/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/forester-heap/sll-buckets-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 16:45:29,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 16:45:29,583 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 16:45:29,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 16:45:29,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 16:45:29,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 16:45:29,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 16:45:29,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 16:45:29,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 16:45:29,615 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 16:45:29,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 16:45:29,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 16:45:29,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 16:45:29,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 16:45:29,617 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 16:45:29,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 16:45:29,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 16:45:29,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 16:45:29,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 16:45:29,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 16:45:29,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 16:45:29,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 16:45:29,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 16:45:29,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 16:45:29,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 16:45:29,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 16:45:29,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 16:45:29,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 16:45:29,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 16:45:29,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 16:45:29,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 16:45:29,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 16:45:29,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:45:29,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 16:45:29,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 16:45:29,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 16:45:29,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 16:45:29,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 16:45:29,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 16:45:29,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 16:45:29,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 16:45:29,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 16:45:29,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 16:45:29,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 16:45:29,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 16:45:29,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 16:45:29,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 16:45:29,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 16:45:29,829 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 16:45:29,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-buckets-2.i [2023-12-19 16:45:30,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 16:45:31,146 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 16:45:31,146 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets-2.i [2023-12-19 16:45:31,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea933d0b/a2bd0759cef14697b0d1e63b71a6aa45/FLAG7e7580a0f [2023-12-19 16:45:31,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea933d0b/a2bd0759cef14697b0d1e63b71a6aa45 [2023-12-19 16:45:31,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 16:45:31,178 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 16:45:31,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 16:45:31,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 16:45:31,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 16:45:31,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406c7cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31, skipping insertion in model container [2023-12-19 16:45:31,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 16:45:31,457 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-2.i[22663,22676] [2023-12-19 16:45:31,463 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-2.i[22734,22747] [2023-12-19 16:45:31,464 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-2.i[22862,22875] [2023-12-19 16:45:31,468 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-2.i[23275,23288] [2023-12-19 16:45:31,469 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-2.i[23364,23377] [2023-12-19 16:45:31,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:45:31,479 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 16:45:31,510 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-2.i[22663,22676] [2023-12-19 16:45:31,511 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-2.i[22734,22747] [2023-12-19 16:45:31,512 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-2.i[22862,22875] [2023-12-19 16:45:31,514 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-2.i[23275,23288] [2023-12-19 16:45:31,514 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-2.i[23364,23377] [2023-12-19 16:45:31,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:45:31,541 INFO L206 MainTranslator]: Completed translation [2023-12-19 16:45:31,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31 WrapperNode [2023-12-19 16:45:31,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 16:45:31,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 16:45:31,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 16:45:31,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 16:45:31,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,575 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 155 [2023-12-19 16:45:31,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 16:45:31,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 16:45:31,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 16:45:31,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 16:45:31,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,613 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]. [2023-12-19 16:45:31,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 16:45:31,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 16:45:31,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 16:45:31,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 16:45:31,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (1/1) ... [2023-12-19 16:45:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:45:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:45:31,674 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 16:45:31,708 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 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-12-19 16:45:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-12-19 16:45:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-12-19 16:45:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-12-19 16:45:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-19 16:45:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 16:45:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 16:45:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 16:45:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 16:45:31,790 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 16:45:31,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 16:45:32,036 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 16:45:32,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 16:45:32,070 INFO L309 CfgBuilder]: Removed 15 assume(true) statements. [2023-12-19 16:45:32,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:45:32 BoogieIcfgContainer [2023-12-19 16:45:32,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 16:45:32,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 16:45:32,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 16:45:32,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 16:45:32,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:45:31" (1/3) ... [2023-12-19 16:45:32,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ff9229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:45:32, skipping insertion in model container [2023-12-19 16:45:32,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:45:31" (2/3) ... [2023-12-19 16:45:32,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ff9229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:45:32, skipping insertion in model container [2023-12-19 16:45:32,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:45:32" (3/3) ... [2023-12-19 16:45:32,077 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets-2.i [2023-12-19 16:45:32,090 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 16:45:32,090 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-12-19 16:45:32,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 16:45:32,130 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;@2bcd3b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 16:45:32,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-12-19 16:45:32,133 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) [2023-12-19 16:45:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-19 16:45:32,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:45:32,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:45:32,143 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)] === [2023-12-19 16:45:32,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:45:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash 271680228, now seen