/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-28.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 14:37:10,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 14:37:10,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 14:37:10,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 14:37:10,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 14:37:10,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 14:37:10,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 14:37:10,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 14:37:10,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 14:37:10,585 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 14:37:10,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 14:37:10,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 14:37:10,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 14:37:10,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 14:37:10,588 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 14:37:10,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 14:37:10,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 14:37:10,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 14:37:10,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 14:37:10,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 14:37:10,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 14:37:10,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 14:37:10,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 14:37:10,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 14:37:10,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 14:37:10,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 14:37:10,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 14:37:10,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 14:37:10,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 14:37:10,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 14:37:10,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 14:37:10,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 14:37:10,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:37:10,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 14:37:10,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 14:37:10,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 14:37:10,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 14:37:10,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 14:37:10,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 14:37:10,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 14:37:10,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 14:37:10,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 14:37:10,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 14:37:10,595 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 14:37:10,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 14:37:10,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 14:37:10,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 14:37:10,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 14:37:10,824 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 14:37:10,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-28.i [2023-12-19 14:37:11,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 14:37:12,184 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 14:37:12,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-28.i [2023-12-19 14:37:12,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a82b4575/ba6afdd3fb244b068349422d2706f1b4/FLAG866e92900 [2023-12-19 14:37:12,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a82b4575/ba6afdd3fb244b068349422d2706f1b4 [2023-12-19 14:37:12,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 14:37:12,210 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 14:37:12,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 14:37:12,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 14:37:12,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 14:37:12,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d19ac9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12, skipping insertion in model container [2023-12-19 14:37:12,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 14:37:12,353 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_operatoramount_amount50_file-28.i[915,928] [2023-12-19 14:37:12,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:37:12,430 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 14:37:12,439 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_operatoramount_amount50_file-28.i[915,928] [2023-12-19 14:37:12,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:37:12,507 INFO L206 MainTranslator]: Completed translation [2023-12-19 14:37:12,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12 WrapperNode [2023-12-19 14:37:12,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 14:37:12,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 14:37:12,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 14:37:12,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 14:37:12,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,575 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-12-19 14:37:12,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 14:37:12,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 14:37:12,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 14:37:12,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 14:37:12,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,632 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 14:37:12,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 14:37:12,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 14:37:12,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 14:37:12,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 14:37:12,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (1/1) ... [2023-12-19 14:37:12,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:37:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:12,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 14:37:12,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 14:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 14:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 14:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 14:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 14:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 14:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 14:37:12,812 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 14:37:12,815 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 14:37:13,196 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 14:37:13,227 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 14:37:13,227 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 14:37:13,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:37:13 BoogieIcfgContainer [2023-12-19 14:37:13,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 14:37:13,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 14:37:13,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 14:37:13,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 14:37:13,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:37:12" (1/3) ... [2023-12-19 14:37:13,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b458da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:37:13, skipping insertion in model container [2023-12-19 14:37:13,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:37:12" (2/3) ... [2023-12-19 14:37:13,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b458da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:37:13, skipping insertion in model container [2023-12-19 14:37:13,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:37:13" (3/3) ... [2023-12-19 14:37:13,235 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-28.i [2023-12-19 14:37:13,250 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 14:37:13,250 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 14:37:13,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 14:37:13,302 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;@631595f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 14:37:13,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 14:37:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 14:37:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:13,327 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:13,328 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:13,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:13,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1436323329, now seen corresponding path program 1 times [2023-12-19 14:37:13,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:13,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143748725] [2023-12-19 14:37:13,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:13,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:13,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143748725] [2023-12-19 14:37:13,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 14:37:13,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989644883] [2023-12-19 14:37:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:13,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:13,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:13,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 14:37:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:13,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 14:37:13,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-12-19 14:37:13,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:13,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989644883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:13,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:13,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 14:37:13,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437474996] [2023-12-19 14:37:13,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:13,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 14:37:13,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:13,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 14:37:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 14:37:13,808 INFO L87 Difference]: Start difference. First operand has 69 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 14:37:13,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:13,833 INFO L93 Difference]: Finished difference Result 135 states and 234 transitions. [2023-12-19 14:37:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 14:37:13,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2023-12-19 14:37:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:13,840 INFO L225 Difference]: With dead ends: 135 [2023-12-19 14:37:13,840 INFO L226 Difference]: Without dead ends: 67 [2023-12-19 14:37:13,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 14:37:13,845 INFO L413 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:13,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:37:13,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-19 14:37:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-12-19 14:37:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 14:37:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2023-12-19 14:37:13,874 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 142 [2023-12-19 14:37:13,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:13,874 