/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_loopvsstraightlinecode_25-1loop_file-56.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 22:57:47,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 22:57:47,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 22:57:47,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 22:57:47,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 22:57:47,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 22:57:47,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 22:57:47,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 22:57:47,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 22:57:47,747 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 22:57:47,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 22:57:47,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 22:57:47,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 22:57:47,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 22:57:47,749 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 22:57:47,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 22:57:47,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 22:57:47,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 22:57:47,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 22:57:47,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 22:57:47,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 22:57:47,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 22:57:47,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 22:57:47,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 22:57:47,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 22:57:47,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 22:57:47,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 22:57:47,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 22:57:47,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 22:57:47,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 22:57:47,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 22:57:47,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 22:57:47,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:57:47,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 22:57:47,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 22:57:47,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 22:57:47,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 22:57:47,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 22:57:47,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 22:57:47,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 22:57:47,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 22:57:47,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 22:57:47,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 22:57:47,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 22:57:47,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 22:57:47,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 22:57:47,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 22:57:47,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 22:57:47,907 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 22:57:47,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i [2023-12-20 22:57:48,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 22:57:49,063 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 22:57:49,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i [2023-12-20 22:57:49,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6121441/af5a591a58054a34950a1a8ca6e01b93/FLAG154cf89aa [2023-12-20 22:57:49,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6121441/af5a591a58054a34950a1a8ca6e01b93 [2023-12-20 22:57:49,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 22:57:49,088 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 22:57:49,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 22:57:49,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 22:57:49,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 22:57:49,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1901246d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49, skipping insertion in model container [2023-12-20 22:57:49,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 22:57:49,218 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_loopvsstraightlinecode_25-1loop_file-56.i[915,928] [2023-12-20 22:57:49,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:57:49,257 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 22:57:49,265 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_loopvsstraightlinecode_25-1loop_file-56.i[915,928] [2023-12-20 22:57:49,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:57:49,287 INFO L206 MainTranslator]: Completed translation [2023-12-20 22:57:49,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49 WrapperNode [2023-12-20 22:57:49,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 22:57:49,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 22:57:49,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 22:57:49,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 22:57:49,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,351 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2023-12-20 22:57:49,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 22:57:49,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 22:57:49,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 22:57:49,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 22:57:49,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,372 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]. [2023-12-20 22:57:49,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 22:57:49,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 22:57:49,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 22:57:49,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 22:57:49,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (1/1) ... [2023-12-20 22:57:49,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:57:49,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:57:49,441 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) [2023-12-20 22:57:49,466 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 [2023-12-20 22:57:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 22:57:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 22:57:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 22:57:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 22:57:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 22:57:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 22:57:49,544 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 22:57:49,546 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 22:57:49,805 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 22:57:49,844 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 22:57:49,844 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 22:57:49,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:57:49 BoogieIcfgContainer [2023-12-20 22:57:49,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 22:57:49,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 22:57:49,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 22:57:49,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 22:57:49,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 10:57:49" (1/3) ... [2023-12-20 22:57:49,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449160a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:57:49, skipping insertion in model container [2023-12-20 22:57:49,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:57:49" (2/3) ... [2023-12-20 22:57:49,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449160a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:57:49, skipping insertion in model container [2023-12-20 22:57:49,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:57:49" (3/3) ... [2023-12-20 22:57:49,855 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-56.i [2023-12-20 22:57:49,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 22:57:49,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 22:57:49,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 22:57:49,906 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;@58179693, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 22:57:49,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 22:57:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-20 22:57:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-20 22:57:49,931 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:57:49,931 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2023-12-20 22:57:49,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:57:49,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:57:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1980098485, now seen corresponding path program 1 times [2023-12-20 22:57:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:57:49,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014860132] [2023-12-20 22:57:49,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:57:49,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:57:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:57:50,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:57:50,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014860132] [2023-12-20 22:57:50,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 22:57:50,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842995952] [2023-12-20 22:57:50,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:57:50,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:57:50,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:57:50,103 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) [2023-12-20 22:57:50,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 22:57:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:57:50,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 22:57:50,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:57:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-20 22:57:50,218 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 22:57:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842995952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:57:50,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:57:50,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 22:57:50,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772927466] [2023-12-20 22:57:50,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:57:50,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 22:57:50,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:57:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 22:57:50,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:57:50,241 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-20 