/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-while_file-11.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:17:18,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:17:18,579 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 23:17:18,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:17:18,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:17:18,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:17:18,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:17:18,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:17:18,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:17:18,610 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:17:18,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:17:18,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:17:18,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:17:18,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:17:18,613 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:17:18,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:17:18,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:17:18,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:17:18,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:17:18,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:17:18,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:17:18,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:17:18,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:17:18,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:17:18,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:17:18,616 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:17:18,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:17:18,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:17:18,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:17:18,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:17:18,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:17:18,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:17:18,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:17:18,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:17:18,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:17:18,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:17:18,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:17:18,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:17:18,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:17:18,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:17:18,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:17:18,837 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:17:18,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-11.i [2023-12-20 23:17:19,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:17:20,036 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:17:20,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-11.i [2023-12-20 23:17:20,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abe506c9/a5ce557acfbf4d94af96c9566125398f/FLAGaec2ddb77 [2023-12-20 23:17:20,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abe506c9/a5ce557acfbf4d94af96c9566125398f [2023-12-20 23:17:20,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:17:20,063 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:17:20,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:17:20,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:17:20,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:17:20,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fd8a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20, skipping insertion in model container [2023-12-20 23:17:20,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:17:20,214 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-while_file-11.i[915,928] [2023-12-20 23:17:20,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:17:20,254 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:17:20,262 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-while_file-11.i[915,928] [2023-12-20 23:17:20,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:17:20,289 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:17:20,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20 WrapperNode [2023-12-20 23:17:20,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:17:20,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:17:20,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:17:20,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:17:20,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,332 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-12-20 23:17:20,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:17:20,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:17:20,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:17:20,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:17:20,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,359 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 23:17:20,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:17:20,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:17:20,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:17:20,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:17:20,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (1/1) ... [2023-12-20 23:17:20,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:17:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:17:20,411 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 23:17:20,444 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 23:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:17:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:17:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:17:20,517 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:17:20,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:17:20,776 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:17:20,823 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:17:20,823 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:17:20,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:17:20 BoogieIcfgContainer [2023-12-20 23:17:20,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:17:20,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:17:20,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:17:20,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:17:20,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:17:20" (1/3) ... [2023-12-20 23:17:20,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa9ec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:17:20, skipping insertion in model container [2023-12-20 23:17:20,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:17:20" (2/3) ... [2023-12-20 23:17:20,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa9ec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:17:20, skipping insertion in model container [2023-12-20 23:17:20,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:17:20" (3/3) ... [2023-12-20 23:17:20,829 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-11.i [2023-12-20 23:17:20,842 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:17:20,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:17:20,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:17:20,889 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;@68b703e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:17:20,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:17:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-20 23:17:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-20 23:17:20,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:20,903 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:20,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:20,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:20,907 INFO L85 PathProgramCache]: Analyzing trace with hash 990375764, now seen corresponding path program 1 times [2023-12-20 23:17:20,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:20,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810009407] [2023-12-20 23:17:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 23:17:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 23:17:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 23:17:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 23:17:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 23:17:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 23:17:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 23:17:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 23:17:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 23:17:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 23:17:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 23:17:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 23:17:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 23:17:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 23:17:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 23:17:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 23:17:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 23:17:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-20 23:17:21,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:17:21,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810009407] [2023-12-20 23:17:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810009407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:17:21,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:17:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:17:21,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192726988] [2023-12-20 23:17:21,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:17:21,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:17:21,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:17:21,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:17:21,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:17:21,242 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-20 23:17:21,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:17:21,294 INFO L93 Difference]: Finished difference Result 99 states and 175 transitions. [2023-12-20 23:17:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:17:21,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2023-12-20 23:17:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:17:21,302 INFO L225 Difference]: With dead ends: 99 [2023-12-20 23:17:21,302 INFO L226 Difference]: Without dead ends: 49 [2023-12-20 23:17:21,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 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 23:17:21,308 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:17:21,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:17:21,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-20 23:17:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-20 23:17:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-20 23:17:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 74 transitions. [2023-12-20 23:17:21,338 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 