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2023-12-19 14:37:13,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 14:37:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-19 14:37:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:13,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:13,877 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:13,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 14:37:14,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 14:37:14,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:14,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:14,092 INFO L85 PathProgramCache]: Analyzing trace with hash 115004999, now seen corresponding path program 1 times [2023-12-19 14:37:14,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:14,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338336746] [2023-12-19 14:37:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:14,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:14,143 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:14,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259404787] [2023-12-19 14:37:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:14,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:14,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:14,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:14,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 14:37:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:14,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 14:37:14,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:14,576 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:14,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338336746] [2023-12-19 14:37:14,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:14,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259404787] [2023-12-19 14:37:14,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259404787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:14,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:14,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 14:37:14,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447762993] [2023-12-19 14:37:14,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:14,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 14:37:14,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:14,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 14:37:14,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 14:37:14,586 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:14,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:14,818 INFO L93 Difference]: Finished difference Result 300 states and 458 transitions. [2023-12-19 14:37:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 14:37:14,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:14,822 INFO L225 Difference]: With dead ends: 300 [2023-12-19 14:37:14,822 INFO L226 Difference]: Without dead ends: 234 [2023-12-19 14:37:14,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 14:37:14,823 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 288 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:14,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 369 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 14:37:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-12-19 14:37:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 135. [2023-12-19 14:37:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 14:37:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 206 transitions. [2023-12-19 14:37:14,847 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 206 transitions. Word has length 142 [2023-12-19 14:37:14,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:14,847 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 206 transitions. [2023-12-19 14:37:14,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 206 transitions. [2023-12-19 14:37:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:14,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:14,850 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:14,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 14:37:15,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 14:37:15,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:15,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:15,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1890012361, now seen corresponding path program 1 times [2023-12-19 14:37:15,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:15,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326254404] [2023-12-19 14:37:15,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:15,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:15,085 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:15,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446185476] [2023-12-19 14:37:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:15,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:15,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:15,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:15,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 14:37:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:15,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-19 14:37:15,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:20,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:20,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326254404] [2023-12-19 14:37:20,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:20,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446185476] [2023-12-19 14:37:20,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446185476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:20,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:20,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 14:37:20,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593101702] [2023-12-19 14:37:20,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:20,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:37:20,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:20,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:37:20,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:37:20,491 INFO L87 Difference]: Start difference. First operand 135 states and 206 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:21,711 INFO L93 Difference]: Finished difference Result 375 states and 559 transitions. [2023-12-19 14:37:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:37:21,716 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:21,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:21,725 INFO L225 Difference]: With dead ends: 375 [2023-12-19 14:37:21,725 INFO L226 Difference]: Without dead ends: 241 [2023-12-19 14:37:21,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:37:21,727 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 395 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:21,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 537 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 14:37:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-12-19 14:37:21,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 165. [2023-12-19 14:37:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 109 states have (on average 1.3211009174311927) internal successors, (144), 110 states have internal predecessors, (144), 52 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 14:37:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 248 transitions. [2023-12-19 14:37:21,750 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 248 transitions. Word has length 142 [2023-12-19 14:37:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:21,751 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 248 transitions. [2023-12-19 14:37:21,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 248 transitions. [2023-12-19 14:37:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:21,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:21,753 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:21,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 14:37:21,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:21,963 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:21,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:21,963 INFO L85 PathProgramCache]: Analyzing trace with hash -565053371, now seen corresponding path program 1 times [2023-12-19 14:37:21,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:21,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925900777] [2023-12-19 14:37:21,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:21,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:21,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:21,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993210339] [2023-12-19 14:37:21,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:21,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:21,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:22,018 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:22,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 14:37:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:22,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-19 14:37:22,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:26,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:26,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:26,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925900777] [2023-12-19 14:37:26,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:26,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993210339] [2023-12-19 14:37:26,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993210339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:26,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:26,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:37:26,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799493645] [2023-12-19 14:37:26,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:26,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 14:37:26,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:26,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 14:37:26,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2023-12-19 14:37:26,887 INFO L87 Difference]: Start difference. First operand 165 states and 248 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:28,147 INFO L93 Difference]: Finished difference Result 404 states and 591 transitions. [2023-12-19 14:37:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-19 14:37:28,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:28,150 INFO L225 Difference]: With dead ends: 404 [2023-12-19 14:37:28,150 INFO L226 Difference]: Without dead ends: 252 [2023-12-19 14:37:28,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=184, Invalid=368, Unknown=0, NotChecked=0, Total=552 [2023-12-19 14:37:28,152 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 313 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:28,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 583 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 14:37:28,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-12-19 14:37:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 174. [2023-12-19 14:37:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 118 states have (on average 1.3220338983050848) internal successors, (156), 119 states have internal predecessors, (156), 