/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_floatingpointinfluence_no-floats_file-64.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:35:26,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:35:26,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 03:35:26,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:35:26,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:35:26,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:35:26,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:35:26,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:35:26,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:35:26,287 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:35:26,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:35:26,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:35:26,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:35:26,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:35:26,289 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:35:26,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:35:26,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:35:26,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:35:26,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:35:26,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:35:26,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:35:26,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:35:26,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:35:26,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:35:26,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:35:26,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:35:26,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:35:26,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:35:26,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:35:26,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:35:26,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:35:26,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:35:26,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:35:26,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:35:26,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:35:26,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:35:26,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:35:26,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:35:26,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:35:26,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:35:26,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:35:26,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:35:26,497 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:35:26,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-64.i [2023-12-16 03:35:27,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:35:27,717 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:35:27,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-64.i [2023-12-16 03:35:27,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc3efe9e/cbe47304456e4331a5c1cd3d33a2509a/FLAG8675a7ca0 [2023-12-16 03:35:27,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc3efe9e/cbe47304456e4331a5c1cd3d33a2509a [2023-12-16 03:35:27,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:35:27,740 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:35:27,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:35:27,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:35:27,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:35:27,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:27,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6753e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27, skipping insertion in model container [2023-12-16 03:35:27,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:27,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:35:27,872 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_floatingpointinfluence_no-floats_file-64.i[916,929] [2023-12-16 03:35:27,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:35:27,936 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:35:27,948 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_floatingpointinfluence_no-floats_file-64.i[916,929] [2023-12-16 03:35:27,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:35:27,986 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:35:27,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27 WrapperNode [2023-12-16 03:35:27,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:35:27,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:35:27,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:35:27,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:35:27,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:27,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,021 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-12-16 03:35:28,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:35:28,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:35:28,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:35:28,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:35:28,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,049 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]. [2023-12-16 03:35:28,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:35:28,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:35:28,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:35:28,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:35:28,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (1/1) ... [2023-12-16 03:35:28,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:35:28,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:35:28,085 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) [2023-12-16 03:35:28,111 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 [2023-12-16 03:35:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:35:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:35:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:35:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:35:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:35:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:35:28,212 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:35:28,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:35:28,399 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:35:28,438 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:35:28,438 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:35:28,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:35:28 BoogieIcfgContainer [2023-12-16 03:35:28,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:35:28,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:35:28,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:35:28,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:35:28,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:35:27" (1/3) ... [2023-12-16 03:35:28,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e29cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:35:28, skipping insertion in model container [2023-12-16 03:35:28,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:35:27" (2/3) ... [2023-12-16 03:35:28,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e29cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:35:28, skipping insertion in model container [2023-12-16 03:35:28,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:35:28" (3/3) ... [2023-12-16 03:35:28,457 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-64.i [2023-12-16 03:35:28,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:35:28,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:35:28,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:35:28,505 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;@4afcc1db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:35:28,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:35:28,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-16 03:35:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-16 03:35:28,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:35:28,522 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:35:28,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:35:28,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:35:28,526 INFO L85 PathProgramCache]: Analyzing trace with hash 918318190, now seen corresponding path program 1 times [2023-12-16 03:35:28,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:35:28,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869327340] [2023-12-16 03:35:28,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:28,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:35:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:35:28,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:35:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869327340] [2023-12-16 03:35:28,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 03:35:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575501145] [2023-12-16 03:35:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:28,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:35:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:35:28,689 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) [2023-12-16 03:35:28,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 03:35:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:35:28,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 03:35:28,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:35:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-12-16 03:35:28,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:35:28,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575501145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:35:28,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:35:28,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 03:35:28,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785650877] [2023-12-16 03:35:28,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:35:28,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 