/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_fillercode_fillercodestructure_normal_file-59.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 10:21:01,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 10:21:01,395 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 10:21:01,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 10:21:01,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 10:21:01,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 10:21:01,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 10:21:01,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 10:21:01,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 10:21:01,424 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 10:21:01,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 10:21:01,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 10:21:01,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 10:21:01,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 10:21:01,427 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 10:21:01,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 10:21:01,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 10:21:01,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 10:21:01,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 10:21:01,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 10:21:01,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 10:21:01,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 10:21:01,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 10:21:01,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 10:21:01,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 10:21:01,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 10:21:01,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 10:21:01,429 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 10:21:01,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 10:21:01,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 10:21:01,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 10:21:01,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 10:21:01,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 10:21:01,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 10:21:01,432 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 10:21:01,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 10:21:01,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 10:21:01,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 10:21:01,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 10:21:01,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 10:21:01,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 10:21:01,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 10:21:01,649 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 10:21:01,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i [2023-12-19 10:21:02,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 10:21:02,871 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 10:21:02,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i [2023-12-19 10:21:02,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e1ac61a/013d1b04d59844c588c21a807f991dcc/FLAGb4e99251d [2023-12-19 10:21:02,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e1ac61a/013d1b04d59844c588c21a807f991dcc [2023-12-19 10:21:02,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 10:21:02,892 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 10:21:02,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 10:21:02,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 10:21:02,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 10:21:02,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 10:21:02" (1/1) ... [2023-12-19 10:21:02,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa3960a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:02, skipping insertion in model container [2023-12-19 10:21:02,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 10:21:02" (1/1) ... [2023-12-19 10:21:02,923 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 10:21:03,055 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_fillercode_fillercodestructure_normal_file-59.i[913,926] [2023-12-19 10:21:03,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 10:21:03,135 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 10:21:03,147 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_fillercode_fillercodestructure_normal_file-59.i[913,926] [2023-12-19 10:21:03,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 10:21:03,182 INFO L206 MainTranslator]: Completed translation [2023-12-19 10:21:03,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03 WrapperNode [2023-12-19 10:21:03,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 10:21:03,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 10:21:03,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 10:21:03,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 10:21:03,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,234 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2023-12-19 10:21:03,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 10:21:03,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 10:21:03,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 10:21:03,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 10:21:03,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,268 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 10:21:03,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 10:21:03,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 10:21:03,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 10:21:03,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 10:21:03,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (1/1) ... [2023-12-19 10:21:03,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 10:21:03,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:21:03,332 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 10:21:03,350 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 10:21:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 10:21:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 10:21:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 10:21:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 10:21:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 10:21:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 10:21:03,431 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 10:21:03,434 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 10:21:03,714 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 10:21:03,742 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 10:21:03,742 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 10:21:03,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:21:03 BoogieIcfgContainer [2023-12-19 10:21:03,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 10:21:03,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 10:21:03,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 10:21:03,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 10:21:03,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 10:21:02" (1/3) ... [2023-12-19 10:21:03,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327dc24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 10:21:03, skipping insertion in model container [2023-12-19 10:21:03,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:21:03" (2/3) ... [2023-12-19 10:21:03,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327dc24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 10:21:03, skipping insertion in model container [2023-12-19 10:21:03,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:21:03" (3/3) ... [2023-12-19 10:21:03,751 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-59.i [2023-12-19 10:21:03,765 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 10:21:03,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 