/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 12:36:50,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 12:36:50,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 12:36:50,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 12:36:50,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 12:36:50,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 12:36:50,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 12:36:50,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 12:36:50,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 12:36:50,969 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 12:36:50,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 12:36:50,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 12:36:50,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 12:36:50,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 12:36:50,971 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 12:36:50,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 12:36:50,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 12:36:50,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 12:36:50,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 12:36:50,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 12:36:50,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 12:36:50,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 12:36:50,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 12:36:50,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 12:36:50,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 12:36:50,974 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 12:36:50,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 12:36:50,974 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 12:36:50,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 12:36:50,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 12:36:50,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 12:36:50,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 12:36:50,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 12:36:50,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 12:36:50,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 12:36:50,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 12:36:50,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 12:36:50,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 12:36:50,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 12:36:50,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 12:36:50,977 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 12:36:50,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 12:36:50,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 12:36:50,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 12:36:51,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 12:36:51,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 12:36:51,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 12:36:51,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 12:36:51,197 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 12:36:51,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2023-12-19 12:36:52,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 12:36:52,310 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 12:36:52,311 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2023-12-19 12:36:52,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a1b9792/76afa96e44d14505a2bdc716c3274773/FLAG63d230088 [2023-12-19 12:36:52,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a1b9792/76afa96e44d14505a2bdc716c3274773 [2023-12-19 12:36:52,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 12:36:52,332 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 12:36:52,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 12:36:52,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 12:36:52,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 12:36:52,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2bcd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52, skipping insertion in model container [2023-12-19 12:36:52,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 12:36:52,478 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_operatoramount_amount10_file-76.i[915,928] [2023-12-19 12:36:52,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 12:36:52,531 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 12:36:52,540 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_operatoramount_amount10_file-76.i[915,928] [2023-12-19 12:36:52,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 12:36:52,574 INFO L206 MainTranslator]: Completed translation [2023-12-19 12:36:52,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52 WrapperNode [2023-12-19 12:36:52,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 12:36:52,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 12:36:52,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 12:36:52,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 12:36:52,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,614 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2023-12-19 12:36:52,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 12:36:52,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 12:36:52,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 12:36:52,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 12:36:52,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,639 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]. [2023-12-19 12:36:52,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 12:36:52,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 12:36:52,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 12:36:52,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 12:36:52,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (1/1) ... [2023-12-19 12:36:52,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 12:36:52,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:36:52,681 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) [2023-12-19 12:36:52,710 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 [2023-12-19 12:36:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 12:36:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 12:36:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 12:36:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 12:36:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 12:36:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 12:36:52,775 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 12:36:52,778 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 12:36:52,941 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 12:36:52,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 12:36:52,966 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 12:36:52,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:36:52 BoogieIcfgContainer [2023-12-19 12:36:52,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 12:36:52,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 12:36:52,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 12:36:52,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 12:36:52,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 12:36:52" (1/3) ... [2023-12-19 12:36:52,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787ad78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 12:36:52, skipping insertion in model container [2023-12-19 12:36:52,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:52" (2/3) ... [2023-12-19 12:36:52,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787ad78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 12:36:52, skipping insertion in model container [2023-12-19 12:36:52,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:36:52" (3/3) ... [2023-12-19 12:36:52,972 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-76.i [2023-12-19 12:36:52,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 12:36:52,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 12:36:53,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 12:36:53,018 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;@2450f50f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 12:36:53,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 12:36:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 12:36:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-19 12:36:53,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:36:53,028 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-12-19 12:36:53,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:36:53,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:36:53,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1692738125, now seen corresponding path program 1 times [2023-12-19 12:36:53,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:36:53,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34029890] [2023-12-19 12:36:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:36:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:36:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 12:36:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 12:36:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 12:36:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 12:36:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 12:36:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-19 12:36:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 12:36:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 12:36:53,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:36:53,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34029890] [2023-12-19 12:36:53,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34029890] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:36:53,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:36:53,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 12:36:53,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484971490] [2023-12-19 12:36:53,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:36:53,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 12:36:53,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:36:53,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 