/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-86.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:07:16,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:07:16,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:07:16,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:07:16,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:07:16,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:07:16,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:07:16,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:07:16,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:07:16,114 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:07:16,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:07:16,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:07:16,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:07:16,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:07:16,116 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:07:16,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:07:16,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:07:16,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:07:16,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:07:16,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:07:16,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:07:16,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:07:16,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:07:16,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:07:16,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:07:16,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:07:16,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:07:16,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:07:16,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:07:16,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:07:16,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:07:16,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:07:16,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:07:16,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:07:16,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:07:16,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:07:16,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:07:16,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:07:16,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:07:16,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:07:16,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:07:16,333 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:07:16,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-86.i [2023-12-15 21:07:17,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:07:17,536 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:07:17,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-86.i [2023-12-15 21:07:17,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b8111d2a/accd6901284a4fb5866966b161c0f6ab/FLAGa2bf21a76 [2023-12-15 21:07:17,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b8111d2a/accd6901284a4fb5866966b161c0f6ab [2023-12-15 21:07:17,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:07:17,564 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:07:17,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:07:17,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:07:17,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:07:17,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e6eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17, skipping insertion in model container [2023-12-15 21:07:17,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:07:17,688 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-86.i[915,928] [2023-12-15 21:07:17,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:07:17,720 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:07:17,728 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-86.i[915,928] [2023-12-15 21:07:17,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:07:17,746 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:07:17,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17 WrapperNode [2023-12-15 21:07:17,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:07:17,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:07:17,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:07:17,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:07:17,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,770 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 64 [2023-12-15 21:07:17,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:07:17,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:07:17,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:07:17,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:07:17,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,788 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 21:07:17,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:07:17,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:07:17,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:07:17,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:07:17,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (1/1) ... [2023-12-15 21:07:17,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:07:17,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:17,862 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) [2023-12-15 21:07:17,863 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 [2023-12-15 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:07:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:07:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:07:17,930 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:07:17,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:07:18,087 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:07:18,131 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:07:18,136 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:07:18,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:07:18 BoogieIcfgContainer [2023-12-15 21:07:18,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:07:18,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:07:18,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:07:18,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:07:18,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:07:17" (1/3) ... [2023-12-15 21:07:18,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e4ddf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:07:18, skipping insertion in model container [2023-12-15 21:07:18,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:17" (2/3) ... [2023-12-15 21:07:18,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e4ddf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:07:18, skipping insertion in model container [2023-12-15 21:07:18,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:07:18" (3/3) ... [2023-12-15 21:07:18,142 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-86.i [2023-12-15 21:07:18,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:07:18,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:07:18,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:07:18,202 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;@310ff271, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:07:18,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:07:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-15 21:07:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-15 21:07:18,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:18,214 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:18,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:18,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash 436445925, now seen corresponding path program 1 times [2023-12-15 21:07:18,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104372643] [2023-12-15 21:07:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 21:07:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 21:07:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 21:07:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 21:07:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-15 21:07:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-15 