/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-34.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:10:47,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:10:47,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 23:10:47,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:10:47,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:10:47,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:10:47,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:10:47,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:10:47,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:10:47,340 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:10:47,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:10:47,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:10:47,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:10:47,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:10:47,343 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:10:47,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:10:47,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:10:47,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:10:47,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:10:47,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:10:47,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:10:47,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:10:47,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:10:47,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:10:47,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:10:47,346 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:10:47,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:10:47,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:10:47,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:10:47,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:10:47,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:10:47,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:10:47,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:10:47,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:10:47,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:10:47,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:10:47,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:10:47,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:10:47,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:10:47,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:10:47,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:10:47,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:10:47,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:10:47,351 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:10:47,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:10:47,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:10:47,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:10:47,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:10:47,603 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:10:47,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-34.i [2023-12-20 23:10:48,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:10:48,888 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:10:48,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-34.i [2023-12-20 23:10:48,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11de5023/09f44df1cefc4b91a4eaf47d0bc00b7a/FLAG430950e8f [2023-12-20 23:10:48,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11de5023/09f44df1cefc4b91a4eaf47d0bc00b7a [2023-12-20 23:10:48,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:10:48,914 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:10:48,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:10:48,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:10:48,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:10:48,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:10:48" (1/1) ... [2023-12-20 23:10:48,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e063d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:48, skipping insertion in model container [2023-12-20 23:10:48,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:10:48" (1/1) ... [2023-12-20 23:10:48,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:10:49,092 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-34.i[915,928] [2023-12-20 23:10:49,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:10:49,142 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:10:49,151 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-34.i[915,928] [2023-12-20 23:10:49,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:10:49,187 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:10:49,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49 WrapperNode [2023-12-20 23:10:49,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:10:49,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:10:49,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:10:49,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:10:49,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,235 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-12-20 23:10:49,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:10:49,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:10:49,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:10:49,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:10:49,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,267 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-20 23:10:49,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:10:49,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:10:49,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:10:49,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:10:49,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (1/1) ... [2023-12-20 23:10:49,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:10:49,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:10:49,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-20 23:10:49,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-20 23:10:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:10:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:10:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:10:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:10:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:10:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:10:49,473 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:10:49,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:10:49,749 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:10:49,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:10:49,792 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:10:49,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:10:49 BoogieIcfgContainer [2023-12-20 23:10:49,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:10:49,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:10:49,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:10:49,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:10:49,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:10:48" (1/3) ... [2023-12-20 23:10:49,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c07cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:10:49, skipping insertion in model container [2023-12-20 23:10:49,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:10:49" (2/3) ... [2023-12-20 23:10:49,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c07cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:10:49, skipping insertion in model container [2023-12-20 23:10:49,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:10:49" (3/3) ... [2023-12-20 23:10:49,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-34.i [2023-12-20 23:10:49,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:10:49,814 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:10:49,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:10:49,857 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;@3370aa86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:10:49,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:10:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 31 states have internal predecessors, (46), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-20 23:10:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-20 23:10:49,869 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:10:49,869 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:10:49,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:10:49,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:10:49,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1065140516, now seen corresponding path program 1 times [2023-12-20 23:10:49,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:10:49,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134162098] [2023-12-20 23:10:49,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:49,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:10:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:10:50,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:10:50,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134162098] [2023-12-20 