/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/forester-heap/sll-buckets-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 03:18:39,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 03:18:39,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 03:18:39,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 03:18:39,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 03:18:39,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 03:18:39,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 03:18:39,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 03:18:39,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 03:18:39,129 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 03:18:39,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 03:18:39,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 03:18:39,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 03:18:39,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 03:18:39,130 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 03:18:39,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 03:18:39,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 03:18:39,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 03:18:39,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 03:18:39,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 03:18:39,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 03:18:39,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 03:18:39,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 03:18:39,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 03:18:39,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 03:18:39,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 03:18:39,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 03:18:39,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 03:18:39,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 03:18:39,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 03:18:39,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 03:18:39,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 03:18:39,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 03:18:39,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 03:18:39,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 03:18:39,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 03:18:39,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 03:18:39,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 03:18:39,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 03:18:39,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 03:18:39,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 03:18:39,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 03:18:39,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 03:18:39,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 03:18:39,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 03:18:39,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 03:18:39,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 03:18:39,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 03:18:39,349 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 03:18:39,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-buckets-1.i [2023-12-21 03:18:40,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 03:18:40,559 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 03:18:40,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i [2023-12-21 03:18:40,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16287d4b1/b44bedb84e46449d8285ac00833885da/FLAG87406f9e7 [2023-12-21 03:18:40,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16287d4b1/b44bedb84e46449d8285ac00833885da [2023-12-21 03:18:40,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 03:18:40,597 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 03:18:40,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 03:18:40,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 03:18:40,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 03:18:40,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:40,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36845385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40, skipping insertion in model container [2023-12-21 03:18:40,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:40,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 03:18:40,858 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[22663,22676] [2023-12-21 03:18:40,862 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[22734,22747] [2023-12-21 03:18:40,864 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[22862,22875] [2023-12-21 03:18:40,870 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[23275,23288] [2023-12-21 03:18:40,871 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[23364,23377] [2023-12-21 03:18:40,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 03:18:40,885 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 03:18:40,921 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[22663,22676] [2023-12-21 03:18:40,926 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[22734,22747] [2023-12-21 03:18:40,930 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[22862,22875] [2023-12-21 03:18:40,932 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[23275,23288] [2023-12-21 03:18:40,941 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-1.i[23364,23377] [2023-12-21 03:18:40,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 03:18:40,962 INFO L206 MainTranslator]: Completed translation [2023-12-21 03:18:40,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40 WrapperNode [2023-12-21 03:18:40,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 03:18:40,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 03:18:40,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 03:18:40,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 03:18:40,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:40,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,002 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 155 [2023-12-21 03:18:41,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 03:18:41,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 03:18:41,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 03:18:41,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 03:18:41,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,052 INFO L175 MemorySlicer]: Split 32 memory accesses to 2 slices as follows [2, 30]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 16 writes are split as follows [0, 16]. [2023-12-21 03:18:41,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 03:18:41,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 03:18:41,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 03:18:41,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 03:18:41,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (1/1) ... [2023-12-21 03:18:41,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 03:18:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 03:18:41,119 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) [2023-12-21 03:18:41,130 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 [2023-12-21 03:18:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 03:18:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 03:18:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 03:18:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 03:18:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 03:18:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 03:18:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 03:18:41,260 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 03:18:41,263 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 03:18:41,437 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 03:18:41,463 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 03:18:41,463 INFO L309 CfgBuilder]: Removed 15 assume(true) statements. [2023-12-21 03:18:41,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:18:41 BoogieIcfgContainer [2023-12-21 03:18:41,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 03:18:41,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 03:18:41,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 03:18:41,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 03:18:41,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:18:40" (1/3) ... [2023-12-21 03:18:41,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c23a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:18:41, skipping insertion in model container [2023-12-21 03:18:41,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:40" (2/3) ... [2023-12-21 03:18:41,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c23a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:18:41, skipping insertion in model container [2023-12-21 03:18:41,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:18:41" (3/3) ... [2023-12-21 03:18:41,469 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets-1.i [2023-12-21 03:18:41,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 03:18:41,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-12-21 03:18:41,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 03:18:41,512 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;@32800dd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 03:18:41,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-12-21 03:18:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 40 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-21 03:18:41,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:18:41,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-21 03:18:41,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-21 03:18:41,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:18:41,523 INFO L85 PathProgramCache]: Analyzing trace with hash 271680228, now seen