03:35:28,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:35:28,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 03:35:28,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:35:28,911 INFO L87 Difference]: Start difference. First operand has 57 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-16 03:35:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:35:29,010 INFO L93 Difference]: Finished difference Result 111 states and 204 transitions. [2023-12-16 03:35:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 03:35:29,012 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 141 [2023-12-16 03:35:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:35:29,017 INFO L225 Difference]: With dead ends: 111 [2023-12-16 03:35:29,017 INFO L226 Difference]: Without dead ends: 55 [2023-12-16 03:35:29,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:35:29,021 INFO L413 NwaCegarLoop]: 82 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, 82 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 [2023-12-16 03:35:29,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:35:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-16 03:35:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-12-16 03:35:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-16 03:35:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 85 transitions. [2023-12-16 03:35:29,062 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 85 transitions. Word has length 141 [2023-12-16 03:35:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:35:29,062 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 85 transitions. [2023-12-16 03:35:29,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-16 03:35:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-12-16 03:35:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-16 03:35:29,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:35:29,070 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:35:29,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 03:35:29,271 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 [2023-12-16 03:35:29,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:35:29,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:35:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1690443700, now seen corresponding path program 1 times [2023-12-16 03:35:29,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:35:29,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317868352] [2023-12-16 03:35:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:35:29,309 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:35:29,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734126846] [2023-12-16 03:35:29,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:29,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:35:29,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:35:29,311 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) [2023-12-16 03:35:29,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 03:35:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:35:29,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 03:35:29,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:35:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-16 03:35:51,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:35:51,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:35:51,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317868352] [2023-12-16 03:35:51,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:35:51,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734126846] [2023-12-16 03:35:51,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734126846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:35:51,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:35:51,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 03:35:51,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121764784] [2023-12-16 03:35:51,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:35:51,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:35:51,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:35:51,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:35:51,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:35:51,546 INFO L87 Difference]: Start difference. First operand 55 states and 85 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:35:51,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:35:51,664 INFO L93 Difference]: Finished difference Result 126 states and 192 transitions. [2023-12-16 03:35:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 03:35:51,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 141 [2023-12-16 03:35:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:35:51,669 INFO L225 Difference]: With dead ends: 126 [2023-12-16 03:35:51,669 INFO L226 Difference]: Without dead ends: 72 [2023-12-16 03:35:51,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-16 03:35:51,673 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 48 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:35:51,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 351 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:35:51,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-16 03:35:51,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2023-12-16 03:35:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-16 03:35:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 96 transitions. [2023-12-16 03:35:51,687 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 96 transitions. Word has length 141 [2023-12-16 03:35:51,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:35:51,689 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 96 transitions. [2023-12-16 03:35:51,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:35:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-12-16 03:35:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-16 03:35:51,692 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:35:51,692 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:35:51,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 03:35:51,898 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 [2023-12-16 03:35:51,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:35:51,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:35:51,899 INFO L85 PathProgramCache]: Analyzing trace with hash 854270036, now seen corresponding path program 1 times [2023-12-16 03:35:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:35:51,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443127212] [2023-12-16 03:35:51,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:35:51,947 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:35:51,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315128941] [2023-12-16 03:35:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:51,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:35:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:35:51,956 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) [2023-12-16 03:35:51,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 03:35:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:35:52,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 03:35:52,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:35:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 465 proven. 18 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2023-12-16 03:35:52,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:35:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-16 03:35:52,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:35:52,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443127212] [2023-12-16 03:35:52,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:35:52,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315128941] [2023-12-16 03:35:52,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315128941] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:35:52,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:35:52,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 03:35:52,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834024266] [2023-12-16 03:35:52,207 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:35:52,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:35:52,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:35:52,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:35:52,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:35:52,208 INFO L87 Difference]: Start difference. First operand 63 states and 96 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-16 03:35:52,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:35:52,404 INFO L93 Difference]: Finished difference Result 159 states and 241 transitions. [2023-12-16 03:35:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 03:35:52,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 142 [2023-12-16 03:35:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:35:52,406 INFO L225 Difference]: With dead ends: 159 [2023-12-16 03:35:52,406 INFO L226 Difference]: Without dead ends: 97 [2023-12-16 03:35:52,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 03:35:52,407 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 68 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 03:35:52,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 166 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 03:35:52,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-12-16 03:35:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2023-12-16 03:35:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 49 states have internal predecessors, (58), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-16 03:35:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 140 transitions. [2023-12-16 03:35:52,416 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 140 transitions. Word has length 142 [2023-12-16 03:35:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:35:52,416 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 140 transitions. [2023-12-16 