52 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 14:37:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 260 transitions. [2023-12-19 14:37:28,167 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 260 transitions. Word has length 142 [2023-12-19 14:37:28,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:28,168 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 260 transitions. [2023-12-19 14:37:28,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 260 transitions. [2023-12-19 14:37:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:28,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:28,169 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:28,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-19 14:37:28,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:28,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:28,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:28,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1303206347, now seen corresponding path program 1 times [2023-12-19 14:37:28,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:28,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135948464] [2023-12-19 14:37:28,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:28,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:28,391 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:28,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839182991] [2023-12-19 14:37:28,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:28,392 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:28,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 14:37:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:28,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-19 14:37:28,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:34,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:34,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135948464] [2023-12-19 14:37:34,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839182991] [2023-12-19 14:37:34,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839182991] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:34,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:34,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:37:34,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189142677] [2023-12-19 14:37:34,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:34,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 14:37:34,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:34,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 14:37:34,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-19 14:37:34,384 INFO L87 Difference]: Start difference. First operand 174 states and 260 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:35,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:35,561 INFO L93 Difference]: Finished difference Result 406 states and 593 transitions. [2023-12-19 14:37:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-19 14:37:35,563 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:35,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:35,564 INFO L225 Difference]: With dead ends: 406 [2023-12-19 14:37:35,564 INFO L226 Difference]: Without dead ends: 245 [2023-12-19 14:37:35,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2023-12-19 14:37:35,566 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 280 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:35,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 581 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 14:37:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-12-19 14:37:35,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 181. [2023-12-19 14:37:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 125 states have (on average 1.336) internal successors, (167), 126 states have internal predecessors, (167), 52 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 14:37:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 271 transitions. [2023-12-19 14:37:35,593 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 271 transitions. Word has length 142 [2023-12-19 14:37:35,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:35,593 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 271 transitions. [2023-12-19 14:37:35,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 271 transitions. [2023-12-19 14:37:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:35,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:35,595 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:35,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 14:37:35,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:35,805 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:35,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:35,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1151859385, now seen corresponding path program 1 times [2023-12-19 14:37:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:35,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438821771] [2023-12-19 14:37:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:35,824 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:35,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388373757] [2023-12-19 14:37:35,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:35,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:35,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:35,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:35,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 14:37:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:35,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 14:37:35,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:41,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:41,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:41,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438821771] [2023-12-19 14:37:41,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:41,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388373757] [2023-12-19 14:37:41,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388373757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:41,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:41,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:37:41,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852750135] [2023-12-19 14:37:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:41,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:37:41,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:37:41,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:37:41,559 INFO L87 Difference]: Start difference. First operand 181 states and 271 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:42,476 INFO L93 Difference]: Finished difference Result 494 states and 723 transitions. [2023-12-19 14:37:42,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-19 14:37:42,476 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:42,478 INFO L225 Difference]: With dead ends: 494 [2023-12-19 14:37:42,478 INFO L226 Difference]: Without dead ends: 326 [2023-12-19 14:37:42,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2023-12-19 14:37:42,479 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 205 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:42,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 525 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 14:37:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-12-19 14:37:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 229. [2023-12-19 14:37:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 164 states have (on average 1.3475609756097562) internal successors, (221), 166 states have internal predecessors, (221), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 14:37:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 341 transitions. [2023-12-19 14:37:42,496 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 341 transitions. Word has length 142 [2023-12-19 14:37:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:42,497 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 341 transitions. [2023-12-19 14:37:42,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 341 transitions. [2023-12-19 14:37:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:42,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:42,498 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:42,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 14:37:42,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:42,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:42,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:42,707 INFO L85 PathProgramCache]: Analyzing trace with hash 610148683, now seen corresponding path program 1 times [2023-12-19 14:37:42,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:42,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689447097] [2023-12-19 14:37:42,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:42,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:42,724 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:42,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799293606] [2023-12-19 14:37:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:42,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:42,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 14:37:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:42,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-19 14:37:42,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:45,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:45,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:45,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689447097] [2023-12-19 14:37:45,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:45,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799293606] [2023-12-19 14:37:45,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799293606] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:45,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:45,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 14:37:45,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67531285] [2023-12-19 14:37:45,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:45,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:37:45,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:45,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:37:45,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:37:45,334 INFO L87 Difference]: Start difference. First operand 229 states and 341 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:45,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:45,757 INFO L93 Difference]: Finished difference Result 516 states and 755 transitions. [2023-12-19 14:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:37:45,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:45,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:45,760 INFO L225 Difference]: With dead ends: 516 [2023-12-19 14:37:45,760 INFO L226 Difference]: Without dead ends: 300 [2023-12-19 14:37:45,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:37:45,761 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 226 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:45,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 581 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 14:37:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-12-19 