74 transitions. Word has length 106 [2023-12-20 23:17:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:17:21,338 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 74 transitions. [2023-12-20 23:17:21,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-20 23:17:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2023-12-20 23:17:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-20 23:17:21,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:21,340 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:21,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 23:17:21,341 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:21,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:21,342 INFO L85 PathProgramCache]: Analyzing trace with hash -123222896, now seen corresponding path program 1 times [2023-12-20 23:17:21,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:21,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926721621] [2023-12-20 23:17:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:21,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 23:17:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 23:17:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 23:17:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 23:17:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 23:17:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 23:17:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 23:17:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 23:17:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 23:17:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 23:17:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 23:17:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 23:17:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 23:17:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 23:17:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 23:17:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 23:17:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 23:17:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-20 23:17:22,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:17:22,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926721621] [2023-12-20 23:17:22,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926721621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:17:22,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:17:22,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 23:17:22,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368499078] [2023-12-20 23:17:22,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:17:22,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 23:17:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:17:22,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 23:17:22,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:17:22,197 INFO L87 Difference]: Start difference. First operand 49 states and 74 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-20 23:17:22,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:17:22,257 INFO L93 Difference]: Finished difference Result 107 states and 160 transitions. [2023-12-20 23:17:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 23:17:22,258 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 106 [2023-12-20 23:17:22,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:17:22,260 INFO L225 Difference]: With dead ends: 107 [2023-12-20 23:17:22,260 INFO L226 Difference]: Without dead ends: 59 [2023-12-20 23:17:22,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:17:22,264 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 27 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:17:22,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 185 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:17:22,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-20 23:17:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2023-12-20 23:17:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-20 23:17:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 80 transitions. [2023-12-20 23:17:22,281 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 80 transitions. Word has length 106 [2023-12-20 23:17:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:17:22,282 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 80 transitions. [2023-12-20 23:17:22,282 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-20 23:17:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-12-20 23:17:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-20 23:17:22,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:22,283 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:22,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 23:17:22,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:22,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:22,284 INFO L85 PathProgramCache]: Analyzing trace with hash -123163314, now seen corresponding path program 1 times [2023-12-20 23:17:22,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:22,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985816833] [2023-12-20 23:17:22,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 23:17:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 23:17:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 23:17:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 23:17:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 23:17:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 23:17:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 23:17:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 23:17:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 23:17:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 23:17:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 23:17:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 23:17:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 23:17:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 23:17:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 23:17:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 23:17:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 23:17:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-20 23:17:22,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:17:22,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985816833] [2023-12-20 23:17:22,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985816833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:17:22,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:17:22,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 23:17:22,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850046637] [2023-12-20 23:17:22,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:17:22,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 23:17:22,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:17:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 23:17:22,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:17:22,580 INFO L87 Difference]: Start difference. First operand 53 states and 80 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-20 23:17:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:17:22,752 INFO L93 Difference]: Finished difference Result 158 states and 239 transitions. [2023-12-20 23:17:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 23:17:22,753 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 106 [2023-12-20 23:17:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:17:22,758 INFO L225 Difference]: With dead ends: 158 [2023-12-20 23:17:22,758 INFO L226 Difference]: Without dead ends: 106 [2023-12-20 23:17:22,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-20 23:17:22,762 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 68 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:17:22,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 236 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:17:22,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-12-20 23:17:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 85. [2023-12-20 23:17:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-20 23:17:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 128 transitions. [2023-12-20 23:17:22,785 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 128 transitions. Word has length 106 [2023-12-20 23:17:22,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:17:22,786 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 128 transitions. [2023-12-20 23:17:22,786 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-20 23:17:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2023-12-20 23:17:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-20 23:17:22,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:22,791 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:22,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 23:17:22,791 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:22,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:22,792 INFO L85 PathProgramCache]: Analyzing trace with hash 797569644, now seen corresponding path program 1 times [2023-12-20 23:17:22,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:22,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374260720] [2023-12-20 23:17:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:22,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 23:17:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 23:17:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 23:17:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 23:17:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 23:17:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 23:17:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 23:17:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 23:17:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 23:17:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 23:17:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 23:17:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 23:17:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 23:17:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 23:17:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 23:17:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 23:17:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 23:17:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-20 23:17:23,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:17:23,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374260720] [2023-12-20 23:17:23,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374260720] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 23:17:23,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213931128] [2023-12-20 23:17:23,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:23,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:17:23,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:17:23,224 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 