12:36:53,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 12:36:53,308 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-19 12:36:53,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:36:53,347 INFO L93 Difference]: Finished difference Result 51 states and 81 transitions. [2023-12-19 12:36:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 12:36:53,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-12-19 12:36:53,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:36:53,354 INFO L225 Difference]: With dead ends: 51 [2023-12-19 12:36:53,354 INFO L226 Difference]: Without dead ends: 25 [2023-12-19 12:36:53,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 12:36:53,360 INFO L413 NwaCegarLoop]: 30 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, 30 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 [2023-12-19 12:36:53,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 12:36:53,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-12-19 12:36:53,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-12-19 12:36:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 12:36:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2023-12-19 12:36:53,390 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 47 [2023-12-19 12:36:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:36:53,391 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-12-19 12:36:53,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-19 12:36:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-19 12:36:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-19 12:36:53,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:36:53,394 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-12-19 12:36:53,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 12:36:53,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:36:53,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:36:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1148317523, now seen corresponding path program 1 times [2023-12-19 12:36:53,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:36:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179124291] [2023-12-19 12:36:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:36:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:36:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 12:36:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 12:36:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 12:36:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 12:36:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 12:36:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-19 12:36:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 12:36:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 12:36:53,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:36:53,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179124291] [2023-12-19 12:36:53,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179124291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:36:53,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:36:53,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 12:36:53,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781336794] [2023-12-19 12:36:53,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:36:53,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 12:36:53,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:36:53,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 12:36:53,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 12:36:53,759 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 12:36:53,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:36:53,816 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2023-12-19 12:36:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 12:36:53,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 47 [2023-12-19 12:36:53,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:36:53,817 INFO L225 Difference]: With dead ends: 49 [2023-12-19 12:36:53,818 INFO L226 Difference]: Without dead ends: 25 [2023-12-19 12:36:53,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 12:36:53,819 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 12:36:53,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 28 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 12:36:53,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-12-19 12:36:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-12-19 12:36:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 12:36:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2023-12-19 12:36:53,830 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 47 [2023-12-19 12:36:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:36:53,831 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-12-19 12:36:53,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 12:36:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-19 12:36:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-19 12:36:53,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:36:53,833 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-12-19 12:36:53,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 12:36:53,833 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:36:53,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:36:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1148377105, now seen corresponding path program 1 times [2023-12-19 12:36:53,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:36:53,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179006704] [2023-12-19 12:36:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:36:53,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:36:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 12:36:53,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 12:36:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 12:36:53,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 12:36:53,914 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 12:36:53,915 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 12:36:53,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 12:36:53,919 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-19 12:36:53,921 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 12:36:53,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 12:36:53 BoogieIcfgContainer [2023-12-19 12:36:53,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 12:36:53,956 INFO L158 Benchmark]: Toolchain (without parser) took 1624.37ms. Allocated memory is still 187.7MB. Free memory was 143.6MB in the beginning and 132.3MB in the end (delta: 11.4MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2023-12-19 12:36:53,956 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 187.7MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 12:36:53,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.69ms. Allocated memory is still 187.7MB. Free memory was 143.6MB in the beginning and 132.0MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-19 12:36:53,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.29ms. Allocated memory is still 187.7MB. Free memory was 132.0MB in the beginning and 130.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 12:36:53,957 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 187.7MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 12:36:53,957 INFO L158 Benchmark]: RCFGBuilder took 307.39ms. Allocated memory is still 187.7MB. Free memory was 127.9MB in the beginning and 114.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-19 12:36:53,958 INFO L158 Benchmark]: TraceAbstraction took 987.86ms. Allocated memory is still 187.7MB. Free memory was 113.2MB in the beginning and 132.3MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 12:36:53,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 187.7MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 240.69ms. Allocated memory is still 187.7MB. Free memory was 143.6MB in the beginning and 132.0MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.29ms. Allocated memory is still 187.7MB. Free memory was 132.0MB in the beginning and 130.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 187.7MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 307.39ms. Allocated memory is still 187.7MB. Free memory was 127.9MB in the beginning and 114.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 987.86ms. Allocated memory is still 187.7MB. Free memory was 113.2MB in the beginning and 132.3MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 32.81; [L23] float var_1_3 = 256.25; [L24] float var_1_4 = 1.75; [L25] double var_1_5 = 10000000.5; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed char var_1_10 = 5; [L30] double last_1_var_1_1 = 32.81; [L31] unsigned char last_1_var_1_6 = 0; [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] CALL updateLastVariables() [L58] last_1_var_1_1 = var_1_1 [L59] last_1_var_1_6 = var_1_6 [L69] RET updateLastVariables() [L70] CALL updateVariables() [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L45] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L46] var_1_4 = __VERIFIER_nondet_float() [L47] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L47] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L48] var_1_5 = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L49] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L50] var_1_8 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L51] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L52] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L70] RET updateVariables() [L71] CALL step() [L35] COND FALSE !(last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L38] COND FALSE !(\read(last_1_var_1_6)) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L41] var_1_10 = -50 [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) ? (var_1_1 == ((double) var_1_5)) : 1) && (last_1_var_1_6 ? (var_1_6 == ((unsigned char) (! (var_1_8 || var_1_9)))) : 1)) && (var_1_10 == ((signed char) -50)) ; [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 58 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 168/168 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 [2023-12-19 12:36:53,979 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...