03:35:52,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-16 03:35:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2023-12-16 03:35:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-16 03:35:52,417 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:35:52,418 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:35:52,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-16 03:35:52,622 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 [2023-12-16 03:35:52,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:35:52,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:35:52,623 INFO L85 PathProgramCache]: Analyzing trace with hash 854210454, now seen corresponding path program 1 times [2023-12-16 03:35:52,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:35:52,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031451292] [2023-12-16 03:35:52,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:35:52,641 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:35:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302243777] [2023-12-16 03:35:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:52,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:35:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:35:52,642 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) [2023-12-16 03:35:52,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 03:35:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:35:52,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 03:35:52,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:35:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-16 03:35:52,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:35:52,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:35:52,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031451292] [2023-12-16 03:35:52,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:35:52,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302243777] [2023-12-16 03:35:52,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302243777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:35:52,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:35:52,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 03:35:52,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763385928] [2023-12-16 03:35:52,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:35:52,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 03:35:52,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:35:52,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 03:35:52,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:35:52,861 INFO L87 Difference]: Start difference. First operand 92 states and 140 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:35:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:35:52,872 INFO L93 Difference]: Finished difference Result 157 states and 236 transitions. [2023-12-16 03:35:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 03:35:52,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 142 [2023-12-16 03:35:52,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:35:52,874 INFO L225 Difference]: With dead ends: 157 [2023-12-16 03:35:52,874 INFO L226 Difference]: Without dead ends: 91 [2023-12-16 03:35:52,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:35:52,875 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:35:52,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 76 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:35:52,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-16 03:35:52,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2023-12-16 03:35:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 47 states have internal predecessors, (52), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-16 03:35:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 134 transitions. [2023-12-16 03:35:52,884 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 134 transitions. Word has length 142 [2023-12-16 03:35:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:35:52,884 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 134 transitions. [2023-12-16 03:35:52,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:35:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-12-16 03:35:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-16 03:35:52,885 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:35:52,885 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:35:52,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 03:35:53,090 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 [2023-12-16 03:35:53,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:35:53,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:35:53,091 INFO L85 PathProgramCache]: Analyzing trace with hash -210127823, now seen corresponding path program 1 times [2023-12-16 03:35:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:35:53,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11224718] [2023-12-16 03:35:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:53,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:35:53,106 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:35:53,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010569881] [2023-12-16 03:35:53,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:35:53,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:35:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:35:53,107 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) [2023-12-16 03:35:53,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 03:35:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:35:53,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 03:35:53,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:36:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-16 03:36:11,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:36:11,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:36:11,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11224718] [2023-12-16 03:36:11,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:36:11,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010569881] [2023-12-16 03:36:11,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010569881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:36:11,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:36:11,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 03:36:11,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889185420] [2023-12-16 03:36:11,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:36:11,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 03:36:11,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:36:11,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 03:36:11,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 03:36:11,129 INFO L87 Difference]: Start difference. First operand 90 states and 134 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:36:11,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:36:11,173 INFO L93 Difference]: Finished difference Result 125 states and 182 transitions. [2023-12-16 03:36:11,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 03:36:11,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 142 [2023-12-16 03:36:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:36:11,176 INFO L225 Difference]: With dead ends: 125 [2023-12-16 03:36:11,176 INFO L226 Difference]: Without dead ends: 123 [2023-12-16 03:36:11,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:36:11,177 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 40 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:36:11,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 383 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:36:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-16 03:36:11,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2023-12-16 03:36:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 65 states have internal predecessors, (70), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-16 03:36:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2023-12-16 03:36:11,203 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 142 [2023-12-16 03:36:11,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:36:11,204 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2023-12-16 03:36:11,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:36:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2023-12-16 03:36:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-16 03:36:11,205 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:36:11,206 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:36:11,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 03:36:11,411 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 [2023-12-16 03:36:11,412 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:36:11,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:36:11,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2108408509, now seen corresponding path program 1 times [2023-12-16 03:36:11,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:36:11,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053047787] [2023-12-16 03:36:11,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:11,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:36:11,443 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:36:11,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420116703] [2023-12-16 03:36:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:36:11,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:36:11,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:36:11,457 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) [2023-12-16 03:36:11,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 03:36:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:36:11,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 03:36:11,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:36:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-16 