/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 22:46:32,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 22:46:32,509 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 22:46:32,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 22:46:32,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 22:46:32,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 22:46:32,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 22:46:32,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 22:46:32,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 22:46:32,545 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 22:46:32,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 22:46:32,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 22:46:32,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 22:46:32,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 22:46:32,546 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 22:46:32,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 22:46:32,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 22:46:32,547 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 22:46:32,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 22:46:32,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 22:46:32,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 22:46:32,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 22:46:32,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 22:46:32,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 22:46:32,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 22:46:32,561 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 22:46:32,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 22:46:32,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 22:46:32,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 22:46:32,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 22:46:32,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 22:46:32,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 22:46:32,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:46:32,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 22:46:32,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 22:46:32,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 22:46:32,563 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 22:46:32,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 22:46:32,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 22:46:32,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 22:46:32,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 22:46:32,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 22:46:32,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 22:46:32,568 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 22:46:32,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 22:46:32,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 22:46:32,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 22:46:32,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 22:46:32,765 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 22:46:32,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-20 22:46:33,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 22:46:34,031 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 22:46:34,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-20 22:46:34,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a491c12a3/807426ae08db40469d153dbd2733ee96/FLAG77f03b2dc [2023-12-20 22:46:34,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a491c12a3/807426ae08db40469d153dbd2733ee96 [2023-12-20 22:46:34,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 22:46:34,052 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 22:46:34,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 22:46:34,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 22:46:34,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 22:46:34,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0bcc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34, skipping insertion in model container [2023-12-20 22:46:34,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 22:46:34,206 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_loopvsstraightlinecode_100-while_file-45.i[916,929] [2023-12-20 22:46:34,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:46:34,272 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 22:46:34,279 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_loopvsstraightlinecode_100-while_file-45.i[916,929] [2023-12-20 22:46:34,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:46:34,327 INFO L206 MainTranslator]: Completed translation [2023-12-20 22:46:34,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34 WrapperNode [2023-12-20 22:46:34,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 22:46:34,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 22:46:34,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 22:46:34,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 22:46:34,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,401 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 230 [2023-12-20 22:46:34,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 22:46:34,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 22:46:34,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 22:46:34,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 22:46:34,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,456 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]. [2023-12-20 22:46:34,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 22:46:34,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 22:46:34,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 22:46:34,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 22:46:34,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (1/1) ... [2023-12-20 22:46:34,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:46:34,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:46:34,533 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) [2023-12-20 22:46:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 22:46:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 22:46:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 22:46:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 22:46:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 22:46:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 22:46:34,588 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 [2023-12-20 22:46:34,639 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 22:46:34,640 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 22:46:39,020 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 22:46:39,052 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 22:46:39,052 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 22:46:39,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:46:39 BoogieIcfgContainer [2023-12-20 22:46:39,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 22:46:39,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 22:46:39,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 22:46:39,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 22:46:39,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 10:46:34" (1/3) ... [2023-12-20 22:46:39,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a84db9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:46:39, skipping insertion in model container [2023-12-20 22:46:39,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:46:34" (2/3) ... [2023-12-20 22:46:39,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a84db9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:46:39, skipping insertion in model container [2023-12-20 22:46:39,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:46:39" (3/3) ... [2023-12-20 22:46:39,060 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-20 22:46:39,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 22:46:39,074 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 22:46:39,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 22:46:39,110 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;@5c24b40c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 22:46:39,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 22:46:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-20 22:46:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-20 22:46:39,125 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:46:39,126 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:46:39,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:46:39,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:46:39,130 INFO L85 PathProgramCache]: Analyzing trace with hash -752377194, now seen corresponding path program 1 times [2023-12-20 22:46:39,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:46:39,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291675829] [2023-12-20 22:46:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:46:39,279 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:46:39,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037572344] [2023-12-20 22:46:39,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:39,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:39,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:46:39,282 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) [2023-12-20 22:46:39,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 22:46:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:46:39,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-20 22:46:39,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:46:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 820 proven. 