/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-51.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 12:36:06,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 12:36:06,740 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 12:36:06,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 12:36:06,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 12:36:06,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 12:36:06,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 12:36:06,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 12:36:06,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 12:36:06,770 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 12:36:06,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 12:36:06,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 12:36:06,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 12:36:06,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 12:36:06,772 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 12:36:06,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 12:36:06,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 12:36:06,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 12:36:06,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 12:36:06,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 12:36:06,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 12:36:06,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 12:36:06,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 12:36:06,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 12:36:06,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 12:36:06,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 12:36:06,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 12:36:06,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 12:36:06,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 12:36:06,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 12:36:06,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 12:36:06,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 12:36:06,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 12:36:06,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 12:36:06,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 12:36:06,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 12:36:06,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 12:36:06,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 12:36:06,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 12:36:06,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 12:36:06,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 12:36:06,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 12:36:06,978 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 12:36:06,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-51.i [2023-12-19 12:36:08,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 12:36:08,155 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 12:36:08,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-51.i [2023-12-19 12:36:08,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05015ecb3/6ac5cbc8d6924dab81da418a6e06b6c6/FLAG2770a0cec [2023-12-19 12:36:08,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05015ecb3/6ac5cbc8d6924dab81da418a6e06b6c6 [2023-12-19 12:36:08,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 12:36:08,179 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 12:36:08,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 12:36:08,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 12:36:08,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 12:36:08,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c90aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08, skipping insertion in model container [2023-12-19 12:36:08,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 12:36:08,302 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-51.i[915,928] [2023-12-19 12:36:08,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 12:36:08,330 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 12:36:08,339 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-51.i[915,928] [2023-12-19 12:36:08,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 12:36:08,356 INFO L206 MainTranslator]: Completed translation [2023-12-19 12:36:08,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08 WrapperNode [2023-12-19 12:36:08,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 12:36:08,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 12:36:08,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 12:36:08,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 12:36:08,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,378 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 55 [2023-12-19 12:36:08,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 12:36:08,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 12:36:08,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 12:36:08,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 12:36:08,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,387 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,402 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 12:36:08,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 12:36:08,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 12:36:08,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 12:36:08,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 12:36:08,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (1/1) ... [2023-12-19 12:36:08,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 12:36:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:36:08,452 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 12:36:08,468 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 12:36:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 12:36:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 12:36:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 12:36:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 12:36:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 12:36:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 12:36:08,521 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 12:36:08,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 12:36:08,671 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 12:36:08,714 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 12:36:08,714 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 12:36:08,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:36:08 BoogieIcfgContainer [2023-12-19 12:36:08,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 12:36:08,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 12:36:08,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 12:36:08,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 12:36:08,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 12:36:08" (1/3) ... [2023-12-19 12:36:08,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c445f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 12:36:08, skipping insertion in model container [2023-12-19 12:36:08,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:36:08" (2/3) ... [2023-12-19 12:36:08,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c445f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 12:36:08, skipping insertion in model container [2023-12-19 12:36:08,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:36:08" (3/3) ... [2023-12-19 12:36:08,725 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-51.i [2023-12-19 12:36:08,736 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 12:36:08,737 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 12:36:08,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 12:36:08,771 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;@49b354ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 12:36:08,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 12:36:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-19 12:36:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-19 12:36:08,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:36:08,785 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:36:08,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:36:08,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:36:08,789 INFO L85 PathProgramCache]: Analyzing trace with hash -500908234, now seen corresponding path program 1 times [2023-12-19 12:36:08,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:36:08,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206838576] [2023-12-19 12:36:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:36:08,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:36:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 12:36:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 12:36:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 12:36:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 12:36:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-19 12:36:08,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:36:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206838576] [2023-12-19 12:36:08,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206838576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:36:08,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:36:08,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 12:36:08,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497188603] [2023-12-19 