/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-89.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 05:41:33,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 05:41:33,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 05:41:33,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 05:41:33,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 05:41:33,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 05:41:33,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 05:41:33,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 05:41:33,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 05:41:33,631 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 05:41:33,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 05:41:33,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 05:41:33,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 05:41:33,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 05:41:33,634 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 05:41:33,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 05:41:33,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 05:41:33,635 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 05:41:33,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 05:41:33,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 05:41:33,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 05:41:33,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 05:41:33,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 05:41:33,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 05:41:33,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 05:41:33,637 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 05:41:33,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 05:41:33,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 05:41:33,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 05:41:33,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 05:41:33,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 05:41:33,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 05:41:33,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 05:41:33,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 05:41:33,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 05:41:33,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 05:41:33,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 05:41:33,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 05:41:33,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 05:41:33,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 05:41:33,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 05:41:33,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 05:41:33,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 05:41:33,641 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 05:41:33,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 05:41:33,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 05:41:33,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 05:41:33,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 05:41:33,910 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 05:41:33,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-89.i [2023-12-19 05:41:35,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 05:41:35,335 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 05:41:35,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-89.i [2023-12-19 05:41:35,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e92d847b/cbb3d0f542dc46f89e920f2f9df27498/FLAG533d22e70 [2023-12-19 05:41:35,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e92d847b/cbb3d0f542dc46f89e920f2f9df27498 [2023-12-19 05:41:35,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 05:41:35,365 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 05:41:35,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 05:41:35,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 05:41:35,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 05:41:35,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b3c67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35, skipping insertion in model container [2023-12-19 05:41:35,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 05:41:35,573 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_codestructure_dependencies_file-89.i[919,932] [2023-12-19 05:41:35,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 05:41:35,634 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 05:41:35,653 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_codestructure_dependencies_file-89.i[919,932] [2023-12-19 05:41:35,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 05:41:35,707 INFO L206 MainTranslator]: Completed translation [2023-12-19 05:41:35,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35 WrapperNode [2023-12-19 05:41:35,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 05:41:35,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 05:41:35,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 05:41:35,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 05:41:35,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,755 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-12-19 05:41:35,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 05:41:35,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 05:41:35,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 05:41:35,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 05:41:35,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,787 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]. [2023-12-19 05:41:35,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 05:41:35,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 05:41:35,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 05:41:35,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 05:41:35,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (1/1) ... [2023-12-19 05:41:35,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 05:41:35,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:41:35,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 05:41:35,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 05:41:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 05:41:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 05:41:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 05:41:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 05:41:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 05:41:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 05:41:36,008 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 05:41:36,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 05:41:36,299 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 05:41:36,327 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 05:41:36,328 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 05:41:36,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:41:36 BoogieIcfgContainer [2023-12-19 05:41:36,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 05:41:36,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 05:41:36,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 05:41:36,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 05:41:36,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:41:35" (1/3) ... [2023-12-19 05:41:36,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb84168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:41:36, skipping insertion in model container [2023-12-19 05:41:36,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:41:35" (2/3) ... [2023-12-19 05:41:36,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb84168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:41:36, skipping insertion in model container [2023-12-19 05:41:36,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:41:36" (3/3) ... [2023-12-19 05:41:36,336 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-89.i [2023-12-19 05:41:36,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 05:41:36,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 05:41:36,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 05:41:36,413 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;@7081400e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 05:41:36,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 05:41:36,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.6) internal successors, (48), 31 states have internal predecessors, (48), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-19 05:41:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-19 05:41:36,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:41:36,430 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:41:36,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:41:36,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:41:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1575836394, now seen corresponding path program 1 times [2023-12-19 05:41:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:41:36,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848950594] [2023-12-19 05:41:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:41:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:41:36,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:41:36,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848950594] [2023-12-19 05:41:36,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 