14:37:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 236. [2023-12-19 14:37:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 171 states have (on average 1.3567251461988303) internal successors, (232), 173 states have internal predecessors, (232), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 14:37:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 352 transitions. [2023-12-19 14:37:45,787 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 352 transitions. Word has length 142 [2023-12-19 14:37:45,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:45,788 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 352 transitions. [2023-12-19 14:37:45,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 352 transitions. [2023-12-19 14:37:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:45,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:45,789 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:45,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-19 14:37:45,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:45,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:45,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:45,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1844917049, now seen corresponding path program 1 times [2023-12-19 14:37:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:45,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545504603] [2023-12-19 14:37:45,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:45,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:46,028 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:46,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957028115] [2023-12-19 14:37:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:46,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:46,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:46,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 14:37:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:46,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-19 14:37:46,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:49,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:49,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:49,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545504603] [2023-12-19 14:37:49,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:49,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957028115] [2023-12-19 14:37:49,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957028115] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:49,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:49,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 14:37:49,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843671115] [2023-12-19 14:37:49,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:49,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 14:37:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 14:37:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-19 14:37:49,882 INFO L87 Difference]: Start difference. First operand 236 states and 352 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:50,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:50,659 INFO L93 Difference]: Finished difference Result 545 states and 797 transitions. [2023-12-19 14:37:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 14:37:50,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:50,662 INFO L225 Difference]: With dead ends: 545 [2023-12-19 14:37:50,662 INFO L226 Difference]: Without dead ends: 322 [2023-12-19 14:37:50,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-12-19 14:37:50,663 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 156 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:50,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 517 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 14:37:50,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-12-19 14:37:50,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 247. [2023-12-19 14:37:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 182 states have (on average 1.3681318681318682) internal successors, (249), 184 states have internal predecessors, (249), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 14:37:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 369 transitions. [2023-12-19 14:37:50,684 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 369 transitions. Word has length 142 [2023-12-19 14:37:50,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:50,684 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 369 transitions. [2023-12-19 14:37:50,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 369 transitions. [2023-12-19 14:37:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:50,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:50,685 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:50,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-19 14:37:50,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-19 14:37:50,891 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:50,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:50,891 INFO L85 PathProgramCache]: Analyzing trace with hash 23342669, now seen corresponding path program 1 times [2023-12-19 14:37:50,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:50,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885941987] [2023-12-19 14:37:50,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:50,905 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:50,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966540667] [2023-12-19 14:37:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:50,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:50,921 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:50,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 14:37:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:51,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-19 14:37:51,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:54,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:54,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:54,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885941987] [2023-12-19 14:37:54,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:54,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966540667] [2023-12-19 14:37:54,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966540667] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:54,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:54,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 14:37:54,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738376560] [2023-12-19 14:37:54,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:54,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 14:37:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 14:37:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-19 14:37:54,272 INFO L87 Difference]: Start difference. First operand 247 states and 369 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:54,658 INFO L93 Difference]: Finished difference Result 561 states and 820 transitions. [2023-12-19 14:37:54,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 14:37:54,659 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:54,661 INFO L225 Difference]: With dead ends: 561 [2023-12-19 14:37:54,661 INFO L226 Difference]: Without dead ends: 327 [2023-12-19 14:37:54,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-12-19 14:37:54,662 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 152 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:54,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 619 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 14:37:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-19 14:37:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 255. [2023-12-19 14:37:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 190 states have (on average 1.368421052631579) internal successors, (260), 192 states have internal predecessors, (260), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 14:37:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 380 transitions. [2023-12-19 14:37:54,674 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 380 transitions. Word has length 142 [2023-12-19 14:37:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:54,675 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 380 transitions. [2023-12-19 14:37:54,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 380 transitions. [2023-12-19 14:37:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 14:37:54,676 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:54,676 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:54,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-19 14:37:54,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:54,882 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:54,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:54,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1863244233, now seen corresponding path program 1 times [2023-12-19 14:37:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333080431] [2023-12-19 14:37:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:54,897 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:54,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991511248] [2023-12-19 14:37:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:54,914 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:54,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 14:37:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:55,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-19 14:37:55,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:37:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:37:58,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:37:58,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:37:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333080431] [2023-12-19 14:37:58,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:37:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991511248] [2023-12-19 14:37:58,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991511248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:37:58,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:37:58,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 14:37:58,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243889296] [2023-12-19 14:37:58,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:37:58,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 14:37:58,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:37:58,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 14:37:58,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-19 14:37:58,918 INFO L87 Difference]: Start difference. First operand 255 states and 380 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:37:59,174 INFO L93 Difference]: Finished difference Result 569 states and 827 transitions. [2023-12-19 14:37:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 14:37:59,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-12-19 14:37:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:37:59,175 INFO L225 Difference]: With dead ends: 569 [2023-12-19 14:37:59,175 INFO L226 Difference]: Without dead ends: 327 [2023-12-19 14:37:59,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-12-19 14:37:59,177 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 164 