10:21:03,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 10:21:03,803 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;@68dae152, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 10:21:03,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 10:21:03,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-19 10:21:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-19 10:21:03,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:21:03,814 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:03,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:21:03,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:21:03,821 INFO L85 PathProgramCache]: Analyzing trace with hash -962313202, now seen corresponding path program 1 times [2023-12-19 10:21:03,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:21:03,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693177865] [2023-12-19 10:21:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:03,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:21:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:21:03,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:21:03,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693177865] [2023-12-19 10:21:03,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 10:21:03,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530617896] [2023-12-19 10:21:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:03,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:21:03,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:21:03,987 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 10:21:04,008 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 10:21:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:21:04,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 10:21:04,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:21:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-12-19 10:21:04,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 10:21:04,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530617896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:21:04,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:21:04,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 10:21:04,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068242251] [2023-12-19 10:21:04,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:21:04,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 10:21:04,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:21:04,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 10:21:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 10:21:04,190 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-19 10:21:04,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:21:04,234 INFO L93 Difference]: Finished difference Result 93 states and 160 transitions. [2023-12-19 10:21:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 10:21:04,237 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-12-19 10:21:04,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:21:04,241 INFO L225 Difference]: With dead ends: 93 [2023-12-19 10:21:04,242 INFO L226 Difference]: Without dead ends: 46 [2023-12-19 10:21:04,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 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 10:21:04,246 INFO L413 NwaCegarLoop]: 66 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, 66 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 10:21:04,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 10:21:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-19 10:21:04,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-19 10:21:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-19 10:21:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2023-12-19 10:21:04,283 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 91 [2023-12-19 10:21:04,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:21:04,283 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2023-12-19 10:21:04,284 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-19 10:21:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2023-12-19 10:21:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-19 10:21:04,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:21:04,286 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:04,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 10:21:04,488 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 10:21:04,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:21:04,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:21:04,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1652727722, now seen corresponding path program 1 times [2023-12-19 10:21:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:21:04,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338642316] [2023-12-19 10:21:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:04,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:21:04,535 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:21:04,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1297895674] [2023-12-19 10:21:04,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:04,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:21:04,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:21:04,545 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 10:21:04,568 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 10:21:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:21:04,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 10:21:04,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:21:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-19 10:21:04,788 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 10:21:04,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:21:04,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338642316] [2023-12-19 10:21:04,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:21:04,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297895674] [2023-12-19 10:21:04,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297895674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:21:04,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:21:04,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 10:21:04,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980219594] [2023-12-19 10:21:04,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:21:04,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 10:21:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:21:04,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 10:21:04,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 10:21:04,791 INFO L87 Difference]: Start difference. First operand 46 states and 69 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-19 10:21:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:21:04,908 INFO L93 Difference]: Finished difference Result 137 states and 206 transitions. [2023-12-19 10:21:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 10:21:04,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2023-12-19 10:21:04,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:21:04,911 INFO L225 Difference]: With dead ends: 137 [2023-12-19 10:21:04,911 INFO L226 Difference]: Without dead ends: 92 [2023-12-19 10:21:04,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 10:21:04,913 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 44 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 10:21:04,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 194 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 10:21:04,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-19 10:21:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 74. [2023-12-19 10:21:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 10:21:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 110 transitions. [2023-12-19 10:21:04,934 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 110 transitions. Word has length 