48 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-12-20 22:46:39,722 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:46:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-20 22:46:39,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:46:39,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291675829] [2023-12-20 22:46:39,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:46:39,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037572344] [2023-12-20 22:46:39,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037572344] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 22:46:39,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 22:46:39,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-20 22:46:39,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301845150] [2023-12-20 22:46:39,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 22:46:39,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 22:46:39,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:46:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 22:46:39,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-20 22:46:39,897 INFO L87 Difference]: Start difference. First operand has 83 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-20 22:46:40,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:46:40,064 INFO L93 Difference]: Finished difference Result 171 states and 297 transitions. [2023-12-20 22:46:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 22:46:40,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 185 [2023-12-20 22:46:40,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:46:40,072 INFO L225 Difference]: With dead ends: 171 [2023-12-20 22:46:40,073 INFO L226 Difference]: Without dead ends: 89 [2023-12-20 22:46:40,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 362 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-20 22:46:40,077 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 61 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 22:46:40,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 204 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 22:46:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-20 22:46:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2023-12-20 22:46:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-20 22:46:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2023-12-20 22:46:40,109 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 185 [2023-12-20 22:46:40,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:46:40,110 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2023-12-20 22:46:40,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-20 22:46:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2023-12-20 22:46:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-20 22:46:40,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:46:40,113 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:46:40,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 22:46:40,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-20 22:46:40,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:46:40,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:46:40,319 INFO L85 PathProgramCache]: Analyzing trace with hash 925771035, now seen corresponding path program 1 times [2023-12-20 22:46:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:46:40,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629543054] [2023-12-20 22:46:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:46:40,389 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:46:40,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420105910] [2023-12-20 22:46:40,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:40,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:40,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:46:40,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:46:40,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 22:46:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:46:40,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-20 22:46:40,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:46:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-12-20 22:46:40,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:46:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-20 22:46:40,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:46:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629543054] [2023-12-20 22:46:40,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:46:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420105910] [2023-12-20 22:46:40,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420105910] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 22:46:40,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 22:46:40,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-20 22:46:40,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979580940] [2023-12-20 22:46:40,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 22:46:40,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 22:46:40,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:46:40,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 22:46:40,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-20 22:46:40,794 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-20 22:46:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:46:40,941 INFO L93 Difference]: Finished difference Result 179 states and 262 transitions. [2023-12-20 22:46:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 22:46:40,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 186 [2023-12-20 22:46:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:46:40,943 INFO L225 Difference]: With dead ends: 179 [2023-12-20 22:46:40,943 INFO L226 Difference]: Without dead ends: 95 [2023-12-20 22:46:40,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-20 22:46:40,944 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 105 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 22:46:40,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 199 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 22:46:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-20 22:46:40,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2023-12-20 22:46:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 56 states have internal predecessors, (71), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-20 22:46:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2023-12-20 22:46:40,954 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 186 [2023-12-20 22:46:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:46:40,954 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2023-12-20 22:46:40,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-20 22:46:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2023-12-20 22:46:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-20 22:46:40,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:46:40,957 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:46:40,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 22:46:41,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-20 22:46:41,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:46:41,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:46:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash -85346215, now seen corresponding path program 1 times [2023-12-20 22:46:41,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:46:41,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810490660] [2023-12-20 22:46:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:46:41,204 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:46:41,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039213578] [2023-12-20 22:46:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:41,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:46:41,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:46:41,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 22:46:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:46:41,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 22:46:41,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:46:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-20 22:46:41,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 