corresponding path program 1 times [2023-12-19 16:45:32,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:45:32,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076074038] [2023-12-19 16:45:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:45:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:45:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:45:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 16:45:32,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:45:32,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076074038] [2023-12-19 16:45:32,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076074038] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:45:32,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:45:32,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 16:45:32,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219392484] [2023-12-19 16:45:32,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:45:32,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 16:45:32,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:45:32,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 16:45:32,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 16:45:32,538 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) [2023-12-19 16:45:32,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:45:32,617 INFO L93 Difference]: Finished difference Result 107 states and 183 transitions. [2023-12-19 16:45:32,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 16:45:32,619 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 [2023-12-19 16:45:32,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:45:32,623 INFO L225 Difference]: With dead ends: 107 [2023-12-19 16:45:32,623 INFO L226 Difference]: Without dead ends: 65 [2023-12-19 16:45:32,625 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 [2023-12-19 16:45:32,627 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 94 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2023-12-19 16:45:32,627 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] [2023-12-19 16:45:32,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-19 16:45:32,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 40. [2023-12-19 16:45:32,645 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) [2023-12-19 16:45:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2023-12-19 16:45:32,647 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 7 [2023-12-19 16:45:32,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:45:32,647 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2023-12-19 16:45:32,647 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) [2023-12-19 16:45:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-12-19 16:45:32,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-19 16:45:32,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:45:32,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:45:32,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 16:45:32,648 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)] === [2023-12-19 16:45:32,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:45:32,648 INFO L85 PathProgramCache]: Analyzing trace with hash -131581983, now seen corresponding path program 1 times [2023-12-19 16:45:32,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:45:32,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710485118] [2023-12-19 16:45:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:45:32,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:45:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:45:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 16:45:32,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:45:32,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710485118] [2023-12-19 16:45:32,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710485118] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:45:32,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:45:32,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 16:45:32,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406255998] [2023-12-19 16:45:32,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:45:32,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 16:45:32,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:45:32,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 16:45:32,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 16:45:32,712 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) [2023-12-19 16:45:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:45:32,760 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2023-12-19 16:45:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 16:45:32,761 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 [2023-12-19 16:45:32,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:45:32,761 INFO L225 Difference]: With dead ends: 44 [2023-12-19 16:45:32,761 INFO L226 Difference]: Without dead ends: 42 [2023-12-19 16:45:32,761 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 [2023-12-19 16:45:32,762 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 [2023-12-19 16:45:32,763 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] [2023-12-19 16:45:32,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-19 16:45:32,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2023-12-19 16:45:32,766 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) [2023-12-19 16:45:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-12-19 16:45:32,767 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 8 [2023-12-19 16:45:32,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:45:32,767 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-12-19 16:45:32,767 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) [2023-12-19 16:45:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-12-19 16:45:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-19 16:45:32,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:45:32,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:45:32,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 16:45:32,768 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)] === [2023-12-19 16:45:32,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:45:32,768 INFO L85 PathProgramCache]: Analyzing trace with hash 215961798, now seen corresponding path program 1 times [2023-12-19 16:45:32,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:45:32,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831099589] [2023-12-19 16:45:32,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:45:32,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:45:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:45:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 16:45:33,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:45:33,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831099589] [2023-12-19 16:45:33,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831099589] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:45:33,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:45:33,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 16:45:33,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623964996] [2023-12-19 16:45:33,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:45:33,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 16:45:33,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:45:33,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 16:45:33,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:45:33,123 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) [2023-12-19 16:45:33,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:45:33,273 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2023-12-19 16:45:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 16:45:33,274 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 [2023-12-19 16:45:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:45:33,276 INFO L225 Difference]: With dead ends: 60 [2023-12-19 16:45:33,276 INFO L226 Difference]: Without dead ends: 49 [2023-12-19 16:45:33,277 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 [2023-12-19 16:45:33,278 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 [2023-12-19 16:45:33,279 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] [2023-12-19 16:45:33,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-19 16:45:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2023-12-19 16:45:33,290 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) [2023-12-19 16:45:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2023-12-19 16:45:33,292 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 9 [2023-12-19 16:45:33,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:45:33,292 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2023-12-19 16:45:33,293 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) [2023-12-19 16:45:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-12-19 16:45:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-19 16:45:33,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:45:33,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:45:33,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 16:45:33,293 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)] === [2023-12-19 16:45:33,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:45:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash -908178552, now seen corresponding path program 1 times [2023-12-19 16:45:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:45:33,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226331981] [2023-12-19 16:45:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:45:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:45:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:45:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 