corresponding path program 1 times [2023-12-21 03:18:41,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:18:41,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21148598] [2023-12-21 03:18:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:18:41,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:18:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:18:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:18:41,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:18:41,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21148598] [2023-12-21 03:18:41,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21148598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 03:18:41,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 03:18:41,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 03:18:41,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670307089] [2023-12-21 03:18:41,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 03:18:41,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 03:18:41,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 03:18:41,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 03:18:41,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 03:18:41,954 INFO L87 Difference]: Start difference. First operand has 41 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 40 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 03:18:42,066 INFO L93 Difference]: Finished difference Result 107 states and 183 transitions. [2023-12-21 03:18:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 03:18:42,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-21 03:18:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 03:18:42,076 INFO L225 Difference]: With dead ends: 107 [2023-12-21 03:18:42,076 INFO L226 Difference]: Without dead ends: 65 [2023-12-21 03:18:42,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 03:18:42,084 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 94 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 03:18:42,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 71 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 03:18:42,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-21 03:18:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 40. [2023-12-21 03:18:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 39 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2023-12-21 03:18:42,112 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 7 [2023-12-21 03:18:42,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 03:18:42,112 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2023-12-21 03:18:42,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-12-21 03:18:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-21 03:18:42,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:18:42,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 03:18:42,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 03:18:42,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-21 03:18:42,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:18:42,115 INFO L85 PathProgramCache]: Analyzing trace with hash -131581983, now seen corresponding path program 1 times [2023-12-21 03:18:42,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:18:42,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595326679] [2023-12-21 03:18:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:18:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:18:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:18:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:18:42,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:18:42,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595326679] [2023-12-21 03:18:42,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595326679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 03:18:42,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 03:18:42,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 03:18:42,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620340348] [2023-12-21 03:18:42,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 03:18:42,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 03:18:42,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 03:18:42,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 03:18:42,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 03:18:42,211 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 03:18:42,264 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2023-12-21 03:18:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 03:18:42,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-21 03:18:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 03:18:42,265 INFO L225 Difference]: With dead ends: 44 [2023-12-21 03:18:42,265 INFO L226 Difference]: Without dead ends: 42 [2023-12-21 03:18:42,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 03:18:42,266 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 03:18:42,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 65 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 03:18:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-21 03:18:42,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2023-12-21 03:18:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 37 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-12-21 03:18:42,274 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 8 [2023-12-21 03:18:42,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 03:18:42,275 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-12-21 03:18:42,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-12-21 03:18:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-21 03:18:42,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:18:42,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 03:18:42,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 03:18:42,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-21 03:18:42,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:18:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 215961798, now seen corresponding path program 1 times [2023-12-21 03:18:42,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:18:42,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433376785] [2023-12-21 03:18:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:18:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:18:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:18:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:18:42,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:18:42,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433376785] [2023-12-21 03:18:42,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433376785] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 03:18:42,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 03:18:42,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 03:18:42,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865070566] [2023-12-21 03:18:42,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 03:18:42,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 03:18:42,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 03:18:42,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 03:18:42,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 03:18:42,737 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 03:18:42,911 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2023-12-21 03:18:42,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 03:18:42,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-21 03:18:42,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 03:18:42,914 INFO L225 Difference]: With dead ends: 60 [2023-12-21 03:18:42,914 INFO L226 Difference]: Without dead ends: 49 [2023-12-21 03:18:42,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-21 03:18:42,918 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 32 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 03:18:42,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 89 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 03:18:42,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-21 03:18:42,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2023-12-21 03:18:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 40 states have (on average 1.3) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2023-12-21 03:18:42,932 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 9 [2023-12-21 03:18:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 03:18:42,932 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2023-12-21 03:18:42,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-12-21 03:18:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-21 03:18:42,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:18:42,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 03:18:42,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 03:18:42,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-21 03:18:42,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:18:42,933 INFO L85 PathProgramCache]: Analyzing trace with hash -908178552, now seen corresponding path program 1 times [2023-12-21 03:18:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:18:42,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487867151] [2023-12-21 03:18:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:18:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:18:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:18:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:18:42,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:18:42,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487867151] [2023-12-21 03:18:42,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487867151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 03:18:42,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 03:18:42,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 