22:57:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:57:50,263 INFO L93 Difference]: Finished difference Result 69 states and 113 transitions. [2023-12-20 22:57:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 22:57:50,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2023-12-20 22:57:50,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:57:50,269 INFO L225 Difference]: With dead ends: 69 [2023-12-20 22:57:50,269 INFO L226 Difference]: Without dead ends: 33 [2023-12-20 22:57:50,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:57:50,273 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 22:57:50,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 22:57:50,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-12-20 22:57:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-12-20 22:57:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-20 22:57:50,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2023-12-20 22:57:50,298 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 65 [2023-12-20 22:57:50,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:57:50,299 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2023-12-20 22:57:50,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-20 22:57:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2023-12-20 22:57:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-20 22:57:50,303 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:57:50,303 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2023-12-20 22:57:50,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 22:57:50,507 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 [2023-12-20 22:57:50,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:57:50,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:57:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash 955276917, now seen corresponding path program 1 times [2023-12-20 22:57:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:57:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165014661] [2023-12-20 22:57:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:57:50,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:57:50,549 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:57:50,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005496056] [2023-12-20 22:57:50,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:57:50,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:57:50,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:57:50,563 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) [2023-12-20 22:57:50,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 22:57:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 22:57:50,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 22:57:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 22:57:50,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 22:57:50,753 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 22:57:50,753 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 22:57:50,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 22:57:50,955 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 [2023-12-20 22:57:50,958 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-20 22:57:50,961 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 22:57:51,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 10:57:51 BoogieIcfgContainer [2023-12-20 22:57:51,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 22:57:51,015 INFO L158 Benchmark]: Toolchain (without parser) took 1926.57ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 132.3MB in the beginning and 131.7MB in the end (delta: 624.0kB). Peak memory consumption was 41.5MB. Max. memory is 8.0GB. [2023-12-20 22:57:51,015 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 195.0MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 22:57:51,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.82ms. Allocated memory is still 195.0MB. Free memory was 132.3MB in the beginning and 119.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-20 22:57:51,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.57ms. Allocated memory is still 195.0MB. Free memory was 119.7MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 22:57:51,016 INFO L158 Benchmark]: Boogie Preprocessor took 39.69ms. Allocated memory is still 195.0MB. Free memory was 116.5MB in the beginning and 111.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-20 22:57:51,017 INFO L158 Benchmark]: RCFGBuilder took 453.19ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 111.6MB in the beginning and 183.0MB in the end (delta: -71.5MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2023-12-20 22:57:51,017 INFO L158 Benchmark]: TraceAbstraction took 1168.49ms. Allocated memory is still 234.9MB. Free memory was 182.5MB in the beginning and 131.7MB in the end (delta: 50.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2023-12-20 22:57:51,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 195.0MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 198.82ms. Allocated memory is still 195.0MB. Free memory was 132.3MB in the beginning and 119.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.57ms. Allocated memory is still 195.0MB. Free memory was 119.7MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.69ms. Allocated memory is still 195.0MB. Free memory was 116.5MB in the beginning and 111.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 453.19ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 111.6MB in the beginning and 183.0MB in the end (delta: -71.5MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1168.49ms. Allocated memory is still 234.9MB. Free memory was 182.5MB in the beginning and 131.7MB in the end (delta: 50.9MB). Peak memory consumption was 51.4MB. 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 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 0; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_6 = 16; [L26] unsigned char var_1_7 = 2; [L27] unsigned long int var_1_8 = 1000000; [L28] unsigned long int var_1_10 = 2131342500; [L29] unsigned short int var_1_11 = 0; [L30] signed short int var_1_12 = -4; [L31] unsigned char last_1_var_1_1 = 1; [L32] unsigned short int last_1_var_1_11 = 0; [L83] isInitial = 1 [L84] FCALL initially() [L85] int k_loop; [L86] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=0, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L86] COND TRUE k_loop < 1 [L87] CALL updateLastVariables() [L75] last_1_var_1_1 = var_1_1 [L76] last_1_var_1_11 = var_1_11 [L87] RET updateLastVariables() [L88] CALL updateVariables() [L58] var_1_3 = __VERIFIER_nondet_char() [L59] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L59] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L60] CALL assume_abort_if_not(var_1_3 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L60] RET assume_abort_if_not(var_1_3 <= 16) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=1000000] [L61] var_1_5 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=1000000] [L62] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=1000000] [L63] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=1000000] [L63] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=1000000] [L64] var_1_6 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_7=2, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_7=2, var_1_8=1000000] [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_7=2, var_1_8=1000000] [L66] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=2, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=2, var_1_8=1000000] [L66] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=2, var_1_8=1000000] [L67] var_1_7 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_8=1000000] [L68] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_8=1000000] [L69] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L69] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=2131342500, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L70] var_1_10 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_10 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L71] RET assume_abort_if_not(var_1_10 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L72] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L72] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L88] RET updateVariables() [L89] CALL step() [L36] EXPR last_1_var_1_11 >> var_1_3 VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=1, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L36] COND TRUE (last_1_var_1_11 >> var_1_3) >= last_1_var_1_1 [L37] var_1_1 = ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=-4, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L41] var_1_12 = var_1_1 [L42] signed long int stepLocal_3 = 25 + (var_1_12 * var_1_6); [L43] unsigned long int stepLocal_2 = var_1_10; VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, stepLocal_2=1073741823, stepLocal_3=265, var_1_10=1073741823, var_1_11=0, var_1_12=16, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L44] COND FALSE !((var_1_1 % var_1_5) > stepLocal_2) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, stepLocal_2=1073741823, stepLocal_3=265, var_1_10=1073741823, var_1_11=0, var_1_12=16, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L49] signed long int stepLocal_1 = 8 + var_1_11; [L50] signed char stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, stepLocal_0=16, stepLocal_1=8, stepLocal_2=1073741823, stepLocal_3=265, var_1_10=1073741823, var_1_11=0, var_1_12=16, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L51] COND FALSE !(var_1_11 >= stepLocal_1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, stepLocal_0=16, stepLocal_1=8, stepLocal_2=1073741823, stepLocal_3=265, var_1_10=1073741823, var_1_11=0, var_1_12=16, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L89] RET step() [L90] CALL, EXPR property() [L79] EXPR last_1_var_1_11 >> var_1_3 [L79-L80] return (((((last_1_var_1_11 >> var_1_3) >= last_1_var_1_1) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_11 >= (8 + var_1_11)) ? ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned long int) ((var_1_10 - var_1_5) + var_1_11))) : 1) : 1)) && (((var_1_1 % var_1_5) > var_1_10) ? (((25 + (var_1_12 * var_1_6)) >= var_1_5) ? (var_1_11 == ((unsigned short int) var_1_7)) : 1) : 1)) && (var_1_12 == ((signed short int) var_1_1)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=16, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=0, last_1_var_1_1=1, var_1_10=1073741823, var_1_11=0, var_1_12=16, var_1_1=16, var_1_3=16, var_1_5=127, var_1_6=15, var_1_7=111, var_1_8=1000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 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 [2023-12-20 22:57:51,044 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...