23:10:50,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:10:50,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798059490] [2023-12-20 23:10:50,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:50,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:10:50,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:10:50,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 23:10:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:10:50,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:10:50,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:10:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-12-20 23:10:50,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:10:50,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798059490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:10:50,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:10:50,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:10:50,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427675465] [2023-12-20 23:10:50,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:10:50,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:10:50,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:10:50,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:10:50,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:10:50,368 INFO L87 Difference]: Start difference. First operand has 46 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 31 states have internal predecessors, (46), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-20 23:10:50,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:10:50,399 INFO L93 Difference]: Finished difference Result 91 states and 156 transitions. [2023-12-20 23:10:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:10:50,403 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2023-12-20 23:10:50,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:10:50,409 INFO L225 Difference]: With dead ends: 91 [2023-12-20 23:10:50,409 INFO L226 Difference]: Without dead ends: 44 [2023-12-20 23:10:50,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:10:50,414 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:10:50,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:10:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-20 23:10:50,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-20 23:10:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-20 23:10:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 67 transitions. [2023-12-20 23:10:50,465 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 67 transitions. Word has length 86 [2023-12-20 23:10:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:10:50,466 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 67 transitions. [2023-12-20 23:10:50,466 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-20 23:10:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-12-20 23:10:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-20 23:10:50,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:10:50,469 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:10:50,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 23:10:50,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-20 23:10:50,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:10:50,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:10:50,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1189755674, now seen corresponding path program 1 times [2023-12-20 23:10:50,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:10:50,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088571787] [2023-12-20 23:10:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:50,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:10:50,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:10:50,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1082495009] [2023-12-20 23:10:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:50,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:10:50,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:10:50,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 23:10:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:10:50,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-20 23:10:50,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:10:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-20 23:10:50,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:10:50,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:10:50,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088571787] [2023-12-20 23:10:50,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:10:50,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082495009] [2023-12-20 23:10:50,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082495009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:10:50,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:10:50,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 23:10:50,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293437048] [2023-12-20 23:10:50,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:10:50,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 23:10:50,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:10:50,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 23:10:50,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:10:50,991 INFO L87 Difference]: Start difference. First operand 44 states and 67 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-20 23:10:51,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:10:51,181 INFO L93 Difference]: Finished difference Result 131 states and 198 transitions. [2023-12-20 23:10:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 23:10:51,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2023-12-20 23:10:51,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:10:51,187 INFO L225 Difference]: With dead ends: 131 [2023-12-20 23:10:51,187 INFO L226 Difference]: Without dead ends: 88 [2023-12-20 23:10:51,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-20 23:10:51,190 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:10:51,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 210 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:10:51,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-20 23:10:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 46. [2023-12-20 23:10:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-20 23:10:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2023-12-20 23:10:51,213 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 86 [2023-12-20 23:10:51,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:10:51,216 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2023-12-20 23:10:51,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-20 23:10:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2023-12-20 23:10:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-20 23:10:51,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:10:51,224 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:10:51,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 23:10:51,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-20 23:10:51,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:10:51,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:10:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash -487431796, now seen corresponding path program 1 times [2023-12-20 23:10:51,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:10:51,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569523759] [2023-12-20 23:10:51,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:10:51,465 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:10:51,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255800461] [2023-12-20 23:10:51,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:51,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:51,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:10:51,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:10:51,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 23:10:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:10:51,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 23:10:51,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:10:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-20 23:10:51,676 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:10:51,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:10:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569523759] [2023-12-20 23:10:51,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:10:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255800461] [2023-12-20 23:10:51,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255800461] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:10:51,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:10:51,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 23:10:51,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300611423] [2023-12-20 23:10:51,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:10:51,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 