03:36:30,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:36:30,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:36:30,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053047787] [2023-12-16 03:36:30,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:36:30,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420116703] [2023-12-16 03:36:30,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420116703] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:36:30,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:36:30,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 03:36:30,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578891778] [2023-12-16 03:36:30,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:36:30,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 03:36:30,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:36:30,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 03:36:30,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 03:36:30,240 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:36:31,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:36:31,130 INFO L93 Difference]: Finished difference Result 133 states and 191 transitions. [2023-12-16 03:36:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 03:36:31,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 143 [2023-12-16 03:36:31,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:36:31,131 INFO L225 Difference]: With dead ends: 133 [2023-12-16 03:36:31,131 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 03:36:31,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 03:36:31,132 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 33 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 03:36:31,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 346 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 03:36:31,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 03:36:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 03:36:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 03:36:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 03:36:31,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2023-12-16 03:36:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:36:31,134 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 03:36:31,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-16 03:36:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 03:36:31,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 03:36:31,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:36:31,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-16 03:36:31,343 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 [2023-12-16 03:36:31,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 03:36:31,442 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L895 garLoopResultBuilder]: At program point L118-2(lines 118 124) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 52 54) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L118-3(lines 118 124) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 50) no Hoare annotation was computed. [2023-12-16 03:36:31,443 INFO L895 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: (and (= ~var_1_10~0 0) (<= 1 (mod ~var_1_12~0 256))) [2023-12-16 03:36:31,443 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L86-1(line 86) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2023-12-16 03:36:31,444 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L95-1(line 95) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L899 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L79-1(line 79) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 03:36:31,444 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (and (= ~var_1_10~0 0) (<= 1 (mod ~var_1_12~0 256))) [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L105-1(line 105) the Hoare annotation is: (and (= ~var_1_10~0 0) (<= 1 (mod ~var_1_12~0 256))) [2023-12-16 03:36:31,444 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,445 INFO L895 garLoopResultBuilder]: At program point L89-1(line 89) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 64) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L56-1(lines 40 70) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L106(lines 71 107) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,445 INFO L895 garLoopResultBuilder]: At program point L73-1(line 73) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 70) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L895 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,445 INFO L895 garLoopResultBuilder]: At program point L98-1(line 98) the Hoare annotation is: (and (= ~var_1_10~0 0) (<= 1 (mod ~var_1_12~0 256))) [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2023-12-16 03:36:31,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 68) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L83-1(line 83) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L92-1(line 92) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L76-1(line 76) the Hoare annotation is: (= ~var_1_10~0 0) [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 51) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 40 70) no Hoare annotation was computed. [2023-12-16 03:36:31,446 INFO L895 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (and (= ~var_1_10~0 0) (<= 1 (mod ~var_1_12~0 256))) [2023-12-16 03:36:31,447 INFO L895 garLoopResultBuilder]: At program point L101-1(line 101) the Hoare annotation is: (and (= ~var_1_10~0 0) (<= 1 (mod ~var_1_12~0 256))) [2023-12-16 03:36:31,447 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-16 03:36:31,447 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-16 03:36:31,447 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-16 03:36:31,447 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-16 03:36:31,449 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 03:36:31,450 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:36:31,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:36:31 BoogieIcfgContainer [2023-12-16 03:36:31,460 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:36:31,461 INFO L158 Benchmark]: Toolchain (without parser) took 63721.01ms. Allocated memory was 222.3MB in the beginning and 893.4MB in the end (delta: 671.1MB). Free memory was 154.4MB in the beginning and 568.0MB in the end (delta: -413.5MB). Peak memory consumption was 258.8MB. Max. memory is 8.0GB. [2023-12-16 03:36:31,461 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 222.3MB. Free memory was 172.0MB in the beginning and 171.9MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:36:31,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.43ms. Allocated memory was 222.3MB in the beginning and 298.8MB in the end (delta: 76.5MB). Free memory was 154.2MB in the beginning and 262.7MB in the end (delta: -108.5MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2023-12-16 03:36:31,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.37ms. Allocated memory is still 298.8MB. Free memory was 262.7MB in the beginning and 260.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 03:36:31,462 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 298.8MB. Free memory was 260.1MB in the beginning and 256.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 03:36:31,462 INFO L158 Benchmark]: RCFGBuilder took 379.51ms. Allocated memory is still 298.8MB. Free memory was 256.9MB in the beginning and 238.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 03:36:31,462 INFO L158 Benchmark]: TraceAbstraction took 63015.44ms. Allocated memory was 298.8MB in the beginning and 893.4MB in the end (delta: 594.5MB). Free memory was 237.5MB in the beginning and 568.0MB in the end (delta: -330.5MB). Peak memory consumption was 264.6MB. Max. memory is 8.0GB. [2023-12-16 03:36:31,463 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 222.3MB. Free memory was 172.0MB in the beginning and 171.9MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 245.43ms. Allocated memory was 222.3MB in the beginning and 298.8MB in the end (delta: 76.5MB). Free memory was 154.2MB in the beginning and 262.7MB in the end (delta: -108.5MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.37ms. Allocated memory is still 298.8MB. Free memory was 262.7MB in the beginning and 260.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 298.8MB. Free memory was 260.1MB in the beginning and 256.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 379.51ms. Allocated memory is still 298.8MB. Free memory was 256.9MB in the beginning and 238.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 63015.44ms. Allocated memory was 298.8MB in the beginning and 893.4MB in the end (delta: 594.5MB). Free memory was 237.5MB in the beginning and 568.0MB in the end (delta: -330.5MB). Peak memory consumption was 264.6MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.0s, OverallIterations: 6, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 219 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 1404 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 890 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 465 IncrementalHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 514 mSDtfsCounter, 465 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 964 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=5, InterpolantAutomatonStates: 39, 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, 6 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 175 PreInvPairs, 234 NumberOfFragments, 112 HoareAnnotationTreeSize, 175 FormulaSimplifications, 1005 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FormulaSimplificationsInter, 77 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 59.2s InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 986 ConstructedInterpolants, 0 QuantifiedInterpolants, 1795 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1887 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 7692/7728 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (var_1_10 == 0) RESULT: Ultimate proved your program to be correct! [2023-12-16 03:36:31,496 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...