21:07:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-15 21:07:18,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:18,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104372643] [2023-12-15 21:07:18,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104372643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:18,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:18,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:07:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280794416] [2023-12-15 21:07:18,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:18,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:07:18,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:18,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:07:18,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:07:18,461 INFO L87 Difference]: Start difference. First operand has 26 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-15 21:07:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:18,497 INFO L93 Difference]: Finished difference Result 49 states and 78 transitions. [2023-12-15 21:07:18,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:07:18,510 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-12-15 21:07:18,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:18,516 INFO L225 Difference]: With dead ends: 49 [2023-12-15 21:07:18,517 INFO L226 Difference]: Without dead ends: 24 [2023-12-15 21:07:18,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:07:18,522 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:18,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:07:18,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-15 21:07:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-12-15 21:07:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-15 21:07:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2023-12-15 21:07:18,557 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 41 [2023-12-15 21:07:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:18,558 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2023-12-15 21:07:18,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-15 21:07:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-12-15 21:07:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-15 21:07:18,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:18,560 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:18,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 21:07:18,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:18,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash 789418601, now seen corresponding path program 1 times [2023-12-15 21:07:18,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:18,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476231338] [2023-12-15 21:07:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:07:18,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 21:07:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:07:18,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 21:07:18,661 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 21:07:18,663 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:07:18,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 21:07:18,666 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-15 21:07:18,668 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:07:18,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:07:18 BoogieIcfgContainer [2023-12-15 21:07:18,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:07:18,696 INFO L158 Benchmark]: Toolchain (without parser) took 1132.88ms. Allocated memory is still 212.9MB. Free memory was 159.3MB in the beginning and 97.9MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2023-12-15 21:07:18,697 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 212.9MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:07:18,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.69ms. Allocated memory is still 212.9MB. Free memory was 158.8MB in the beginning and 147.6MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-15 21:07:18,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.19ms. Allocated memory is still 212.9MB. Free memory was 147.6MB in the beginning and 145.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 21:07:18,698 INFO L158 Benchmark]: Boogie Preprocessor took 28.23ms. Allocated memory is still 212.9MB. Free memory was 145.6MB in the beginning and 144.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-15 21:07:18,698 INFO L158 Benchmark]: RCFGBuilder took 337.01ms. Allocated memory is still 212.9MB. Free memory was 144.1MB in the beginning and 131.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-15 21:07:18,698 INFO L158 Benchmark]: TraceAbstraction took 558.12ms. Allocated memory is still 212.9MB. Free memory was 130.4MB in the beginning and 97.9MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-12-15 21:07:18,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 212.9MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.69ms. Allocated memory is still 212.9MB. Free memory was 158.8MB in the beginning and 147.6MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.19ms. Allocated memory is still 212.9MB. Free memory was 147.6MB in the beginning and 145.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.23ms. Allocated memory is still 212.9MB. Free memory was 145.6MB in the beginning and 144.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 337.01ms. Allocated memory is still 212.9MB. Free memory was 144.1MB in the beginning and 131.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 558.12ms. Allocated memory is still 212.9MB. Free memory was 130.4MB in the beginning and 97.9MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryFLOATComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] double var_1_2 = 63.805; [L24] double var_1_3 = 64.125; [L25] unsigned short int var_1_4 = 16; [L26] float var_1_5 = 10.5; [L27] unsigned short int var_1_6 = 10; [L61] isInitial = 1 [L62] FCALL initially() [L63] COND TRUE 1 [L64] FCALL updateLastVariables() [L65] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=511/2, var_1_3=513/8, var_1_4=16, var_1_5=21/2, var_1_6=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=511/2, var_1_3=513/8, var_1_4=16, var_1_5=21/2, var_1_6=10] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=511/2, var_1_3=513/8, var_1_4=16, var_1_5=21/2, var_1_6=10] [L45] var_1_3 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_5=21/2, var_1_6=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_5=21/2, var_1_6=10] [L46] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=511/2, var_1_4=16, var_1_5=21/2, var_1_6=10] [L47] var_1_5 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=10] [L48] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=10] [L49] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=10] [L49] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=10] [L50] var_1_6 = __VERIFIER_nondet_ushort() [L51] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=511/2, var_1_4=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=511/2, var_1_4=16] [L51] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=511/2, var_1_4=16] [L52] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=65534] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=65534] [L52] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_1=511/2, var_1_4=16, var_1_6=65534] [L65] RET updateVariables() [L66] CALL step() [L31] COND TRUE ! (var_1_2 < var_1_3) [L32] var_1_1 = 1.4f VAL [isInitial=1, var_1_1=7/5, var_1_4=16, var_1_6=65534] [L34] COND FALSE !(var_1_1 != (var_1_1 / var_1_5)) VAL [isInitial=1, var_1_1=7/5, var_1_4=16, var_1_6=65534] [L66] RET step() [L67] CALL, EXPR property() [L57-L58] return ((! (var_1_2 < var_1_3)) ? (var_1_1 == ((float) 1.4f)) : 1) && ((var_1_1 != (var_1_1 / var_1_5)) ? ((var_1_1 < (var_1_5 * var_1_1)) ? (var_1_4 == ((unsigned short int) var_1_6)) : (var_1_4 == ((unsigned short int) var_1_6))) : 1) ; [L67] RET, EXPR property() [L67] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=7/5, var_1_4=16, var_1_6=65534] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=7/5, var_1_4=16, var_1_6=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-15 21:07:18,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...