23:10:51,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:10:51,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 23:10:51,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 23:10:51,679 INFO L87 Difference]: Start difference. First operand 46 states and 69 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-20 23:10:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:10:51,768 INFO L93 Difference]: Finished difference Result 156 states and 234 transitions. [2023-12-20 23:10:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 23:10:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 87 [2023-12-20 23:10:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:10:51,772 INFO L225 Difference]: With dead ends: 156 [2023-12-20 23:10:51,773 INFO L226 Difference]: Without dead ends: 111 [2023-12-20 23:10:51,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:10:51,777 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 63 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:10:51,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 202 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:10:51,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-20 23:10:51,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 91. [2023-12-20 23:10:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:10:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 137 transitions. [2023-12-20 23:10:51,801 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 137 transitions. Word has length 87 [2023-12-20 23:10:51,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:10:51,802 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 137 transitions. [2023-12-20 23:10:51,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-20 23:10:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2023-12-20 23:10:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-20 23:10:51,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:10:51,804 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:10:51,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 23:10:52,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:52,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:10:52,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:10:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash -409781326, now seen corresponding path program 1 times [2023-12-20 23:10:52,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:10:52,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12087056] [2023-12-20 23:10:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:52,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:10:52,061 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:10:52,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706542264] [2023-12-20 23:10:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:52,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:52,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:10:52,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:10:52,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 23:10:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:10:52,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-20 23:10:52,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:10:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-20 23:10:52,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:10:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-20 23:10:52,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:10:52,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12087056] [2023-12-20 23:10:52,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:10:52,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706542264] [2023-12-20 23:10:52,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706542264] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:10:52,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:10:52,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-20 23:10:52,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646449357] [2023-12-20 23:10:52,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:10:52,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 23:10:52,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:10:52,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 23:10:52,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-20 23:10:52,515 INFO L87 Difference]: Start difference. First operand 91 states and 137 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-20 23:10:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:10:52,792 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2023-12-20 23:10:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 23:10:52,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2023-12-20 23:10:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:10:52,795 INFO L225 Difference]: With dead ends: 151 [2023-12-20 23:10:52,795 INFO L226 Difference]: Without dead ends: 105 [2023-12-20 23:10:52,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-12-20 23:10:52,801 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 232 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 23:10:52,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 239 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 23:10:52,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-20 23:10:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2023-12-20 23:10:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 68 states have internal predecessors, (89), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:10:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-12-20 23:10:52,833 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 88 [2023-12-20 23:10:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:10:52,834 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-12-20 23:10:52,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-20 23:10:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-12-20 23:10:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-20 23:10:52,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:10:52,835 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:10:52,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 23:10:53,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:53,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:10:53,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:10:53,054 INFO L85 PathProgramCache]: Analyzing trace with hash -996587340, now seen corresponding path program 1 times [2023-12-20 23:10:53,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:10:53,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429252456] [2023-12-20 23:10:53,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:53,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:10:53,112 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:10:53,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409515908] [2023-12-20 23:10:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:10:53,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:53,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:10:53,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:10:53,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 23:10:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:10:53,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:10:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:10:53,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:10:53,529 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:10:53,530 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:10:53,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 23:10:53,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:10:53,746 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-20 23:10:53,749 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:10:53,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:10:53 BoogieIcfgContainer [2023-12-20 23:10:53,846 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:10:53,847 INFO L158 Benchmark]: Toolchain (without parser) took 4933.58ms. Allocated memory was 200.3MB in the beginning and 275.8MB in the end (delta: 75.5MB). Free memory was 160.0MB in the beginning and 166.8MB in the end (delta: -6.8MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. [2023-12-20 23:10:53,847 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:10:53,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.35ms. Allocated memory is still 200.3MB. Free memory was 159.5MB in the beginning and 145.8MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 23:10:53,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.06ms. Allocated memory is still 200.3MB. Free memory was 145.8MB in the beginning and 142.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 23:10:53,848 INFO L158 Benchmark]: Boogie Preprocessor took 63.67ms. Allocated memory is still 200.3MB. Free memory was 142.3MB in the beginning and 137.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 23:10:53,848 INFO L158 Benchmark]: RCFGBuilder took 492.55ms. Allocated memory is still 200.3MB. Free memory was 136.9MB in the beginning and 112.