023-12-16 20:39:25,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:39:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:39:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:39:25,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:39:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:39:25,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:39:25,400 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:39:25,401 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:39:25,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:39:25,409 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:39:25,414 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:39:25,440 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:39:25,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:39:25 BoogieIcfgContainer [2023-12-16 20:39:25,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:39:25,460 INFO L158 Benchmark]: Toolchain (without parser) took 7559.75ms. Allocated memory was 316.7MB in the beginning and 410.0MB in the end (delta: 93.3MB). Free memory was 258.0MB in the beginning and 176.5MB in the end (delta: 81.4MB). Peak memory consumption was 175.3MB. Max. memory is 8.0GB. [2023-12-16 20:39:25,460 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory was 151.9MB in the beginning and 151.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:39:25,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.55ms. Allocated memory is still 316.7MB. Free memory was 257.7MB in the beginning and 246.5MB in the end (delta: 11.2MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-16 20:39:25,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.38ms. Allocated memory is still 316.7MB. Free memory was 246.5MB in the beginning and 227.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 20:39:25,465 INFO L158 Benchmark]: Boogie Preprocessor took 142.95ms. Allocated memory is still 316.7MB. Free memory was 227.1MB in the beginning and 207.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 20:39:25,465 INFO L158 Benchmark]: RCFGBuilder took 6326.82ms. Allocated memory was 316.7MB in the beginning and 410.0MB in the end (delta: 93.3MB). Free memory was 207.7MB in the beginning and 213.2MB in the end (delta: -5.5MB). Peak memory consumption was 151.8MB. Max. memory is 8.0GB. [2023-12-16 20:39:25,465 INFO L158 Benchmark]: TraceAbstraction took 420.70ms. Allocated memory is still 410.0MB. Free memory was 212.7MB in the beginning and 176.5MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-12-16 20:39:25,467 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 203.4MB. Free memory was 151.9MB in the beginning and 151.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 533.55ms. Allocated memory is still 316.7MB. Free memory was 257.7MB in the beginning and 246.5MB in the end (delta: 11.2MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 130.38ms. Allocated memory is still 316.7MB. Free memory was 246.5MB in the beginning and 227.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 142.95ms. Allocated memory is still 316.7MB. Free memory was 227.1MB in the beginning and 207.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * RCFGBuilder took 6326.82ms. Allocated memory was 316.7MB in the beginning and 410.0MB in the end (delta: 93.3MB). Free memory was 207.7MB in the beginning and 213.2MB in the end (delta: -5.5MB). Peak memory consumption was 151.8MB. Max. memory is 8.0GB. * TraceAbstraction took 420.70ms. Allocated memory is still 410.0MB. Free memory was 212.7MB in the beginning and 176.5MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. 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 130. 