16:45:33,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:45:33,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226331981] [2023-12-19 16:45:33,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226331981] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:45:33,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:45:33,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 16:45:33,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620344368] [2023-12-19 16:45:33,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:45:33,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 16:45:33,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:45:33,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 16:45:33,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 16:45:33,354 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) [2023-12-19 16:45:33,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:45:33,407 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2023-12-19 16:45:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 16:45:33,407 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 [2023-12-19 16:45:33,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:45:33,408 INFO L225 Difference]: With dead ends: 44 [2023-12-19 16:45:33,408 INFO L226 Difference]: Without dead ends: 42 [2023-12-19 16:45:33,408 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 [2023-12-19 16:45:33,409 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, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:45:33,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 48 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:45:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-19 16:45:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-12-19 16:45:33,412 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) [2023-12-19 16:45:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-12-19 16:45:33,413 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2023-12-19 16:45:33,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:45:33,413 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-12-19 16:45:33,413 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) [2023-12-19 16:45:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-19 16:45:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-19 16:45:33,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:45:33,413 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:45:33,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 16:45:33,414 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)] === [2023-12-19 16:45:33,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:45:33,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1837347927, now seen corresponding path program 1 times [2023-12-19 16:45:33,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:45:33,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204628231] [2023-12-19 16:45:33,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:45:33,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:45:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:45:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 16:45:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:45:34,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204628231] [2023-12-19 16:45:34,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204628231] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 16:45:34,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665036001] [2023-12-19 16:45:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:45:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 16:45:34,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:45:34,084 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) [2023-12-19 16:45:34,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 16:45:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:45:34,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-19 16:45:34,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 16:45:34,295 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 [2023-12-19 16:45:34,302 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 [2023-12-19 16:45:34,334 INFO L349 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2023-12-19 16:45:34,335 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 [2023-12-19 16:45:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:45:34,359 INFO L349 Elim1Store]: treesize reduction 36, result has 44.6 percent of original size [2023-12-19 16:45:34,360 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 [2023-12-19 16:45:34,367 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 [2023-12-19 16:45:34,374 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 [2023-12-19 16:45:34,387 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 [2023-12-19 16:45:34,394 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 [2023-12-19 16:45:34,404 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 [2023-12-19 16:45:34,449 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 [2023-12-19 16:45:34,490 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 [2023-12-19 16:45:35,101 INFO L349 Elim1Store]: treesize reduction 192, result has 28.6 percent of original size [2023-12-19 16:45:35,102 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 [2023-12-19 16:45:35,207 INFO L349 Elim1Store]: treesize reduction 280, result has 32.2 percent of original size [2023-12-19 16:45:35,208 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... [2023-12-19 17:00:11,237 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 [2023-12-19 17:00:11,263 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 17:00:11,506 WARN L235 SmtUtils]: Removed 917 from assertion stack [2023-12-19 17:00:11,508 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-12-19 17:00:11,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 17:00:11,713 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 [2023-12-19 17:00:11,714 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 871142ms.. [2023-12-19 17:00:11,715 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-12-19 17:00:11,715 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-12-19 17:00:11,715 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-12-19 17:00:11,716 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-12-19 17:00:11,718 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-19 17:00:11,719 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 17:00:11,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:00:11 BoogieIcfgContainer [2023-12-19 17:00:11,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 17:00:11,721 INFO L158 Benchmark]: Toolchain (without parser) took 880542.81ms. Allocated memory was 392.2MB in the beginning and 1.1GB in the end (delta: 702.5MB). Free memory was 355.0MB in the beginning and 994.8MB in the end (delta: -639.8MB). Peak memory consumption was 684.3MB. Max. memory is 8.0GB. [2023-12-19 17:00:11,721 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 196.1MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 17:00:11,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.10ms. Allocated memory is still 392.2MB. Free memory was 354.7MB in the beginning and 335.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-19 17:00:11,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.94ms. Allocated memory is still 392.2MB. Free memory was 335.7MB in the beginning and 333.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 17:00:11,722 INFO L158 Benchmark]: Boogie Preprocessor took 60.95ms. Allocated memory is still 392.2MB. Free memory was 333.4MB in the beginning and 330.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 17:00:11,722 INFO L158 Benchmark]: RCFGBuilder took 434.40ms. Allocated memory is still 392.2MB. Free memory was 330.6MB in the beginning and 311.0MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 17:00:11,722 INFO L158 Benchmark]: TraceAbstraction took 879647.05ms. Allocated memory was 392.2MB in the beginning and 1.1GB in the end (delta: 702.5MB). Free memory was 310.3MB in the beginning and 994.8MB in the end (delta: -684.5MB). Peak memory consumption was 640.2MB. Max. memory is 8.0GB. [2023-12-19 17:00:11,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 196.1MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 361.10ms. Allocated memory is still 392.2MB. Free memory was 354.7MB in the beginning and 335.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.94ms. Allocated memory is still 392.2MB. Free memory was 335.7MB in the beginning and 333.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.95ms. Allocated memory is still 392.2MB. Free memory was 333.4MB in the beginning and 330.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 434.40ms. Allocated memory is still 392.2MB. Free memory was 330.6MB in the beginning and 311.0MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 879647.05ms. Allocated memory was 392.2MB in the beginning and 1.1GB in the end (delta: 702.5MB). Free memory was 310.3MB in the beginning and 994.8MB in the end (delta: -684.5MB). Peak memory consumption was 640.2MB. 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 871142ms.. - 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 871142ms.. - 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 871142ms.. - 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 871142ms.. - 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 871142ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 879.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.2s 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, 0.5s 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