/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-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-82.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:36:29,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:36:29,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 03:36:29,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:36:29,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:36:29,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:36:29,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:36:29,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:36:29,988 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:36:29,988 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:36:29,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:36:29,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:36:29,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:36:29,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:36:29,990 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:36:29,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:36:29,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:36:29,991 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:36:29,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:36:29,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:36:29,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:36:29,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:36:29,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:36:29,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:36:29,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:36:29,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:36:29,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:36:29,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:36:29,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:36:29,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:36:29,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:36:29,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:36:29,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:36:29,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:36:29,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:36:29,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:36:29,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:36:29,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:36:29,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:36:29,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:36:29,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:36:29,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:36:29,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:36:29,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:36:30,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:36:30,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:36:30,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:36:30,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:36:30,240 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:36:30,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-82.i [2023-12-16 03:36:31,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:36:31,721 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:36:31,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-82.i [2023-12-16 03:36:31,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbff7bf2/abe640410f2941b0b76aad51d57dad43/FLAG1ec23380f [2023-12-16 03:36:31,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbff7bf2/abe640410f2941b0b76aad51d57dad43 [2023-12-16 03:36:31,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:36:31,753 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:36:31,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:36:31,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:36:31,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:36:31,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:36:31" (1/1) ... [2023-12-16 03:36:31,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23772fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:31, skipping insertion in model container [2023-12-16 03:36:31,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:36:31" (1/1) ... [2023-12-16 03:36:31,793 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:36:31,908 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-82.i[916,929] [2023-12-16 03:36:31,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:36:31,951 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:36:31,962 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-82.i[916,929] [2023-12-16 03:36:31,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:36:32,000 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:36:32,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32 WrapperNode [2023-12-16 03:36:32,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:36:32,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:36:32,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:36:32,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:36:32,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,049 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-12-16 03:36:32,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:36:32,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:36:32,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:36:32,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:36:32,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,083 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 03:36:32,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:36:32,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:36:32,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:36:32,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:36:32,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (1/1) ... [2023-12-16 03:36:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:36:32,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:36:32,149 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 03:36:32,168 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 03:36:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:36:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:36:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:36:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:36:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:36:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:36:32,278 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:36:32,280 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:36:32,513 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:36:32,547 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:36:32,547 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:36:32,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:36:32 BoogieIcfgContainer [2023-12-16 03:36:32,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:36:32,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:36:32,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:36:32,553 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:36:32,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:36:31" (1/3) ... [2023-12-16 03:36:32,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1228cb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:36:32, skipping insertion in model container [2023-12-16 03:36:32,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:36:32" (2/3) ... [2023-12-16 03:36:32,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1228cb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:36:32, skipping insertion in model container [2023-12-16 03:36:32,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:36:32" (3/3) ... [2023-12-16 03:36:32,556 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-82.i [2023-12-16 03:36:32,571 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:36:32,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:36:32,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:36:32,617 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;@515919b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:36:32,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:36:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 03:36:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-16 03:36:32,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:36:32,632 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:36:32,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:36:32,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:36:32,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2010685784, now seen corresponding path program 1 times [2023-12-16 03:36:32,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:36:32,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595896281] [2023-12-16 