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 14:37:59,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 583 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 14:37:59,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-19 14:37:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 243. [2023-12-19 14:37:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 178 states have (on average 1.353932584269663) internal successors, (241), 180 states have internal predecessors, (241), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 14:37:59,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 361 transitions. [2023-12-19 14:37:59,188 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 361 transitions. Word has length 142 [2023-12-19 14:37:59,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:37:59,188 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 361 transitions. [2023-12-19 14:37:59,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:37:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 361 transitions. [2023-12-19 14:37:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:37:59,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:37:59,190 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:37:59,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-19 14:37:59,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-19 14:37:59,395 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:37:59,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:37:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash -675470308, now seen corresponding path program 1 times [2023-12-19 14:37:59,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:37:59,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180237727] [2023-12-19 14:37:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:37:59,418 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:37:59,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160562810] [2023-12-19 14:37:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:37:59,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:37:59,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:37:59,425 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:37:59,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 14:37:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:37:59,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-19 14:37:59,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:02,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:02,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180237727] [2023-12-19 14:38:02,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160562810] [2023-12-19 14:38:02,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160562810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:02,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:02,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:02,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219794404] [2023-12-19 14:38:02,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:02,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:02,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:02,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:02,359 INFO L87 Difference]: Start difference. First operand 243 states and 361 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:03,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:03,198 INFO L93 Difference]: Finished difference Result 486 states and 701 transitions. [2023-12-19 14:38:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-19 14:38:03,198 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:03,201 INFO L225 Difference]: With dead ends: 486 [2023-12-19 14:38:03,201 INFO L226 Difference]: Without dead ends: 343 [2023-12-19 14:38:03,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2023-12-19 14:38:03,202 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 273 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:03,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 476 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 14:38:03,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-12-19 14:38:03,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 246. [2023-12-19 14:38:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 195 states have internal predecessors, (262), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 354 transitions. [2023-12-19 14:38:03,221 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 354 transitions. Word has length 143 [2023-12-19 14:38:03,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:03,221 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 354 transitions. [2023-12-19 14:38:03,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 354 transitions. [2023-12-19 14:38:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:03,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:03,223 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:03,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:03,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-19 14:38:03,428 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:03,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:03,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1355528678, now seen corresponding path program 1 times [2023-12-19 14:38:03,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:03,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425245830] [2023-12-19 14:38:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:03,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:03,444 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508001588] [2023-12-19 14:38:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:03,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:03,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:03,469 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:03,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-19 14:38:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:03,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-19 14:38:03,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:08,507 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:08,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:08,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425245830] [2023-12-19 14:38:08,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:08,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508001588] [2023-12-19 14:38:08,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508001588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:08,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:08,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:08,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188657440] [2023-12-19 14:38:08,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:08,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:08,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:08,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:08,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:08,509 INFO L87 Difference]: Start difference. First operand 246 states and 354 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:09,474 INFO L93 Difference]: Finished difference Result 494 states and 700 transitions. [2023-12-19 14:38:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:38:09,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:09,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:09,476 INFO L225 Difference]: With dead ends: 494 [2023-12-19 14:38:09,477 INFO L226 Difference]: Without dead ends: 336 [2023-12-19 14:38:09,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:38:09,478 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 244 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:09,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 551 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 14:38:09,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-12-19 14:38:09,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 248. [2023-12-19 14:38:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 196 states have (on average 1.3520408163265305) internal successors, (265), 197 states have internal predecessors, (265), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 357 transitions. [2023-12-19 14:38:09,512 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 357 transitions. Word has length 143 [2023-12-19 14:38:09,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:09,512 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 357 transitions. [2023-12-19 14:38:09,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 357 transitions. [2023-12-19 14:38:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:09,514 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:09,514 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:09,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:09,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-19 14:38:09,714 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:09,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1262276322, now seen corresponding path program 1 times [2023-12-19 14:38:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361385557] [2023-12-19 14:38:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:09,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:09,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:09,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703414420] [2023-12-19 14:38:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:09,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:09,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:09,731 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:09,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-19 14:38:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:09,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 14:38:09,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:09,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:09,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361385557] [2023-12-19 14:38:09,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703414420] [2023-12-19 14:38:09,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703414420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:09,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:09,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 14:38:09,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786767263] [2023-12-19 14:38:09,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:09,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 14:38:09,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:09,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 14:38:09,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 14:38:09,835 INFO L87 Difference]: Start difference. First operand 248 states and 357 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:09,932 INFO L93 Difference]: Finished difference Result 807 states and 1169 transitions. [2023-12-19 14:38:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 14:38:09,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:09,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:09,935 INFO L225 Difference]: With dead ends: 807 [2023-12-19 14:38:09,935 INFO L226 Difference]: Without dead ends: 647 [2023-12-19 14:38:09,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 14:38:09,936 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 