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-20 23:10:53,848 INFO L158 Benchmark]: TraceAbstraction took 4051.30ms. Allocated memory was 200.3MB in the beginning and 275.8MB in the end (delta: 75.5MB). Free memory was 111.9MB in the beginning and 166.8MB in the end (delta: -55.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-20 23:10:53,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.35ms. Allocated memory is still 200.3MB. Free memory was 159.5MB in the beginning and 145.8MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.06ms. Allocated memory is still 200.3MB. Free memory was 145.8MB in the beginning and 142.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.67ms. Allocated memory is still 200.3MB. Free memory was 142.3MB in the beginning and 137.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 492.55ms. Allocated memory is still 200.3MB. Free memory was 136.9MB in the beginning and 112.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 4051.30ms. Allocated memory was 200.3MB in the beginning and 275.8MB in the end (delta: 75.5MB). Free memory was 111.9MB in the beginning and 166.8MB in the end (delta: -55.0MB). Peak memory consumption was 22.0MB. 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 bitwise operation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 128; [L23] unsigned long int var_1_7 = 16; [L24] unsigned long int var_1_9 = 32; [L25] unsigned char var_1_10 = 16; [L26] unsigned char var_1_11 = 8; [L27] unsigned char var_1_12 = 64; [L28] unsigned char var_1_13 = 1; [L29] signed long int var_1_14 = -200; [L30] signed short int var_1_15 = 0; [L31] signed short int var_1_16 = 24637; [L32] signed short int var_1_17 = 100; [L33] unsigned char var_1_18 = 1; [L34] unsigned char var_1_19 = 1; [L35] signed long int var_1_20 = 10; [L36] unsigned long int last_1_var_1_7 = 16; [L37] unsigned char last_1_var_1_10 = 16; [L38] signed long int last_1_var_1_14 = -200; [L39] signed short int last_1_var_1_15 = 0; [L40] signed short int last_1_var_1_17 = 100; [L41] unsigned char last_1_var_1_18 = 1; [L42] signed long int last_1_var_1_20 = 10; [L129] isInitial = 1 [L130] FCALL initially() [L131] int k_loop; [L132] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=32] [L132] COND TRUE k_loop < 1 [L133] CALL updateLastVariables() [L116] last_1_var_1_7 = var_1_7 [L117] last_1_var_1_10 = var_1_10 [L118] last_1_var_1_14 = var_1_14 [L119] last_1_var_1_15 = var_1_15 [L120] last_1_var_1_17 = var_1_17 [L121] last_1_var_1_18 = var_1_18 [L122] last_1_var_1_20 = var_1_20 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L95] var_1_9 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16] [L96] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16] [L97] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16] [L97] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16] [L98] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L98] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L99] var_1_11 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L100] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L101] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L102] var_1_12 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L103] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_12 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L104] RET assume_abort_if_not(var_1_12 <= 64) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L105] var_1_13 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L106] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L107] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L108] var_1_16 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L109] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_16 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L110] RET assume_abort_if_not(var_1_16 <= 32766) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L111] var_1_19 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L112] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L113] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L134] RET updateVariables() [L135] CALL step() [L46] unsigned char stepLocal_3 = var_1_13; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=0, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L47] COND TRUE ((((last_1_var_1_14) > ((last_1_var_1_20 | var_1_9))) ? (last_1_var_1_14) : ((last_1_var_1_20 | var_1_9)))) > stepLocal_3 [L48] var_1_15 = (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L52] COND TRUE var_1_15 > var_1_12 [L53] var_1_18 = (! var_1_19) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=-200, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L55] COND FALSE !(\read(var_1_18)) [L58] var_1_14 = 64 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L60] COND TRUE \read(last_1_var_1_18) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=128, var_1_20=10, var_1_7=16, var_1_9=1] [L61] COND TRUE last_1_var_1_15 <= ((last_1_var_1_7 + last_1_var_1_20) + last_1_var_1_10) [L62] var_1_1 = ((((last_1_var_1_7) < (last_1_var_1_20)) ? (last_1_var_1_7) : (last_1_var_1_20))) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=10, var_1_7=16, var_1_9=1] [L65] var_1_20 = last_1_var_1_17 [L66] signed long int stepLocal_6 = var_1_1; [L67] signed long int stepLocal_5 = var_1_20; [L68] unsigned char stepLocal_4 = var_1_13; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=16, var_1_9=1] [L69] COND FALSE !(stepLocal_4 > var_1_1) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=16, var_1_9=1] [L80] signed long int stepLocal_1 = var_1_20 + var_1_1; [L81] signed short int stepLocal_0 = var_1_17; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_0=100, stepLocal_1=110, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=16, var_1_9=1] [L82] COND TRUE stepLocal_0 == var_1_20 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_0=100, stepLocal_1=110, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=16, var_1_9=1] [L83] COND TRUE stepLocal_1 > (var_1_15 % var_1_9) [L84] var_1_7 = var_1_20 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_0=100, stepLocal_1=110, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=100, var_1_9=1] [L89] signed long int stepLocal_2 = (- var_1_1) + var_1_20; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_0=100, stepLocal_1=110, stepLocal_2=90, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=16, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=100, var_1_9=1] [L90] COND TRUE stepLocal_2 >= var_1_9 [L91] var_1_10 = (var_1_11 + (var_1_12 + var_1_13)) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, stepLocal_0=100, stepLocal_1=110, stepLocal_2=90, stepLocal_3=10, stepLocal_4=10, stepLocal_5=100, stepLocal_6=10, var_1_10=201, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=100, var_1_9=1] [L135] RET step() [L136] CALL, EXPR property() [L125-L126] return (((((((last_1_var_1_18 ? ((last_1_var_1_15 <= ((last_1_var_1_7 + last_1_var_1_20) + last_1_var_1_10)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_7) < (last_1_var_1_20)) ? (last_1_var_1_7) : (last_1_var_1_20))))) : 1) : 1) && ((var_1_17 == var_1_20) ? (((var_1_20 + var_1_1) > (var_1_15 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_20)) : (var_1_7 == ((unsigned long int) var_1_1))) : 1)) && ((((- var_1_1) + var_1_20) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_18 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((last_1_var_1_14) > ((last_1_var_1_20 | var_1_9))) ? (last_1_var_1_14) : ((last_1_var_1_20 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((last_1_var_1_20) > ((var_1_16 - var_1_11))) ? (last_1_var_1_20) : ((var_1_16 - var_1_11))))))))) && ((var_1_13 > var_1_1) ? ((var_1_1 <= 32u) ? ((var_1_20 <= last_1_var_1_17) ? (var_1_17 == ((signed short int) var_1_16)) : (var_1_17 == ((signed short int) -50))) : (var_1_17 == ((signed short int) var_1_11))) : 1)) && ((var_1_15 > var_1_12) ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1)) && (var_1_20 == ((signed long int) last_1_var_1_17)) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=201, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=100, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=16, last_1_var_1_14=-200, last_1_var_1_15=0, last_1_var_1_17=100, last_1_var_1_18=1, last_1_var_1_20=10, last_1_var_1_7=16, var_1_10=201, var_1_11=127, var_1_12=64, var_1_13=10, var_1_14=64, var_1_15=137, var_1_16=16383, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=100, var_1_7=100, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 715 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 399 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 328 IncrementalHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 316 mSDtfsCounter, 328 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 68 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 832 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1010 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 1554/1560 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 [2023-12-20 23:10:53,869 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...