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 - 8) [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] EXPR (SORT_2)1 << (8 - 1) [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 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_2 var_5 = 0; [L39] const SORT_1 var_34 = 0; [L40] const SORT_4 var_46 = 0; [L41] const SORT_3 var_47 = 0; [L42] const SORT_4 var_49 = 4; [L43] const SORT_4 var_54 = 1; [L44] const SORT_2 var_61 = 0; [L45] const SORT_2 var_63 = 1; [L46] const SORT_4 var_65 = 2; [L47] const SORT_2 var_67 = 2; [L48] const SORT_4 var_69 = 3; [L49] const SORT_2 var_71 = 3; [L50] const SORT_2 var_74 = 4; [L51] const SORT_4 var_76 = 5; [L52] const SORT_2 var_78 = 5; [L53] const SORT_4 var_80 = 6; [L54] const SORT_2 var_82 = 6; [L55] const SORT_4 var_84 = 7; [L56] const SORT_2 var_86 = 7; [L57] const SORT_4 var_88 = 8; [L58] const SORT_2 var_90 = 8; [L59] const SORT_4 var_92 = 9; [L60] const SORT_2 var_94 = 9; [L61] const SORT_4 var_96 = 10; [L62] const SORT_2 var_98 = 10; [L63] const SORT_2 var_100 = 11; [L64] const SORT_4 var_392 = 11; [L66] SORT_1 input_45; [L67] SORT_1 input_114; [L68] SORT_1 input_143; [L69] SORT_1 input_170; [L70] SORT_1 input_429; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L72] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L73] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L74] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L75] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_2 init_7_arg_1 = var_5; [L92] state_6 = init_7_arg_1 [L93] SORT_2 init_9_arg_1 = var_5; [L94] state_8 = init_9_arg_1 [L95] SORT_2 init_11_arg_1 = var_5; [L96] state_10 = init_11_arg_1 [L97] SORT_2 init_13_arg_1 = var_5; [L98] state_12 = init_13_arg_1 [L99] SORT_2 init_15_arg_1 = var_5; [L100] state_14 = init_15_arg_1 [L101] SORT_2 init_17_arg_1 = var_5; [L102] state_16 = init_17_arg_1 [L103] SORT_2 init_19_arg_1 = var_5; [L104] state_18 = init_19_arg_1 [L105] SORT_2 init_21_arg_1 = var_5; [L106] state_20 = init_21_arg_1 [L107] SORT_2 init_23_arg_1 = var_5; [L108] state_22 = init_23_arg_1 [L109] SORT_2 init_25_arg_1 = var_5; [L110] state_24 = init_25_arg_1 [L111] SORT_2 init_27_arg_1 = var_5; [L112] state_26 = init_27_arg_1 [L113] SORT_2 init_29_arg_1 = var_5; [L114] state_28 = init_29_arg_1 [L115] SORT_2 init_31_arg_1 = var_5; [L116] state_30 = init_31_arg_1 [L117] SORT_2 init_33_arg_1 = var_5; [L118] state_32 = init_33_arg_1 [L119] SORT_1 init_36_arg_1 = var_34; [L120] state_35 = init_36_arg_1 [L121] SORT_1 init_38_arg_1 = var_34; [L122] state_37 = init_38_arg_1 [L123] SORT_1 init_40_arg_1 = var_34; [L124] state_39 = init_40_arg_1 [L125] SORT_1 init_42_arg_1 = var_34; [L126] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=0, mask_SORT_2=0, msb_SORT_1=0, msb_SORT_2=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_100=11, var_34=0, var_392=11, var_46=0, var_47=0, var_49=4, var_54=1, var_5=0, var_61=0, var_63=1, var_65=2, var_67=2, var_69=3, var_71=3, var_74=4, var_76=5, var_78=5, var_80=6, var_82=6, var_84=7, var_86=7, var_88=8, var_90=8, var_92=9, var_94=9, var_96=10, var_98=10] [L129] input_45 = __VERIFIER_nondet_uchar() [L130] EXPR input_45 & mask_SORT_1 [L130] input_45 = input_45 & mask_SORT_1 [L131] input_114 = __VERIFIER_nondet_uchar() [L132] EXPR input_114 & mask_SORT_1 [L132] input_114 = input_114 & mask_SORT_1 [L133] input_143 = __VERIFIER_nondet_uchar() [L134] EXPR input_143 & mask_SORT_1 [L134] input_143 = input_143 & mask_SORT_1 [L135] input_170 = __VERIFIER_nondet_uchar() [L136] EXPR input_170 & mask_SORT_1 [L136] input_170 = input_170 & mask_SORT_1 [L137] input_429 = __VERIFIER_nondet_uchar() [L140] SORT_1 var_43_arg_0 = state_39; [L141] SORT_1 var_43_arg_1 = ~state_41; [L142] EXPR var_43_arg_1 & mask_SORT_1 [L142] var_43_arg_1 = var_43_arg_1 & mask_SORT_1 [L143] EXPR var_43_arg_0 & var_43_arg_1 [L143] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L144] EXPR var_43 & mask_SORT_1 [L144] var_43 = var_43 & mask_SORT_1 [L145] SORT_1 bad_44_arg_0 = var_43; [L146] CALL __VERIFIER_assert(!(bad_44_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 20:39:25,527 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...