03:36:32,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:32,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:36:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:36:32,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:36:32,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595896281] [2023-12-16 03:36:32,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 03:36:32,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946172887] [2023-12-16 03:36:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:32,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:36:32,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:36:32,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:36:32,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 03:36:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:36:33,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 03:36:33,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:36:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-12-16 03:36:33,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:36:33,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946172887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:36:33,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:36:33,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 03:36:33,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269175880] [2023-12-16 03:36:33,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:36:33,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 03:36:33,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:36:33,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 03:36:33,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:36:33,109 INFO L87 Difference]: Start difference. First operand has 46 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-16 03:36:33,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:36:33,154 INFO L93 Difference]: Finished difference Result 89 states and 156 transitions. [2023-12-16 03:36:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 03:36:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2023-12-16 03:36:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:36:33,164 INFO L225 Difference]: With dead ends: 89 [2023-12-16 03:36:33,164 INFO L226 Difference]: Without dead ends: 44 [2023-12-16 03:36:33,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:36:33,173 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:36:33,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:36:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-16 03:36:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-16 03:36:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 03:36:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 66 transitions. [2023-12-16 03:36:33,215 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 66 transitions. Word has length 99 [2023-12-16 03:36:33,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:36:33,216 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 66 transitions. [2023-12-16 03:36:33,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-16 03:36:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-12-16 03:36:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-16 03:36:33,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:36:33,221 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:36:33,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 03:36:33,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 03:36:33,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:36:33,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:36:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1212038824, now seen corresponding path program 1 times [2023-12-16 03:36:33,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:36:33,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128668805] [2023-12-16 03:36:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:33,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:36:33,472 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:36:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195222206] [2023-12-16 03:36:33,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:33,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:36:33,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:36:33,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:36:33,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 03:36:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:36:33,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 03:36:33,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:36:33,801 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-12-16 03:36:33,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:36:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 03:36:33,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:36:33,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128668805] [2023-12-16 03:36:33,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:36:33,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195222206] [2023-12-16 03:36:33,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195222206] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 03:36:33,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 03:36:33,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-16 03:36:33,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632484578] [2023-12-16 03:36:33,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:36:33,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 03:36:33,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:36:33,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 03:36:33,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-16 03:36:33,949 INFO L87 Difference]: Start difference. First operand 44 states and 66 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-16 03:36:34,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:36:34,050 INFO L93 Difference]: Finished difference Result 114 states and 169 transitions. [2023-12-16 03:36:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 03:36:34,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99 [2023-12-16 03:36:34,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:36:34,054 INFO L225 Difference]: With dead ends: 114 [2023-12-16 03:36:34,055 INFO L226 Difference]: Without dead ends: 71 [2023-12-16 03:36:34,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-16 03:36:34,058 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 40 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:36:34,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 170 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:36:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-16 03:36:34,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2023-12-16 03:36:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-16 03:36:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 101 transitions. [2023-12-16 03:36:34,086 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 101 transitions. Word has length 99 [2023-12-16 03:36:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:36:34,088 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 101 transitions. [2023-12-16 03:36:34,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-16 03:36:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2023-12-16 03:36:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-16 03:36:34,094 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:36:34,094 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:36:34,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 03:36:34,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 03:36:34,302 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:36:34,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:36:34,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1892097194, now seen corresponding path program 1 times [2023-12-16 03:36:34,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:36:34,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405050559] [2023-12-16 03:36:34,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:34,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:36:34,353 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:36:34,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962297519] [2023-12-16 03:36:34,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:34,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:36:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:36:34,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:36:34,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 03:36:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 03:36:34,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 03:36:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 03:36:34,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 03:36:34,584 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 03:36:34,585 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:36:34,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 03:36:34,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:36:34,797 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 03:36:34,800 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:36:34,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:36:34 BoogieIcfgContainer [2023-12-16 03:36:34,889 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:36:34,890 INFO L158 Benchmark]: Toolchain (without parser) took 3136.42ms. Allocated memory is still 299.9MB. Free memory was 252.4MB in the beginning and 167.0MB in the end (delta: 85.4MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2023-12-16 03:36:34,890 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 207.6MB. Free memory was 154.6MB in the beginning and 154.