91 [2023-12-19 10:21:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:21:04,935 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 110 transitions. [2023-12-19 10:21:04,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-19 10:21:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2023-12-19 10:21:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-19 10:21:04,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:21:04,936 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:04,948 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 10:21:05,142 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 10:21:05,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:21:05,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:21:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash 77792638, now seen corresponding path program 1 times [2023-12-19 10:21:05,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:21:05,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137918637] [2023-12-19 10:21:05,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:05,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:21:05,169 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:21:05,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206825125] [2023-12-19 10:21:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:05,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:21:05,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:21:05,175 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 10:21:05,201 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 10:21:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:21:05,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-19 10:21:05,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:21:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-19 10:21:05,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 10:21:05,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:21:05,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137918637] [2023-12-19 10:21:05,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:21:05,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206825125] [2023-12-19 10:21:05,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206825125] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:21:05,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:21:05,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 10:21:05,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473948388] [2023-12-19 10:21:05,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:21:05,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 10:21:05,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:21:05,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 10:21:05,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 10:21:05,658 INFO L87 Difference]: Start difference. First operand 74 states and 110 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-19 10:21:05,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:21:05,827 INFO L93 Difference]: Finished difference Result 173 states and 257 transitions. [2023-12-19 10:21:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 10:21:05,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2023-12-19 10:21:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:21:05,830 INFO L225 Difference]: With dead ends: 173 [2023-12-19 10:21:05,830 INFO L226 Difference]: Without dead ends: 128 [2023-12-19 10:21:05,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-12-19 10:21:05,832 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 81 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 10:21:05,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 280 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 10:21:05,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-19 10:21:05,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 117. [2023-12-19 10:21:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 71 states have internal predecessors, (91), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-19 10:21:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 175 transitions. [2023-12-19 10:21:05,852 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 175 transitions. Word has length 92 [2023-12-19 10:21:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:21:05,854 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 175 transitions. [2023-12-19 10:21:05,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-19 10:21:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions. [2023-12-19 10:21:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-19 10:21:05,857 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:21:05,857 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:05,866 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 10:21:06,058 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 10:21:06,059 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:21:06,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:21:06,059 INFO L85 PathProgramCache]: Analyzing trace with hash -234886463, now seen corresponding path program 1 times [2023-12-19 10:21:06,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:21:06,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569943002] [2023-12-19 10:21:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:06,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:21:06,085 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:21:06,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924720207] [2023-12-19 10:21:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:21:06,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:21:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:21:06,092 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 10:21:06,112 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 10:21:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:21:06,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-19 10:21:06,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:21:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 145 proven. 129 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-19 10:21:07,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 10:21:21,877 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-19 10:21:37,910 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-19 10:22:19,036 WARN L293 SmtUtils]: Spent 15.65s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-19 10:22:24,774 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 10:22:42,472 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse4 (mod c_~var_1_19~0 4294967296)) (.cse2 (div (mod c_~var_1_6~0 65536) .cse7))) (let ((.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse3 (mod (* c_~var_1_19~0 .cse2) 4294967296)) (.cse5 (mod |c_ULTIMATE.start_step_~stepLocal_2~0#1| 65536)) (.cse6 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse1 (+ .cse4 1))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (or (not (= .cse3 .cse0)) (< .cse4 .cse0)) (or (< .cse5 .cse3) (< .cse3 .cse6) (< .cse4 .cse3)) (forall ((v_z_6 Int)) (or (not (= (mod (* v_z_6 .cse2) 4294967296) v_z_6)) (< .cse5 v_z_6) (< v_z_6 .cse6) (< v_z_6 .cse1))))))) is different from false [2023-12-19 10:23:02,558 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 10:23:15,605 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse2 (div (mod c_~var_1_6~0 65536) .cse7)) (.cse4 (mod c_~var_1_19~0 4294967296))) (let ((.