22:46:41,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:46:41,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810490660] [2023-12-20 22:46:41,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:46:41,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039213578] [2023-12-20 22:46:41,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039213578] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:46:41,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:46:41,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 22:46:41,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921710580] [2023-12-20 22:46:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:46:41,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 22:46:41,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:46:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 22:46:41,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 22:46:41,387 INFO L87 Difference]: Start difference. First operand 89 states and 129 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-20 22:46:41,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:46:41,522 INFO L93 Difference]: Finished difference Result 257 states and 373 transitions. [2023-12-20 22:46:41,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 22:46:41,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 186 [2023-12-20 22:46:41,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:46:41,524 INFO L225 Difference]: With dead ends: 257 [2023-12-20 22:46:41,524 INFO L226 Difference]: Without dead ends: 169 [2023-12-20 22:46:41,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 22:46:41,525 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 123 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 22:46:41,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 451 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 22:46:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-12-20 22:46:41,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 95. [2023-12-20 22:46:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-20 22:46:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2023-12-20 22:46:41,538 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 186 [2023-12-20 22:46:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:46:41,539 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2023-12-20 22:46:41,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-20 22:46:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-12-20 22:46:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-20 22:46:41,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:46:41,541 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:46:41,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 22:46:41,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:41,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:46:41,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:46:41,747 INFO L85 PathProgramCache]: Analyzing trace with hash -28087913, now seen corresponding path program 1 times [2023-12-20 22:46:41,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:46:41,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72052785] [2023-12-20 22:46:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:41,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:46:41,772 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:46:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368150143] [2023-12-20 22:46:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:41,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:41,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:46:41,773 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:46:41,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 22:46:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:46:41,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-20 22:46:41,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:46:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 784 proven. 30 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2023-12-20 22:46:42,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:46:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 54 proven. 30 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-20 22:46:42,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:46:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72052785] [2023-12-20 22:46:42,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:46:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368150143] [2023-12-20 22:46:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368150143] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 22:46:42,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 22:46:42,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-12-20 22:46:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968804186] [2023-12-20 22:46:42,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 22:46:42,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 22:46:42,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:46:42,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 22:46:42,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-20 22:46:42,245 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-20 22:46:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:46:42,674 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2023-12-20 22:46:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 22:46:42,674 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 186 [2023-12-20 22:46:42,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:46:42,676 INFO L225 Difference]: With dead ends: 273 [2023-12-20 22:46:42,676 INFO L226 Difference]: Without dead ends: 179 [2023-12-20 22:46:42,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2023-12-20 22:46:42,677 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 352 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 22:46:42,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 373 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 22:46:42,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-20 22:46:42,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 93. [2023-12-20 22:46:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-20 22:46:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2023-12-20 22:46:42,717 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 186 [2023-12-20 22:46:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:46:42,717 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2023-12-20 22:46:42,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-20 22:46:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2023-12-20 22:46:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-20 22:46:42,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:46:42,719 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:46:42,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-20 22:46:42,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:42,920 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:46:42,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:46:42,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1483700329, now seen corresponding path program 1 times [2023-12-20 22:46:42,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:46:42,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420973767] [2023-12-20 22:46:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:46:42,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:46:42,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425677008] [2023-12-20 22:46:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:46:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:46:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:46:42,943 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:46:42,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 22:46:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:46:43,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-20 22:46:43,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:46:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 768 proven. 