182 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:09,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 315 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 14:38:09,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-12-19 14:38:09,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 270. [2023-12-19 14:38:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 218 states have (on average 1.3577981651376148) internal successors, (296), 219 states have internal predecessors, (296), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 388 transitions. [2023-12-19 14:38:09,950 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 388 transitions. Word has length 143 [2023-12-19 14:38:09,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:09,951 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 388 transitions. [2023-12-19 14:38:09,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 388 transitions. [2023-12-19 14:38:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:09,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:09,952 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:09,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:10,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-19 14:38:10,157 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:10,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:10,157 INFO L85 PathProgramCache]: Analyzing trace with hash 512731040, now seen corresponding path program 1 times [2023-12-19 14:38:10,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:10,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323127966] [2023-12-19 14:38:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:10,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:10,172 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:10,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697379815] [2023-12-19 14:38:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:10,173 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:10,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-19 14:38:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:10,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 14:38:10,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:13,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:13,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:13,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323127966] [2023-12-19 14:38:13,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:13,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697379815] [2023-12-19 14:38:13,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697379815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:13,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:13,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:13,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641332675] [2023-12-19 14:38:13,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:13,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:13,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:13,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:13,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:13,858 INFO L87 Difference]: Start difference. First operand 270 states and 388 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:14,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:14,604 INFO L93 Difference]: Finished difference Result 548 states and 774 transitions. [2023-12-19 14:38:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:38:14,605 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:14,608 INFO L225 Difference]: With dead ends: 548 [2023-12-19 14:38:14,608 INFO L226 Difference]: Without dead ends: 366 [2023-12-19 14:38:14,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:38:14,609 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 215 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:14,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 546 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 14:38:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-12-19 14:38:14,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 279. [2023-12-19 14:38:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.3524229074889869) internal successors, (307), 228 states have internal predecessors, (307), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2023-12-19 14:38:14,622 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 143 [2023-12-19 14:38:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:14,622 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2023-12-19 14:38:14,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2023-12-19 14:38:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:14,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:14,623 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:14,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:14,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:14,829 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:14,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:14,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1942334692, now seen corresponding path program 1 times [2023-12-19 14:38:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:14,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969294200] [2023-12-19 14:38:14,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:14,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:14,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:14,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750930773] [2023-12-19 14:38:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:14,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:14,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:14,846 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:14,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-19 14:38:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:14,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 14:38:14,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:19,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:19,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:19,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969294200] [2023-12-19 14:38:19,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:19,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750930773] [2023-12-19 14:38:19,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750930773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:19,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:19,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:19,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085895114] [2023-12-19 14:38:19,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:19,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:19,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:19,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:19,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:19,201 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:23,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 14:38:23,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:23,161 INFO L93 Difference]: Finished difference Result 557 states and 784 transitions. [2023-12-19 14:38:23,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:38:23,161 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:23,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:23,163 INFO L225 Difference]: With dead ends: 557 [2023-12-19 14:38:23,163 INFO L226 Difference]: Without dead ends: 366 [2023-12-19 14:38:23,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:38:23,164 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 194 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:23,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 548 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-19 14:38:23,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-12-19 14:38:23,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 279. [2023-12-19 14:38:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.3524229074889869) internal successors, (307), 228 states have internal predecessors, (307), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2023-12-19 14:38:23,179 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 143 [2023-12-19 14:38:23,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:23,179 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2023-12-19 14:38:23,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2023-12-19 14:38:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:23,180 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:23,180 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:23,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:23,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-19 14:38:23,385 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:23,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:23,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1955333986, now seen corresponding path program 1 times [2023-12-19 14:38:23,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:23,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640469327] [2023-12-19 14:38:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:23,400 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088701307] [2023-12-19 14:38:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:23,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:23,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:23,401 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:23,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-19 14:38:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:23,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-19 14:38:23,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:25,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:25,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640469327] [2023-12-19 14:38:25,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088701307] [2023-12-19 14:38:25,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088701307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:25,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:25,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696154795] [2023-12-19 14:38:25,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:25,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:25,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:25,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:25,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:25,099 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:29,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 14:38:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:29,643 INFO L93 Difference]: Finished difference Result 574 states and 808 transitions. [2023-12-19 14:38:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-19 14:38:29,644 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:29,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:29,646 INFO L225 Difference]: With dead ends: 574 [2023-12-19 14:38:29,647 INFO L226 Difference]: Without dead ends: 383 [2023-12-19 14:38:29,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2023-12-19 14:38:29,648 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 226 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:29,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 