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse1 (+ .cse4 1)) (.cse6 (mod c_~var_1_17~0 65536)) (.cse5 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse3 (mod (* c_~var_1_19~0 .cse2) 4294967296))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (or (not (= .cse3 .cse0)) (< .cse4 .cse0)) (forall ((v_z_6 Int)) (or (not (= (mod (* v_z_6 .cse2) 4294967296) v_z_6)) (< v_z_6 .cse5) (< v_z_6 .cse1) (< .cse6 v_z_6))) (or (< .cse6 .cse3) (< .cse3 .cse5) (< .cse4 .cse3)))))) is different from false [2023-12-19 10:23:28,656 WARN L293 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 10:23:36,672 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 10:24:39,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:24:39,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569943002] [2023-12-19 10:24:39,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:24:39,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924720207] [2023-12-19 10:24:39,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924720207] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 10:24:39,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-19 10:24:39,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2023-12-19 10:24:39,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691057346] [2023-12-19 10:24:39,933 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-19 10:24:39,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-19 10:24:39,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:24:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-19 10:24:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=638, Unknown=10, NotChecked=114, Total=992 [2023-12-19 10:24:39,934 INFO L87 Difference]: Start difference. First operand 117 states and 175 transitions. Second operand has 22 states, 22 states have (on average 2.0) internal successors, (44), 20 states have internal predecessors, (44), 6 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-12-19 10:24:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:24:52,893 INFO L93 Difference]: Finished difference Result 252 states and 322 transitions. [2023-12-19 10:24:52,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-19 10:24:52,894 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.0) internal successors, (44), 20 states have internal predecessors, (44), 6 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 93 [2023-12-19 10:24:52,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:24:52,896 INFO L225 Difference]: With dead ends: 252 [2023-12-19 10:24:52,896 INFO L226 Difference]: Without dead ends: 207 [2023-12-19 10:24:52,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 114.6s TimeCoverageRelationStatistics Valid=490, Invalid=1398, Unknown=12, NotChecked=170, Total=2070 [2023-12-19 10:24:52,899 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 158 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 10:24:52,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 281 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 10:24:52,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-12-19 10:24:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 179. [2023-12-19 10:24:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 118 states have (on average 1.1694915254237288) internal successors, (138), 118 states have internal predecessors, (138), 42 states have call successors, (42), 18 states have call predecessors, (42), 18 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-19 10:24:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 222 transitions. [2023-12-19 10:24:52,918 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 222 transitions. Word has length 93 [2023-12-19 10:24:52,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:24:52,918 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 222 transitions. [2023-12-19 10:24:52,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.0) internal successors, (44), 20 states have internal predecessors, (44), 6 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-12-19 10:24:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 222 transitions. [2023-12-19 10:24:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-19 10:24:52,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:24:52,920 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:52,927 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 10:24:53,127 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 10:24:53,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:24:53,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:24:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash -177628161, now seen corresponding path program 1 times [2023-12-19 10:24:53,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:24:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227288576] [2023-12-19 10:24:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:24:53,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:24:53,157 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:24:53,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806403040] [2023-12-19 10:24:53,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:24:53,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:24:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:24:53,169 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) [2023-12-19 10:24:53,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 10:24:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:24:53,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-19 10:24:53,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:24:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-19 10:24:53,422 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 10:24:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-19 10:24:53,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:24:53,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227288576] [2023-12-19 10:24:53,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:24:53,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806403040] [2023-12-19 10:24:53,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806403040] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 10:24:53,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 10:24:53,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2023-12-19 10:24:53,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995174809] [2023-12-19 10:24:53,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 10:24:53,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-19 10:24:53,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:24:53,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-19 10:24:53,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-12-19 10:24:53,576 INFO L87 Difference]: Start difference. First operand 179 states and 222 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-19 10:24:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:24:54,472 INFO L93 Difference]: Finished difference Result 742 states and 914 transitions. [2023-12-19 10:24:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-19 10:24:54,473 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 93 [2023-12-19 10:24:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:24:54,476 INFO L225 Difference]: With dead ends: 742 [2023-12-19 10:24:54,476 INFO L226 Difference]: Without dead ends: 612 [2023-12-19 10:24:54,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=317, Invalid=1015, Unknown=0, NotChecked=0, Total=1332 [2023-12-19 10:24:54,478 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 387 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 10:24:54,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 677 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 10:24:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2023-12-19 10:24:54,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 383. [2023-12-19 10:24:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 263 states have (on average 1.1596958174904943) internal successors, (305), 266 states have internal predecessors, (305), 79 states have call successors, (79), 40 states have call predecessors, (79), 40 states have return successors, (79), 76 states have call predecessors, (79), 79 states have call successors, (79) [2023-12-19 10:24:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 463 transitions. [2023-12-19 10:24:54,525 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 