05:41:36,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606653419] [2023-12-19 05:41:36,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:36,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:41:36,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:41:36,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:41:36,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 05:41:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:41:36,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 05:41:36,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:41:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-12-19 05:41:36,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:41:36,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606653419] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:41:36,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:41:36,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 05:41:36,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172353884] [2023-12-19 05:41:36,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:41:36,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 05:41:36,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:41:36,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 05:41:36,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 05:41:36,875 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.6) internal successors, (48), 31 states have internal predecessors, (48), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-19 05:41:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:41:36,914 INFO L93 Difference]: Finished difference Result 85 states and 150 transitions. [2023-12-19 05:41:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 05:41:36,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2023-12-19 05:41:36,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:41:36,925 INFO L225 Difference]: With dead ends: 85 [2023-12-19 05:41:36,925 INFO L226 Difference]: Without dead ends: 41 [2023-12-19 05:41:36,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 05:41:36,935 INFO L413 NwaCegarLoop]: 59 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, 59 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 [2023-12-19 05:41:36,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 05:41:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-12-19 05:41:36,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-12-19 05:41:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 27 states have internal predecessors, (38), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-19 05:41:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 62 transitions. [2023-12-19 05:41:36,977 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 62 transitions. Word has length 78 [2023-12-19 05:41:36,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:41:36,977 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 62 transitions. [2023-12-19 05:41:36,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-19 05:41:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2023-12-19 05:41:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-19 05:41:36,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:41:36,981 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:41:36,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 05:41:37,188 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 [2023-12-19 05:41:37,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:41:37,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:41:37,190 INFO L85 PathProgramCache]: Analyzing trace with hash 944740330, now seen corresponding path program 1 times [2023-12-19 05:41:37,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:41:37,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003046641] [2023-12-19 05:41:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:37,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:41:37,249 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:41:37,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720035186] [2023-12-19 05:41:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:37,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:41:37,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:41:37,253 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) [2023-12-19 05:41:37,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 05:41:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:41:37,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 05:41:37,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:41:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-19 05:41:37,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 05:41:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-19 05:41:37,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:41:37,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003046641] [2023-12-19 05:41:37,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:41:37,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720035186] [2023-12-19 05:41:37,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720035186] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 05:41:37,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 05:41:37,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-19 05:41:37,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735534442] [2023-12-19 05:41:37,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 05:41:37,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 05:41:37,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:41:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 05:41:37,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 05:41:37,670 INFO L87 Difference]: Start difference. First operand 41 states and 62 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-19 05:41:37,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:41:37,829 INFO L93 Difference]: Finished difference Result 89 states and 130 transitions. [2023-12-19 05:41:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 05:41:37,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 78 [2023-12-19 05:41:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:41:37,833 INFO L225 Difference]: With dead ends: 89 [2023-12-19 05:41:37,833 INFO L226 Difference]: Without dead ends: 49 [2023-12-19 05:41:37,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 05:41:37,841 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 67 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 05:41:37,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 103 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 05:41:37,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-19 05:41:37,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2023-12-19 05:41:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-19 05:41:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2023-12-19 05:41:37,867 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 78 [2023-12-19 05:41:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:41:37,868 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2023-12-19 05:41:37,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-19 05:41:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2023-12-19 05:41:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-19 05:41:37,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:41:37,875 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:41:37,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 05:41:38,082 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 [2023-12-19 05:41:38,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:41:38,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:41:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash 946587372, now seen corresponding path program 1 times [2023-12-19 05:41:38,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:41:38,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11584572] [2023-12-19 05:41:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:38,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:41:38,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:41:38,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983653240] [2023-12-19 05:41:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:38,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:41:38,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:41:38,115 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) [2023-12-19 05:41:38,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 05:41:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:41:38,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 05:41:38,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:41:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-19 05:41:38,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:41:38,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:41:38,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11584572] [2023-12-19 05:41:38,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:41:38,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983653240] [2023-12-19 05:41:38,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983653240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:41:38,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:41:38,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 05:41:38,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378235927] [2023-12-19 