476 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 295 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-12-19 14:38:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-12-19 14:38:29,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 279. [2023-12-19 14:38:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.3524229074889869) internal successors, (307), 228 states have internal predecessors, (307), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2023-12-19 14:38:29,662 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 143 [2023-12-19 14:38:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:29,662 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2023-12-19 14:38:29,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2023-12-19 14:38:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:29,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:29,663 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:29,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:29,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-19 14:38:29,870 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:29,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:29,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1659574940, now seen corresponding path program 1 times [2023-12-19 14:38:29,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:29,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083333951] [2023-12-19 14:38:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:29,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:29,894 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:29,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680682121] [2023-12-19 14:38:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:29,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:29,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:29,897 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:29,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-19 14:38:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:30,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 14:38:30,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:33,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:33,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:33,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083333951] [2023-12-19 14:38:33,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:33,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680682121] [2023-12-19 14:38:33,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680682121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:33,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:33,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 14:38:33,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027478023] [2023-12-19 14:38:33,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:33,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 14:38:33,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:33,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 14:38:33,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-19 14:38:33,143 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:33,556 INFO L93 Difference]: Finished difference Result 567 states and 798 transitions. [2023-12-19 14:38:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-19 14:38:33,556 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:33,558 INFO L225 Difference]: With dead ends: 567 [2023-12-19 14:38:33,558 INFO L226 Difference]: Without dead ends: 376 [2023-12-19 14:38:33,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2023-12-19 14:38:33,559 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 190 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:33,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 491 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 14:38:33,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-19 14:38:33,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 275. [2023-12-19 14:38:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 223 states have (on average 1.3542600896860986) internal successors, (302), 224 states have internal predecessors, (302), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2023-12-19 14:38:33,572 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 143 [2023-12-19 14:38:33,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:33,572 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2023-12-19 14:38:33,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2023-12-19 14:38:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:33,573 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:33,573 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:33,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-19 14:38:33,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-19 14:38:33,779 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:33,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:33,780 INFO L85 PathProgramCache]: Analyzing trace with hash -767132638, now seen corresponding path program 1 times [2023-12-19 14:38:33,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:33,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761373300] [2023-12-19 14:38:33,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:33,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:33,794 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:33,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233475253] [2023-12-19 14:38:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:33,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:33,796 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:33,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-19 14:38:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:33,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 14:38:33,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:36,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:36,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:36,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761373300] [2023-12-19 14:38:36,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:36,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233475253] [2023-12-19 14:38:36,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233475253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:36,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:36,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:36,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46242466] [2023-12-19 14:38:36,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:36,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:36,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:36,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:36,506 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:36,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:36,952 INFO L93 Difference]: Finished difference Result 559 states and 786 transitions. [2023-12-19 14:38:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:38:36,952 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:36,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:36,954 INFO L225 Difference]: With dead ends: 559 [2023-12-19 14:38:36,954 INFO L226 Difference]: Without dead ends: 372 [2023-12-19 14:38:36,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:38:36,955 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 197 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:36,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 526 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 14:38:36,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-19 14:38:36,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 270. [2023-12-19 14:38:36,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 218 states have (on average 1.353211009174312) internal successors, (295), 219 states have internal predecessors, (295), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 387 transitions. [2023-12-19 14:38:36,968 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 387 transitions. Word has length 143 [2023-12-19 14:38:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:36,968 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 387 transitions. [2023-12-19 14:38:36,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 387 transitions. [2023-12-19 14:38:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 14:38:36,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:36,969 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:36,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:37,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-19 14:38:37,175 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:37,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:37,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1072768926, now seen corresponding path program 1 times [2023-12-19 14:38:37,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:37,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762456418] [2023-12-19 14:38:37,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:37,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:37,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879833420] [2023-12-19 14:38:37,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:37,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:37,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:37,189 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:37,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-19 14:38:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:38:37,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 14:38:37,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:38:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 14:38:40,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:38:40,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:38:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762456418] [2023-12-19 14:38:40,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:38:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879833420] [2023-12-19 14:38:40,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879833420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:38:40,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:38:40,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 14:38:40,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926702681] [2023-12-19 14:38:40,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:38:40,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 14:38:40,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:38:40,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 14:38:40,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 14:38:40,126 INFO L87 Difference]: Start difference. First operand 270 states and 387 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:40,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:38:40,656 INFO L93 Difference]: Finished difference Result 554 states and 778 transitions. [2023-12-19 14:38:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 14:38:40,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-12-19 14:38:40,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:38:40,669 INFO L225 Difference]: With dead ends: 554 [2023-12-19 14:38:40,669 INFO L226 Difference]: Without dead ends: 372 [2023-12-19 