463 transitions. Word has length 93 [2023-12-19 10:24:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:24:54,526 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 463 transitions. [2023-12-19 10:24:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-19 10:24:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 463 transitions. [2023-12-19 10:24:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-19 10:24:54,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:24:54,527 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:54,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 10:24:54,733 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 [2023-12-19 10:24:54,733 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:24:54,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:24:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash 523436417, now seen corresponding path program 1 times [2023-12-19 10:24:54,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:24:54,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802985316] [2023-12-19 10:24:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:24:54,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:24:54,749 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:24:54,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250082334] [2023-12-19 10:24:54,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:24:54,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:24:54,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:24:54,750 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) [2023-12-19 10:24:54,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 10:24:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:24:54,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-19 10:24:54,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:24:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 133 proven. 81 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-19 10:24:55,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 10:26:17,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:26:17,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802985316] [2023-12-19 10:26:17,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:26:17,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250082334] [2023-12-19 10:26:17,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250082334] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 10:26:17,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-19 10:26:17,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-12-19 10:26:17,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281697905] [2023-12-19 10:26:17,659 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-19 10:26:17,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-19 10:26:17,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:26:17,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-19 10:26:17,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=479, Unknown=2, NotChecked=0, Total=650 [2023-12-19 10:26:17,661 INFO L87 Difference]: Start difference. First operand 383 states and 463 transitions. Second operand has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 15 states have internal predecessors, (38), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-19 10:26:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:26:18,677 INFO L93 Difference]: Finished difference Result 730 states and 882 transitions. [2023-12-19 10:26:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 10:26:18,680 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 15 states have internal predecessors, (38), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 93 [2023-12-19 10:26:18,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:26:18,684 INFO L225 Difference]: With dead ends: 730 [2023-12-19 10:26:18,684 INFO L226 Difference]: Without dead ends: 400 [2023-12-19 10:26:18,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 42.9s TimeCoverageRelationStatistics Valid=301, Invalid=819, Unknown=2, NotChecked=0, Total=1122 [2023-12-19 10:26:18,686 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 10:26:18,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 279 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 10:26:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-19 10:26:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 383. [2023-12-19 10:26:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 263 states have (on average 1.1520912547528517) internal successors, (303), 266 states have internal predecessors, (303), 79 states have call successors, (79), 40 states have call predecessors, (79), 40 states have return successors, (79), 76 states have call predecessors, (79), 79 states have call successors, (79) [2023-12-19 10:26:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 461 transitions. [2023-12-19 10:26:18,713 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 461 transitions. Word has length 93 [2023-12-19 10:26:18,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:26:18,715 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 461 transitions. [2023-12-19 10:26:18,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 15 states have internal predecessors, (38), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-19 10:26:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 461 transitions. [2023-12-19 10:26:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-19 10:26:18,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:26:18,719 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:18,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 10:26:18,926 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 [2023-12-19 10:26:18,926 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:26:18,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:26:18,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1299094144, now seen corresponding path program 1 times [2023-12-19 10:26:18,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:26:18,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064577422] [2023-12-19 10:26:18,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:26:18,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:26:18,944 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:26:18,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [682775090] [2023-12-19 10:26:18,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:26:18,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:26:18,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:26:18,948 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 10:26:18,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 10:26:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 10:26:19,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 10:26:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 10:26:19,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 10:26:19,618 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 10:26:19,619 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 10:26:19,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 10:26:19,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:26:19,831 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:26:19,833 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 10:26:19,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 10:26:19 BoogieIcfgContainer [2023-12-19 10:26:19,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 10:26:19,898 INFO L158 Benchmark]: Toolchain (without parser) took 317008.27ms. Allocated memory was 175.1MB in the beginning and 244.3MB in the end (delta: 69.2MB). Free memory was 128.0MB in the beginning and 97.8MB in the end (delta: 30.2MB). Peak memory consumption was 100.9MB. Max. memory is 8.0GB. [2023-12-19 10:26:19,898 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 175.1MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 10:26:19,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.32ms. Allocated memory is still 175.1MB. Free memory was 128.0MB in the beginning and 113.