12:36:08,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:36:08,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 12:36:08,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:36:08,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 12:36:08,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 12:36:08,941 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-19 12:36:08,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:36:08,960 INFO L93 Difference]: Finished difference Result 37 states and 56 transitions. [2023-12-19 12:36:08,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 12:36:08,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-12-19 12:36:08,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:36:08,966 INFO L225 Difference]: With dead ends: 37 [2023-12-19 12:36:08,966 INFO L226 Difference]: Without dead ends: 18 [2023-12-19 12:36:08,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 12:36:08,973 INFO L413 NwaCegarLoop]: 19 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, 19 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 12:36:08,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 12:36:08,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-19 12:36:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-12-19 12:36:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-19 12:36:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-12-19 12:36:08,996 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 28 [2023-12-19 12:36:08,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:36:08,996 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-12-19 12:36:08,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-19 12:36:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-19 12:36:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-19 12:36:08,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:36:08,998 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:36:08,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 12:36:08,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:36:08,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:36:08,999 INFO L85 PathProgramCache]: Analyzing trace with hash 574949174, now seen corresponding path program 1 times [2023-12-19 12:36:08,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:36:08,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590618814] [2023-12-19 12:36:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:36:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:36:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 12:36:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 12:36:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 12:36:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 12:36:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:36:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-19 12:36:09,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:36:09,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590618814] [2023-12-19 12:36:09,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590618814] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:36:09,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:36:09,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 12:36:09,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058499505] [2023-12-19 12:36:09,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:36:09,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 12:36:09,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:36:09,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 12:36:09,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 12:36:09,106 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-19 12:36:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:36:09,120 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2023-12-19 12:36:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 12:36:09,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2023-12-19 12:36:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:36:09,121 INFO L225 Difference]: With dead ends: 35 [2023-12-19 12:36:09,121 INFO L226 Difference]: Without dead ends: 18 [2023-12-19 12:36:09,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 12:36:09,123 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 12:36:09,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 12:36:09,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-19 12:36:09,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-12-19 12:36:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-19 12:36:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2023-12-19 12:36:09,126 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 28 [2023-12-19 12:36:09,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:36:09,127 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-12-19 12:36:09,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-19 12:36:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-19 12:36:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-19 12:36:09,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:36:09,128 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:36:09,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 12:36:09,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:36:09,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:36:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash 575008756, now seen corresponding path program 1 times [2023-12-19 12:36:09,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:36:09,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636116283] [2023-12-19 12:36:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:36:09,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:36:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-19 12:50:50,661 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-19 12:50:50,689 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 12:50:50,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 12:50:50,690 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 29 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-4-4-4-4-5-5-5-5-5-5-5-5-5-5-4-4-4-4-4-4-3-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-38-3-4-3-4-4-2-4-2-4-2-5-2-4-2-5-2-4-2-3-2-4-2-4-2-4-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-3-2-2-2-1 context. [2023-12-19 12:50:50,694 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-19 12:50:50,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 12:50:50,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 12:50:50 BoogieIcfgContainer [2023-12-19 12:50:50,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 12:50:50,698 INFO L158 Benchmark]: Toolchain (without parser) took 882518.96ms. Allocated memory was 295.7MB in the beginning and 879.8MB in the end (delta: 584.1MB). Free memory was 246.5MB in the beginning and 724.6MB in the end (delta: -478.1MB). Peak memory consumption was 524.8MB. Max. memory is 8.0GB. [2023-12-19 12:50:50,698 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 12:50:50,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.90ms. Allocated memory is still 295.7MB. Free memory was 246.5MB in the beginning and 234.9MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-19 12:50:50,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.36ms. Allocated memory is still 295.7MB. Free memory was 234.9MB in the beginning and 233.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-19 12:50:50,699 INFO L158 Benchmark]: Boogie Preprocessor took 30.67ms. Allocated memory is still 295.7MB. Free memory was 233.4MB in the beginning and 230.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 12:50:50,699 INFO L158 Benchmark]: RCFGBuilder took 304.45ms. Allocated memory is still 295.7MB. Free memory was 230.8MB in the beginning and 217.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-19 12:50:50,700 INFO L158 Benchmark]: TraceAbstraction took 881981.56ms. Allocated memory was 295.7MB in the beginning and 879.8MB in the end (delta: 584.1MB). Free memory was 217.1MB in the beginning and 724.6MB in the end (delta: -507.4MB). Peak memory consumption was 495.5MB. Max. memory is 8.0GB. [2023-12-19 12:50:50,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 175.90ms. Allocated memory is still 295.7MB. Free memory was 246.5MB in the beginning and 234.9MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.36ms. Allocated memory is still 295.7MB. Free memory was 234.9MB in the beginning and 233.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.67ms. Allocated memory is still 295.7MB. Free memory was 233.4MB in the beginning and 230.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 304.45ms. Allocated memory is still 295.7MB. Free memory was 230.8MB in the beginning and 217.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 881981.56ms. Allocated memory was 295.7MB in the beginning and 879.8MB in the end (delta: 584.1MB). Free memory was 217.1MB in the beginning and 724.6MB in the end (delta: -507.4MB). Peak memory consumption was 495.5MB. 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 29 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-4-4-4-4-5-5-5-5-5-5-5-5-5-5-4-4-4-4-4-4-3-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-38-3-4-3-4-4-2-4-2-4-2-5-2-4-2-5-2-4-2-3-2-4-2-4-2-4-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 881.9s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 36 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 48/48 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: Timeout Completed graceful shutdown