05:41:38,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:41:38,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 05:41:38,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:41:38,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 05:41:38,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 05:41:38,324 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-19 05:41:38,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:41:38,352 INFO L93 Difference]: Finished difference Result 88 states and 126 transitions. [2023-12-19 05:41:38,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 05:41:38,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 78 [2023-12-19 05:41:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:41:38,357 INFO L225 Difference]: With dead ends: 88 [2023-12-19 05:41:38,357 INFO L226 Difference]: Without dead ends: 44 [2023-12-19 05:41:38,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 05:41:38,363 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 05:41:38,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 51 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 05:41:38,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-19 05:41:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-19 05:41:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-19 05:41:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2023-12-19 05:41:38,377 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 78 [2023-12-19 05:41:38,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:41:38,378 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2023-12-19 05:41:38,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-19 05:41:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-12-19 05:41:38,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-19 05:41:38,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:41:38,379 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:41:38,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 05:41:38,586 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 [2023-12-19 05:41:38,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:41:38,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:41:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1183008748, now seen corresponding path program 1 times [2023-12-19 05:41:38,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:41:38,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506459699] [2023-12-19 05:41:38,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:41:38,645 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:41:38,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286902990] [2023-12-19 05:41:38,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:41:38,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:41:38,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:41:38,651 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) [2023-12-19 05:41:38,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 05:41:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 05:41:38,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 05:41:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 05:41:38,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 05:41:38,819 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 05:41:38,820 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 05:41:38,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 05:41:39,031 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 [2023-12-19 05:41:39,035 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-19 05:41:39,037 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 05:41:39,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:41:39 BoogieIcfgContainer [2023-12-19 05:41:39,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 05:41:39,113 INFO L158 Benchmark]: Toolchain (without parser) took 3748.65ms. Allocated memory is still 285.2MB. Free memory was 238.3MB in the beginning and 237.4MB in the end (delta: 889.8kB). Peak memory consumption was 1.7MB. Max. memory is 8.0GB. [2023-12-19 05:41:39,113 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 05:41:39,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.97ms. Allocated memory is still 285.2MB. Free memory was 238.3MB in the beginning and 224.3MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-19 05:41:39,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.07ms. Allocated memory is still 285.2MB. Free memory was 224.3MB in the beginning and 220.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 05:41:39,114 INFO L158 Benchmark]: Boogie Preprocessor took 54.58ms. Allocated memory is still 285.2MB. Free memory was 220.9MB in the beginning and 215.6MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 05:41:39,115 INFO L158 Benchmark]: RCFGBuilder took 516.33ms. Allocated memory is still 285.2MB. Free memory was 215.6MB in the beginning and 195.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 05:41:39,115 INFO L158 Benchmark]: TraceAbstraction took 2782.27ms. Allocated memory is still 285.2MB. Free memory was 195.0MB in the beginning and 237.4MB in the end (delta: -42.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 05:41:39,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.97ms. Allocated memory is still 285.2MB. Free memory was 238.3MB in the beginning and 224.3MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.07ms. Allocated memory is still 285.2MB. Free memory was 224.3MB in the beginning and 220.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.58ms. Allocated memory is still 285.2MB. Free memory was 220.9MB in the beginning and 215.6MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 516.33ms. Allocated memory is still 285.2MB. Free memory was 215.6MB in the beginning and 195.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2782.27ms. Allocated memory is still 285.2MB. Free memory was 195.0MB in the beginning and 237.4MB in the end (delta: -42.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 117. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_8 = 32; [L25] signed long int var_1_9 = -16; [L26] unsigned short int var_1_10 = 5; [L27] unsigned char var_1_12 = 32; [L28] unsigned char var_1_13 = 1; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] double var_1_16 = 63.75; [L32] double var_1_17 = 8.5; [L33] signed short int var_1_18 = -64; [L34] signed long int last_1_var_1_1 = 32; [L35] unsigned char last_1_var_1_12 = 32; [L36] signed short int last_1_var_1_18 = -64; [L121] isInitial = 1 [L122] FCALL initially() [L123] COND TRUE 1 [L124] CALL updateLastVariables() [L112] last_1_var_1_1 = var_1_1 [L113] last_1_var_1_12 = var_1_12 [L114] last_1_var_1_18 = var_1_18 [L124] RET updateLastVariables() [L125] CALL updateVariables() [L92] var_1_4 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16] [L93] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16] [L94] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L94] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L95] var_1_9 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L96] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L97] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L97] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L98] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L98] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L99] var_1_10 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L100] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L101] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L101] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L102] var_1_13 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L103] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L104] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L104] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L105] var_1_15 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L106] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L107] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L107] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L108] var_1_17 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L109] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L125] RET updateVariables() [L126] CALL step() [L40] COND FALSE !(last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) [L47] var_1_8 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L49] var_1_18 = var_1_8 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L50] COND FALSE !(var_1_10 < var_1_18) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L61] COND FALSE !(var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L72] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L79] COND FALSE !(\read(var_1_14)) [L82] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L85] COND FALSE !(var_1_18 != var_1_12) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L126] RET step() [L127] CALL, EXPR property() [L117-L118] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8)) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 213 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 153 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 SizeOfPredicates, 2 NumberOfNonLiveVariables, 601 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1050/1056 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 05:41:39,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...