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 10:26:19,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.88ms. Allocated memory is still 175.1MB. Free memory was 113.9MB in the beginning and 110.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 10:26:19,900 INFO L158 Benchmark]: Boogie Preprocessor took 58.83ms. Allocated memory is still 175.1MB. Free memory was 110.1MB in the beginning and 103.5MB in the end (delta: 6.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-19 10:26:19,904 INFO L158 Benchmark]: RCFGBuilder took 447.74ms. Allocated memory is still 175.1MB. Free memory was 103.5MB in the beginning and 137.2MB in the end (delta: -33.6MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. [2023-12-19 10:26:19,904 INFO L158 Benchmark]: TraceAbstraction took 316154.13ms. Allocated memory was 175.1MB in the beginning and 244.3MB in the end (delta: 69.2MB). Free memory was 136.1MB in the beginning and 97.8MB in the end (delta: 38.3MB). Peak memory consumption was 108.0MB. Max. memory is 8.0GB. [2023-12-19 10:26:19,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 175.1MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.32ms. Allocated memory is still 175.1MB. Free memory was 128.0MB in the beginning and 113.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.88ms. Allocated memory is still 175.1MB. Free memory was 113.9MB in the beginning and 110.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.83ms. Allocated memory is still 175.1MB. Free memory was 110.1MB in the beginning and 103.5MB in the end (delta: 6.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 447.74ms. Allocated memory is still 175.1MB. Free memory was 103.5MB in the beginning and 137.2MB in the end (delta: -33.6MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. * TraceAbstraction took 316154.13ms. Allocated memory was 175.1MB in the beginning and 244.3MB in the end (delta: 69.2MB). Free memory was 136.1MB in the beginning and 97.8MB in the end (delta: 38.3MB). Peak memory consumption was 108.0MB. 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 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int last_1_var_1_5 = 0; [L39] unsigned char last_1_var_1_15 = 1; [L40] unsigned char last_1_var_1_18 = 1; [L41] unsigned long int last_1_var_1_19 = 1; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L123] last_1_var_1_5 = var_1_5 [L124] last_1_var_1_15 = var_1_15 [L125] last_1_var_1_18 = var_1_18 [L126] last_1_var_1_19 = var_1_19 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L99] var_1_4 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L100] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L101] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L101] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L102] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L102] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L103] var_1_6 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=27651, var_1_8=1289/10] [L104] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=27651, var_1_8=1289/10] [L105] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=27651, var_1_8=1289/10] [L105] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=27651, var_1_8=1289/10] [L106] var_1_7 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L107] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L108] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L108] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L109] var_1_10 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L111] var_1_11 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L112] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L113] var_1_12 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L114] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L115] var_1_14 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L116] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L117] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L117] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L118] var_1_16 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L119] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L120] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L120] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L137] RET updateVariables() [L138] CALL step() [L45] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L46] COND TRUE \read(last_1_var_1_18) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=1289/10] [L47] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L48] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L55] COND TRUE var_1_12 != var_1_8 [L56] var_1_15 = (! var_1_16) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L60] var_1_17 = var_1_4 [L61] var_1_18 = var_1_16 [L62] var_1_19 = var_1_4 [L63] unsigned short int stepLocal_1 = var_1_17; [L64] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=1, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L65] COND FALSE !(stepLocal_0 && var_1_15) [L76] var_1_1 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L78] unsigned short int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_2=8, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L79] COND FALSE !(stepLocal_2 < last_1_var_1_5) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_2=8, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=0, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L82] COND TRUE ! var_1_15 [L83] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_2=8, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=32775, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L86] unsigned short int stepLocal_5 = var_1_6; [L87] unsigned short int stepLocal_4 = var_1_5; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_2=8, stepLocal_3=1, stepLocal_4=32775, stepLocal_5=43704, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=32775, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L88] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_2=8, stepLocal_3=1, stepLocal_4=32775, stepLocal_5=43704, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=32775, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L89] COND TRUE var_1_5 <= stepLocal_5 [L90] var_1_13 = 32 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=8, stepLocal_2=8, stepLocal_3=1, stepLocal_4=32775, stepLocal_5=43704, var_1_10=0, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=32775, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=32775, var_1_6=43704, var_1_7=32767, var_1_8=509/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=8, var_1_18=1, var_1_19=8, var_1_1=8, var_1_4=8, var_1_5=32775, var_1_6=43704, var_1_7=32767, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 316.0s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 738 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 724 mSDsluCounter, 1777 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1395 mSDsCounter, 304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1506 IncrementalHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 304 mSolverCounterUnsat, 382 mSDtfsCounter, 1506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 823 GetRequests, 701 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1094 ImplicationChecksByTransitivity, 157.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred in iteration=5, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 303 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 296.4s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 639 ConstructedInterpolants, 0 QuantifiedInterpolants, 4771 SizeOfPredicates, 41 NumberOfNonLiveVariables, 1512 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2332/2548 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 10:26:20,055 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...