23:17:23,258 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 23:17:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:23,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-20 23:17:23,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:17:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-12-20 23:17:23,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:17:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-20 23:17:23,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213931128] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:17:23,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 23:17:23,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-12-20 23:17:23,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013330118] [2023-12-20 23:17:23,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 23:17:23,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 23:17:23,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:17:23,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 23:17:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-20 23:17:23,651 INFO L87 Difference]: Start difference. First operand 85 states and 128 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-20 23:17:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:17:23,827 INFO L93 Difference]: Finished difference Result 149 states and 215 transitions. [2023-12-20 23:17:23,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-20 23:17:23,828 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 107 [2023-12-20 23:17:23,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:17:23,831 INFO L225 Difference]: With dead ends: 149 [2023-12-20 23:17:23,831 INFO L226 Difference]: Without dead ends: 97 [2023-12-20 23:17:23,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 243 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2023-12-20 23:17:23,836 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 140 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:17:23,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 105 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:17:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-12-20 23:17:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 89. [2023-12-20 23:17:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 50 states have (on average 1.16) internal successors, (58), 50 states have internal predecessors, (58), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-20 23:17:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2023-12-20 23:17:23,860 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 107 [2023-12-20 23:17:23,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:17:23,861 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2023-12-20 23:17:23,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-20 23:17:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2023-12-20 23:17:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 23:17:23,862 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:23,863 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:23,869 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 23:17:24,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:17:24,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:24,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:24,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1856579691, now seen corresponding path program 1 times [2023-12-20 23:17:24,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:24,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39405545] [2023-12-20 23:17:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:17:24,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:17:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:17:24,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:17:24,273 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:17:24,273 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:17:24,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 23:17:24,276 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-20 23:17:24,279 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:17:24,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:17:24 BoogieIcfgContainer [2023-12-20 23:17:24,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:17:24,325 INFO L158 Benchmark]: Toolchain (without parser) took 4261.60ms. Allocated memory was 255.9MB in the beginning and 316.7MB in the end (delta: 60.8MB). Free memory was 210.1MB in the beginning and 255.1MB in the end (delta: -45.1MB). Peak memory consumption was 160.6MB. Max. memory is 8.0GB. [2023-12-20 23:17:24,325 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 199.2MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:17:24,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.44ms. Allocated memory is still 255.9MB. Free memory was 209.7MB in the beginning and 196.4MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 23:17:24,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.48ms. Allocated memory is still 255.9MB. Free memory was 196.4MB in the beginning and 194.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 23:17:24,325 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 255.9MB. Free memory was 194.0MB in the beginning and 191.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 23:17:24,325 INFO L158 Benchmark]: RCFGBuilder took 447.94ms. Allocated memory is still 255.9MB. Free memory was 191.2MB in the beginning and 171.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-20 23:17:24,326 INFO L158 Benchmark]: TraceAbstraction took 3499.34ms. Allocated memory was 255.9MB in the beginning and 316.7MB in the end (delta: 60.8MB). Free memory was 170.6MB in the beginning and 255.1MB in the end (delta: -84.6MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. [2023-12-20 23:17:24,326 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 199.2MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.44ms. Allocated memory is still 255.9MB. Free memory was 209.7MB in the beginning and 196.4MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.48ms. Allocated memory is still 255.9MB. Free memory was 196.4MB in the beginning and 194.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 255.9MB. Free memory was 194.0MB in the beginning and 191.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 447.94ms. Allocated memory is still 255.9MB. Free memory was 191.2MB in the beginning and 171.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 3499.34ms. Allocated memory was 255.9MB in the beginning and 316.7MB in the end (delta: 60.8MB). Free memory was 170.6MB in the beginning and 255.1MB in the end (delta: -84.6MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] unsigned long int last_1_var_1_10 = 128; [L40] unsigned long int last_1_var_1_16 = 1; [L41] double last_1_var_1_19 = 3.8; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L116] last_1_var_1_10 = var_1_10 [L117] last_1_var_1_16 = var_1_16 [L118] last_1_var_1_19 = var_1_19 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L89] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L90] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L90] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L91] var_1_3 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L92] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L93] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L94] var_1_7 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L96] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L97] var_1_8 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=4] [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=4] [L99] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=4] [L100] var_1_9 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L101] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L102] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L103] var_1_11 = __VERIFIER_nondet_ulong() [L104] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L104] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L105] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L106] var_1_17 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L107] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L108] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L109] var_1_18 = __VERIFIER_nondet_ulong() [L110] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L110] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L111] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L112] var_1_20 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L113] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L129] RET updateVariables() [L130] CALL step() [L45] unsigned long int stepLocal_1 = last_1_var_1_16; [L46] unsigned long int stepLocal_0 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L47] COND TRUE stepLocal_1 != last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L48] COND FALSE !(var_1_8 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=63, var_1_9=0] [L56] COND TRUE var_1_12 == var_1_12 [L57] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L59] var_1_1 = (var_1_2 || (! var_1_3)) [L60] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L61] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L62] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L63] COND FALSE !(var_1_19 >= var_1_19) [L68] var_1_15 = var_1_7 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=0, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L73] COND TRUE var_1_19 != var_1_19 [L74] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=0, var_1_16=63, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L82] unsigned char stepLocal_2 = var_1_1; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, stepLocal_2=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=0, var_1_16=63, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L83] COND TRUE (var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2 [L84] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, stepLocal_2=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=0, var_1_16=63, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L130] RET step() [L131] CALL, EXPR property() [L121-L122] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=0, var_1_16=63, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=0, var_1_16=63, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=71, var_1_7=0, var_1_8=63, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 597 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 251 mSDtfsCounter, 209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 369 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 35 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 633 ConstructedInterpolants, 0 QuantifiedInterpolants, 1741 SizeOfPredicates, 5 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 3147/3264 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 23:17:24,344 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...