14:38:40,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 14:38:40,670 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 155 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 14:38:40,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 703 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 14:38:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-19 14:38:40,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 259. [2023-12-19 14:38:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 207 states have (on average 1.3478260869565217) internal successors, (279), 208 states have internal predecessors, (279), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 14:38:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 371 transitions. [2023-12-19 14:38:40,685 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 371 transitions. Word has length 143 [2023-12-19 14:38:40,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:38:40,685 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 371 transitions. [2023-12-19 14:38:40,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 14:38:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 371 transitions. [2023-12-19 14:38:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-19 14:38:40,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:38:40,687 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:40,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:40,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:40,894 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:38:40,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:38:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash -804720592, now seen corresponding path program 1 times [2023-12-19 14:38:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:38:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852415565] [2023-12-19 14:38:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:38:40,906 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:38:40,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152087296] [2023-12-19 14:38:40,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:38:40,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:40,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:38:40,908 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:38:40,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-19 14:38:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:38:41,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 14:38:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:38:41,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 14:38:41,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 14:38:41,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 14:38:41,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-12-19 14:38:41,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:38:41,541 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:38:41,543 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 14:38:41,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 02:38:41 BoogieIcfgContainer [2023-12-19 14:38:41,631 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 14:38:41,631 INFO L158 Benchmark]: Toolchain (without parser) took 89421.88ms. Allocated memory was 339.7MB in the beginning and 1.2GB in the end (delta: 831.5MB). Free memory was 284.4MB in the beginning and 1.1GB in the end (delta: -782.3MB). Peak memory consumption was 49.5MB. Max. memory is 8.0GB. [2023-12-19 14:38:41,632 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 224.4MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 14:38:41,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.11ms. Allocated memory is still 339.7MB. Free memory was 284.1MB in the beginning and 268.4MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-19 14:38:41,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.09ms. Allocated memory is still 339.7MB. Free memory was 268.4MB in the beginning and 262.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-19 14:38:41,632 INFO L158 Benchmark]: Boogie Preprocessor took 105.62ms. Allocated memory is still 339.7MB. Free memory was 262.4MB in the beginning and 301.3MB in the end (delta: -38.9MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2023-12-19 14:38:41,632 INFO L158 Benchmark]: RCFGBuilder took 545.81ms. Allocated memory is still 339.7MB. Free memory was 301.3MB in the beginning and 273.5MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-19 14:38:41,632 INFO L158 Benchmark]: TraceAbstraction took 88401.47ms. Allocated memory was 339.7MB in the beginning and 1.2GB in the end (delta: 831.5MB). Free memory was 273.0MB in the beginning and 1.1GB in the end (delta: -793.7MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. [2023-12-19 14:38:41,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 224.4MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 297.11ms. Allocated memory is still 339.7MB. Free memory was 284.1MB in the beginning and 268.4MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.09ms. Allocated memory is still 339.7MB. Free memory was 268.4MB in the beginning and 262.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 105.62ms. Allocated memory is still 339.7MB. Free memory was 262.4MB in the beginning and 301.3MB in the end (delta: -38.9MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * RCFGBuilder took 545.81ms. Allocated memory is still 339.7MB. Free memory was 301.3MB in the beginning and 273.5MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 88401.47ms. Allocated memory was 339.7MB in the beginning and 1.2GB in the end (delta: 831.5MB). Free memory was 273.0MB in the beginning and 1.1GB in the end (delta: -793.7MB). Peak memory consumption was 37.3MB. 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 143, overapproximation of someBinaryFLOATComparisonOperation at line 143, overapproximation of shiftLeft at line 143. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned short int last_1_var_1_1 = 4; [L42] unsigned char last_1_var_1_6 = 4; [L43] signed short int last_1_var_1_11 = 10; [L44] signed long int last_1_var_1_15 = 128; [L147] isInitial = 1 [L148] FCALL initially() [L149] COND TRUE 1 [L150] CALL updateLastVariables() [L137] last_1_var_1_1 = var_1_1 [L138] last_1_var_1_6 = var_1_6 [L139] last_1_var_1_11 = var_1_11 [L140] last_1_var_1_15 = var_1_15 [L150] RET updateLastVariables() [L151] CALL updateVariables() [L100] var_1_7 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L102] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L103] var_1_8 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_9=0] [L104] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L105] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L106] var_1_9 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0] [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0] [L108] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L108] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L121] var_1_16 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L122] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L123] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L123] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L124] var_1_17 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L125] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L126] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L126] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L128] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L129] var_1_21 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L130] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L131] var_1_22 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L132] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L133] var_1_23 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L134] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L151] RET updateVariables() [L152] CALL step() [L48] unsigned char stepLocal_2 = var_1_14; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L49] COND FALSE !(\read(var_1_12)) [L60] var_1_11 = last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L62] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L63] COND TRUE stepLocal_1 < 5 [L64] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L68] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L69] COND TRUE var_1_11 <= stepLocal_0 [L70] var_1_1 = ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=201/4, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L72] signed long int stepLocal_5 = 0; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=201/4, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L73] COND FALSE !(\read(var_1_13)) [L86] var_1_20 = var_1_23 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L88] unsigned char stepLocal_3 = var_1_6; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L89] COND FALSE !(stepLocal_3 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) [L92] var_1_15 = var_1_11 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L94] unsigned short int stepLocal_4 = var_1_1; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L95] EXPR 200 << var_1_15 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=18/5, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L95] COND TRUE ((200 << var_1_15) * (var_1_17 * var_1_7)) < stepLocal_4 [L96] var_1_18 = var_1_19 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=3, var_1_19=3, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L152] RET step() [L153] CALL, EXPR property() [L143] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=3, var_1_19=3, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L143] EXPR 200 << var_1_15 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=3, var_1_19=3, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L143] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=3, var_1_19=3, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L143-L144] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L153] RET, EXPR property() [L153] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=3, var_1_19=3, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10, var_1_16=128, var_1_17=119, var_1_18=3, var_1_19=3, var_1_1=10, var_1_20=2, var_1_23=2, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 88.3s, OverallIterations: 20, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4055 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4055 mSDsluCounter, 9626 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7209 mSDsCounter, 487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4848 IncrementalHoareTripleChecker+Invalid, 5336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 487 mSolverCounterUnsat, 2417 mSDtfsCounter, 4848 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2854 GetRequests, 2543 SyntacticMatches, 0 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=14, InterpolantAutomatonStates: 318, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 1865 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 60.9s InterpolantComputationTime, 2993 NumberOfCodeBlocks, 2993 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2688 ConstructedInterpolants, 0 QuantifiedInterpolants, 21805 SizeOfPredicates, 329 NumberOfNonLiveVariables, 6401 ConjunctsInSsa, 334 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 17556/17556 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 14:38:41,834 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...