54 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2023-12-20 22:46:43,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:47:48,715 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:49:40,800 WARN L293 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:50:17,716 WARN L293 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:50:43,752 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:52:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-20 22:52:33,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:52:33,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420973767] [2023-12-20 22:52:33,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:52:33,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425677008] [2023-12-20 22:52:33,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425677008] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 22:52:33,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 22:52:33,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2023-12-20 22:52:33,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143823712] [2023-12-20 22:52:33,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:52:33,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 22:52:33,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:52:33,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 22:52:33,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-12-20 22:52:33,539 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-20 22:52:37,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-20 22:52:39,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-20 22:52:39,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:52:39,624 INFO L93 Difference]: Finished difference Result 280 states and 391 transitions. [2023-12-20 22:52:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 22:52:39,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 187 [2023-12-20 22:52:39,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:52:39,626 INFO L225 Difference]: With dead ends: 280 [2023-12-20 22:52:39,626 INFO L226 Difference]: Without dead ends: 188 [2023-12-20 22:52:39,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-12-20 22:52:39,627 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 66 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-12-20 22:52:39,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 396 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2023-12-20 22:52:39,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-20 22:52:39,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 183. [2023-12-20 22:52:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 116 states have (on average 1.2155172413793103) internal successors, (141), 116 states have internal predecessors, (141), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-20 22:52:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 257 transitions. [2023-12-20 22:52:39,674 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 257 transitions. Word has length 187 [2023-12-20 22:52:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:52:39,676 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 257 transitions. [2023-12-20 22:52:39,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-20 22:52:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 257 transitions. [2023-12-20 22:52:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-20 22:52:39,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:52:39,677 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:52:39,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 22:52:39,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:52:39,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:52:39,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:52:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1906402155, now seen corresponding path program 1 times [2023-12-20 22:52:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:52:39,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312721270] [2023-12-20 22:52:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:52:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:52:39,916 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:52:39,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026298953] [2023-12-20 22:52:39,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:52:39,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:52:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:52:39,924 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:52:39,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-20 22:52:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:52:40,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-20 22:52:40,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:52:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 682 proven. 210 refuted. 0 times theorem prover too weak. 732 trivial. 0 not checked. [2023-12-20 22:52:41,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:57:09,367 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:57:19,000 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:58:14,801 WARN L293 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:58:52,791 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:59:05,885 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-20 23:01:08,599 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:01:08,606 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 [2023-12-20 23:01:08,607 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-20 23:01:08,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-20 23:01:08,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:01:08,817 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 188 with TraceHistMax 29,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-21-2-2-1 context. [2023-12-20 23:01:08,821 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-20 23:01:08,823 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:01:08,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:01:08 BoogieIcfgContainer [2023-12-20 23:01:08,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:01:08,824 INFO L158 Benchmark]: Toolchain (without parser) took 874772.76ms. Allocated memory was 224.4MB in the beginning and 904.9MB in the end (delta: 680.5MB). Free memory was 172.6MB in the beginning and 497.8MB in the end (delta: -325.2MB). Peak memory consumption was 546.3MB. Max. memory is 8.0GB. [2023-12-20 23:01:08,824 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:01:08,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.34ms. Allocated memory is still 224.4MB. Free memory was 172.4MB in the beginning and 155.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-20 23:01:08,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.66ms. Allocated memory is still 224.4MB. Free memory was 155.7MB in the beginning and 150.7MB in the end (delta: 5.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 23:01:08,825 INFO L158 Benchmark]: Boogie Preprocessor took 85.95ms. Allocated memory is still 224.4MB. Free memory was 150.7MB in the beginning and 143.1MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-20 23:01:08,825 INFO L158 Benchmark]: RCFGBuilder took 4563.82ms. Allocated memory is still 224.4MB. Free memory was 142.8MB in the beginning and 162.5MB in the end (delta: -19.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-20 23:01:08,826 INFO L158 Benchmark]: TraceAbstraction took 869769.63ms. Allocated memory was 224.4MB in the beginning and 904.9MB in the end (delta: 680.5MB). Free memory was 162.0MB in the beginning and 497.8MB in the end (delta: -335.8MB). Peak memory consumption was 534.9MB. Max. memory is 8.0GB. [2023-12-20 23:01:08,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.34ms. Allocated memory is still 224.4MB. Free memory was 172.4MB in the beginning and 155.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.66ms. Allocated memory is still 224.4MB. Free memory was 155.7MB in the beginning and 150.7MB in the end (delta: 5.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.95ms. Allocated memory is still 224.4MB. Free memory was 150.7MB in the beginning and 143.1MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 4563.82ms. Allocated memory is still 224.4MB. Free memory was 142.8MB in the beginning and 162.5MB in the end (delta: -19.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 869769.63ms. Allocated memory was 224.4MB in the beginning and 904.9MB in the end (delta: 680.5MB). Free memory was 162.0MB in the beginning and 497.8MB in the end (delta: -335.8MB). Peak memory consumption was 534.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 188 with TraceHistMax 29,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-21-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 869.7s, OverallIterations: 6, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 749 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 707 mSDsluCounter, 1623 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 976 mSDsCounter, 292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 917 IncrementalHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 292 mSolverCounterUnsat, 647 mSDtfsCounter, 917 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1693 GetRequests, 1632 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=5, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 175 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 351.5s InterpolantComputationTime, 930 NumberOfCodeBlocks, 930 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1665 ConstructedInterpolants, 0 QuantifiedInterpolants, 4731 SizeOfPredicates, 39 NumberOfNonLiveVariables, 2373 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 14322/14616 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