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:36:34,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.64ms. Allocated memory is still 299.9MB. Free memory was 252.4MB in the beginning and 239.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 03:36:34,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.85ms. Allocated memory is still 299.9MB. Free memory was 239.3MB in the beginning and 236.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 03:36:34,892 INFO L158 Benchmark]: Boogie Preprocessor took 47.59ms. Allocated memory is still 299.9MB. Free memory was 236.2MB in the beginning and 231.5MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 03:36:34,892 INFO L158 Benchmark]: RCFGBuilder took 449.22ms. Allocated memory is still 299.9MB. Free memory was 231.5MB in the beginning and 211.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 03:36:34,893 INFO L158 Benchmark]: TraceAbstraction took 2339.31ms. Allocated memory is still 299.9MB. Free memory was 210.5MB in the beginning and 167.0MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2023-12-16 03:36:34,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 207.6MB. Free memory was 154.6MB in the beginning and 154.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 245.64ms. Allocated memory is still 299.9MB. Free memory was 252.4MB in the beginning and 239.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.85ms. Allocated memory is still 299.9MB. Free memory was 239.3MB in the beginning and 236.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.59ms. Allocated memory is still 299.9MB. Free memory was 236.2MB in the beginning and 231.5MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 449.22ms. Allocated memory is still 299.9MB. Free memory was 231.5MB in the beginning and 211.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2339.31ms. Allocated memory is still 299.9MB. Free memory was 210.5MB in the beginning and 167.0MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. 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: 19]: 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: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 128; [L23] unsigned char var_1_2 = 1; [L24] signed long int var_1_3 = 63; [L25] signed long int var_1_4 = 255; [L26] unsigned char var_1_5 = 32; [L27] unsigned char var_1_9 = 25; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 16; [L30] unsigned char var_1_12 = 2; [L31] unsigned char var_1_14 = 5; [L32] unsigned char var_1_15 = 10; [L33] signed long int var_1_16 = 3; [L34] unsigned char var_1_17 = 0; [L35] signed long int var_1_18 = 255; [L36] unsigned char last_1_var_1_5 = 32; [L37] unsigned char last_1_var_1_12 = 2; [L38] unsigned char last_1_var_1_17 = 0; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L96] last_1_var_1_5 = var_1_5 [L97] last_1_var_1_12 = var_1_12 [L98] last_1_var_1_17 = var_1_17 [L108] RET updateLastVariables() [L109] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_3=63, var_1_4=255, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_3=63, var_1_4=255, var_1_5=32, var_1_9=25] [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_3=63, var_1_4=255, var_1_5=32, var_1_9=25] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=63, var_1_4=255, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=63, var_1_4=255, var_1_5=32, var_1_9=25] [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=63, var_1_4=255, var_1_5=32, var_1_9=25] [L73] var_1_3 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=255, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=255, var_1_5=32, var_1_9=25] [L74] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=255, var_1_5=32, var_1_9=25] [L75] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=255, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=255, var_1_5=32, var_1_9=25] [L75] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=255, var_1_5=32, var_1_9=25] [L76] var_1_4 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=25] [L77] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=25] [L78] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=25] [L78] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=25] [L79] var_1_9 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32] [L80] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32] [L81] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L81] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L83] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L84] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L84] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L87] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L87] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L90] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L90] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=10, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L91] var_1_15 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L92] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L93] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=127, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=127, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L93] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=127, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=32, var_1_9=128] [L109] RET updateVariables() [L110] CALL step() [L42] EXPR last_1_var_1_17 | last_1_var_1_12 [L42] signed long int stepLocal_0 = last_1_var_1_17 | last_1_var_1_12; [L43] COND FALSE !((last_1_var_1_5 / -2) >= stepLocal_0) [L46] var_1_5 = (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, stepLocal_0=-15, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=127, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] [L48] COND FALSE !(! var_1_2) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, stepLocal_0=-15, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=127, var_1_16=3, var_1_17=0, var_1_18=255, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] [L53] var_1_16 = var_1_4 [L54] var_1_17 = var_1_9 [L55] var_1_18 = var_1_3 [L56] unsigned char stepLocal_1 = var_1_9; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, stepLocal_0=-15, stepLocal_1=128, var_1_10=127, var_1_11=127, var_1_12=2, var_1_14=254, var_1_15=127, var_1_16=2147483647, var_1_17=128, var_1_18=-2147483648, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] [L57] COND FALSE !((var_1_5 + var_1_11) >= stepLocal_1) [L66] var_1_12 = var_1_9 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, stepLocal_0=-15, stepLocal_1=128, var_1_10=127, var_1_11=127, var_1_12=128, var_1_14=254, var_1_15=127, var_1_16=2147483647, var_1_17=128, var_1_18=-2147483648, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR ((! var_1_2) ? (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))) [L101] EXPR last_1_var_1_17 | last_1_var_1_12 [L101] EXPR ((! var_1_2) ? (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=128, var_1_14=254, var_1_15=127, var_1_16=2147483647, var_1_17=128, var_1_18=-2147483648, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] [L101-L102] return ((((((! var_1_2) ? (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) && (((var_1_5 + var_1_11) >= var_1_9) ? ((((((var_1_4) > ((var_1_1 * var_1_3))) ? (var_1_4) : ((var_1_1 * var_1_3)))) <= var_1_1) ? (var_1_12 == ((unsigned char) ((((var_1_11) > (var_1_14)) ? (var_1_11) : (var_1_14))))) : (var_1_2 ? (var_1_12 == ((unsigned char) (var_1_11 + var_1_15))) : 1)) : (var_1_12 == ((unsigned char) var_1_9)))) && (var_1_16 == ((signed long int) var_1_4))) && (var_1_17 == ((unsigned char) var_1_9))) && (var_1_18 == ((signed long int) var_1_3)) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=128, var_1_14=254, var_1_15=127, var_1_16=2147483647, var_1_17=128, var_1_18=-2147483648, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=127, var_1_11=127, var_1_12=128, var_1_14=254, var_1_15=127, var_1_16=2147483647, var_1_17=128, var_1_18=-2147483648, var_1_1=128, var_1_2=1, var_1_3=-2147483648, var_1_4=2147483647, var_1_5=0, var_1_9=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 130 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 540 SizeOfPredicates, 6 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1416/1440 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 03:36:34,913 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...