03:18:42,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625066848] [2023-12-21 03:18:42,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 03:18:42,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 03:18:42,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 03:18:42,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 03:18:42,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 03:18:42,982 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 03:18:43,038 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2023-12-21 03:18:43,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 03:18:43,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-21 03:18:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 03:18:43,039 INFO L225 Difference]: With dead ends: 44 [2023-12-21 03:18:43,039 INFO L226 Difference]: Without dead ends: 42 [2023-12-21 03:18:43,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 03:18:43,040 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 22 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 03:18:43,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 48 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 03:18:43,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-21 03:18:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-12-21 03:18:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-12-21 03:18:43,045 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2023-12-21 03:18:43,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 03:18:43,045 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-12-21 03:18:43,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:18:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-21 03:18:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-21 03:18:43,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:18:43,046 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 03:18:43,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 03:18:43,046 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-21 03:18:43,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:18:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1837347927, now seen corresponding path program 1 times [2023-12-21 03:18:43,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:18:43,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059902863] [2023-12-21 03:18:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:18:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:18:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:18:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:18:43,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:18:43,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059902863] [2023-12-21 03:18:43,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059902863] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 03:18:43,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144110395] [2023-12-21 03:18:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:18:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 03:18:43,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 03:18:43,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 03:18:43,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 03:18:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:18:43,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-21 03:18:43,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 03:18:43,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2023-12-21 03:18:43,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2023-12-21 03:18:44,029 INFO L349 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2023-12-21 03:18:44,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 79 [2023-12-21 03:18:44,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 03:18:44,057 INFO L349 Elim1Store]: treesize reduction 36, result has 44.6 percent of original size [2023-12-21 03:18:44,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 45 [2023-12-21 03:18:44,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2023-12-21 03:18:44,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2023-12-21 03:18:44,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 19 [2023-12-21 03:18:44,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-21 03:18:44,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 19 [2023-12-21 03:18:44,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2023-12-21 03:18:44,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2023-12-21 03:18:44,892 INFO L349 Elim1Store]: treesize reduction 192, result has 28.6 percent of original size [2023-12-21 03:18:44,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 13 new quantified variables, introduced 48 case distinctions, treesize of input 242 treesize of output 235 [2023-12-21 03:18:45,009 INFO L349 Elim1Store]: treesize reduction 280, result has 32.2 percent of original size [2023-12-21 03:18:45,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 198 treesize of output 294 Received shutdown request... [2023-12-21 03:33:20,256 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 [2023-12-21 03:33:20,256 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 03:33:20,352 WARN L235 SmtUtils]: Removed 873 from assertion stack [2023-12-21 03:33:20,354 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-12-21 03:33:20,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 03:33:20,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 03:33:20,555 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 15 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 18936 for 869688ms.. [2023-12-21 03:33:20,557 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-12-21 03:33:20,557 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-12-21 03:33:20,557 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-12-21 03:33:20,557 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-12-21 03:33:20,559 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-21 03:33:20,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 03:33:20,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:33:20 BoogieIcfgContainer [2023-12-21 03:33:20,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 03:33:20,562 INFO L158 Benchmark]: Toolchain (without parser) took 879965.07ms. Allocated memory was 348.1MB in the beginning and 962.6MB in the end (delta: 614.5MB). Free memory was 295.0MB in the beginning and 839.6MB in the end (delta: -544.6MB). Peak memory consumption was 592.8MB. Max. memory is 8.0GB. [2023-12-21 03:33:20,563 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 03:33:20,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.99ms. Allocated memory is still 348.1MB. Free memory was 295.0MB in the beginning and 275.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-21 03:33:20,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.16ms. Allocated memory is still 348.1MB. Free memory was 275.9MB in the beginning and 273.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 03:33:20,563 INFO L158 Benchmark]: Boogie Preprocessor took 85.65ms. Allocated memory is still 348.1MB. Free memory was 273.8MB in the beginning and 270.9MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-21 03:33:20,563 INFO L158 Benchmark]: RCFGBuilder took 374.68ms. Allocated memory is still 348.1MB. Free memory was 270.9MB in the beginning and 251.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-21 03:33:20,564 INFO L158 Benchmark]: TraceAbstraction took 879097.26ms. Allocated memory was 348.1MB in the beginning and 962.6MB in the end (delta: 614.5MB). Free memory was 250.3MB in the beginning and 839.6MB in the end (delta: -589.3MB). Peak memory consumption was 547.7MB. Max. memory is 8.0GB. [2023-12-21 03:33:20,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 363.99ms. Allocated memory is still 348.1MB. Free memory was 295.0MB in the beginning and 275.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.16ms. Allocated memory is still 348.1MB. Free memory was 275.9MB in the beginning and 273.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.65ms. Allocated memory is still 348.1MB. Free memory was 273.8MB in the beginning and 270.9MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.68ms. Allocated memory is still 348.1MB. Free memory was 270.9MB in the beginning and 251.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 879097.26ms. Allocated memory was 348.1MB in the beginning and 962.6MB in the end (delta: 614.5MB). Free memory was 250.3MB in the beginning and 839.6MB in the end (delta: -589.3MB). Peak memory consumption was 547.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1061). Cancelled while NwaCegarLoop was analyzing trace of length 15 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 18936 for 869688ms.. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1034). Cancelled while NwaCegarLoop was analyzing trace of length 15 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 18936 for 869688ms.. - TimeoutResultAtElement [Line: 1035]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1035). Cancelled while NwaCegarLoop was analyzing trace of length 15 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 18936 for 869688ms.. - TimeoutResultAtElement [Line: 1038]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1038). Cancelled while NwaCegarLoop was analyzing trace of length 15 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 18936 for 869688ms.. - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1064). Cancelled while NwaCegarLoop was analyzing trace of length 15 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 18936 for 869688ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 879.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 273 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 139 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown