/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_loopvsstraightlinecode_100-1loop_file-59.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 20:47:37,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 20:47:37,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 20:47:37,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 20:47:37,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 20:47:37,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 20:47:37,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 20:47:37,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 20:47:37,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 20:47:37,569 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 20:47:37,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 20:47:37,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 20:47:37,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 20:47:37,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 20:47:37,571 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 20:47:37,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 20:47:37,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 20:47:37,571 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 20:47:37,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 20:47:37,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 20:47:37,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 20:47:37,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 20:47:37,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 20:47:37,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 20:47:37,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 20:47:37,573 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 20:47:37,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 20:47:37,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 20:47:37,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 20:47:37,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 20:47:37,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 20:47:37,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:47:37,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 20:47:37,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 20:47:37,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 20:47:37,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 20:47:37,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 20:47:37,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 20:47:37,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 20:47:37,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 20:47:37,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 20:47:37,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 20:47:37,855 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 20:47:37,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i [2023-12-15 20:47:38,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 20:47:39,136 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 20:47:39,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i [2023-12-15 20:47:39,143 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b7cffdd/8885d3b2b3e14c1688ac83accb7c653e/FLAGb64303261 [2023-12-15 20:47:39,154 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b7cffdd/8885d3b2b3e14c1688ac83accb7c653e [2023-12-15 20:47:39,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 20:47:39,156 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 20:47:39,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 20:47:39,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 20:47:39,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 20:47:39,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b0f7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39, skipping insertion in model container [2023-12-15 20:47:39,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 20:47:39,299 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i[916,929] [2023-12-15 20:47:39,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:47:39,385 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 20:47:39,397 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i[916,929] [2023-12-15 20:47:39,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:47:39,439 INFO L206 MainTranslator]: Completed translation [2023-12-15 20:47:39,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39 WrapperNode [2023-12-15 20:47:39,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 20:47:39,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 20:47:39,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 20:47:39,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 20:47:39,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,498 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2023-12-15 20:47:39,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 20:47:39,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 20:47:39,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 20:47:39,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 20:47:39,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,556 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]. [2023-12-15 20:47:39,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 20:47:39,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 20:47:39,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 20:47:39,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 20:47:39,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (1/1) ... [2023-12-15 20:47:39,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:47:39,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:39,627 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) [2023-12-15 20:47:39,677 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 [2023-12-15 20:47:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 20:47:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 20:47:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 20:47:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 20:47:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 20:47:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 20:47:39,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 20:47:39,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 20:47:40,117 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 20:47:40,169 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 20:47:40,169 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 20:47:40,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:47:40 BoogieIcfgContainer [2023-12-15 20:47:40,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 20:47:40,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 20:47:40,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 20:47:40,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 20:47:40,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:47:39" (1/3) ... [2023-12-15 20:47:40,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d42c27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:47:40, skipping insertion in model container [2023-12-15 20:47:40,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:47:39" (2/3) ... [2023-12-15 20:47:40,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d42c27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:47:40, skipping insertion in model container [2023-12-15 20:47:40,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:47:40" (3/3) ... [2023-12-15 20:47:40,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-59.i [2023-12-15 20:47:40,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 20:47:40,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 20:47:40,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 20:47:40,241 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;@26f4bca4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 20:47:40,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 20:47:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.625) internal successors, (117), 73 states have internal predecessors, (117), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-15 20:47:40,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:40,279 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:40,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:40,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1599886882, now seen corresponding path program 1 times [2023-12-15 20:47:40,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:40,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476432620] [2023-12-15 20:47:40,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:40,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:40,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476432620] [2023-12-15 20:47:40,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 20:47:40,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742917847] [2023-12-15 20:47:40,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:40,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:40,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:40,470 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) [2023-12-15 20:47:40,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 20:47:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:40,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 20:47:40,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-15 20:47:40,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:40,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742917847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:40,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:40,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 20:47:40,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168680084] [2023-12-15 20:47:40,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:40,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 20:47:40,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:40,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 20:47:40,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:47:40,738 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.625) internal successors, (117), 73 states have internal predecessors, (117), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-15 20:47:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:40,782 INFO L93 Difference]: Finished difference Result 191 states and 338 transitions. [2023-12-15 20:47:40,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 20:47:40,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 144 [2023-12-15 20:47:40,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:40,791 INFO L225 Difference]: With dead ends: 191 [2023-12-15 20:47:40,791 INFO L226 Difference]: Without dead ends: 94 [2023-12-15 20:47:40,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:47:40,795 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:40,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:47:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-15 20:47:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-15 20:47:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 71 states have internal predecessors, (111), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 153 transitions. [2023-12-15 20:47:40,826 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 153 transitions. Word has length 144 [2023-12-15 20:47:40,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:40,826 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 153 transitions. [2023-12-15 20:47:40,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-15 20:47:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2023-12-15 20:47:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-15 20:47:40,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:40,829 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:40,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 20:47:41,034 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 [2023-12-15 20:47:41,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:41,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:41,035 INFO L85 PathProgramCache]: Analyzing trace with hash -235647784, now seen corresponding path program 1 times [2023-12-15 20:47:41,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:41,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853417661] [2023-12-15 20:47:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:41,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:41,115 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:41,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001366369] [2023-12-15 20:47:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:41,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:41,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:41,122 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) [2023-12-15 20:47:41,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 20:47:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:41,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 20:47:41,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:41,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:41,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853417661] [2023-12-15 20:47:41,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001366369] [2023-12-15 20:47:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001366369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:41,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:41,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:47:41,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708136823] [2023-12-15 20:47:41,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:41,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:47:41,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:41,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:47:41,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:41,312 INFO L87 Difference]: Start difference. First operand 94 states and 153 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:41,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:41,342 INFO L93 Difference]: Finished difference Result 187 states and 305 transitions. [2023-12-15 20:47:41,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:47:41,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2023-12-15 20:47:41,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:41,344 INFO L225 Difference]: With dead ends: 187 [2023-12-15 20:47:41,344 INFO L226 Difference]: Without dead ends: 94 [2023-12-15 20:47:41,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:41,345 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 39 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:41,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 251 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:47:41,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-15 20:47:41,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-15 20:47:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 71 states have internal predecessors, (110), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 152 transitions. [2023-12-15 20:47:41,360 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 152 transitions. Word has length 144 [2023-12-15 20:47:41,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:41,362 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 152 transitions. [2023-12-15 20:47:41,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2023-12-15 20:47:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-15 20:47:41,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:41,364 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:41,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:41,575 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 [2023-12-15 20:47:41,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:41,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:41,577 INFO L85 PathProgramCache]: Analyzing trace with hash 755200550, now seen corresponding path program 1 times [2023-12-15 20:47:41,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:41,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415746261] [2023-12-15 20:47:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:41,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:41,627 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:41,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882754654] [2023-12-15 20:47:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:41,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:41,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:41,646 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) [2023-12-15 20:47:41,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 20:47:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:41,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 20:47:41,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:41,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:41,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:41,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415746261] [2023-12-15 20:47:41,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:41,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882754654] [2023-12-15 20:47:41,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882754654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:41,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:41,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:47:41,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682418413] [2023-12-15 20:47:41,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:41,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:47:41,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:41,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:47:41,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:41,765 INFO L87 Difference]: Start difference. First operand 94 states and 152 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:41,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:41,853 INFO L93 Difference]: Finished difference Result 277 states and 448 transitions. [2023-12-15 20:47:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:47:41,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 145 [2023-12-15 20:47:41,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:41,862 INFO L225 Difference]: With dead ends: 277 [2023-12-15 20:47:41,863 INFO L226 Difference]: Without dead ends: 184 [2023-12-15 20:47:41,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:41,868 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 135 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:41,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 350 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:47:41,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-15 20:47:41,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2023-12-15 20:47:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.510948905109489) internal successors, (207), 137 states have internal predecessors, (207), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 20:47:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 291 transitions. [2023-12-15 20:47:41,901 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 291 transitions. Word has length 145 [2023-12-15 20:47:41,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:41,902 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 291 transitions. [2023-12-15 20:47:41,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 291 transitions. [2023-12-15 20:47:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-15 20:47:41,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:41,908 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:41,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:42,113 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 [2023-12-15 20:47:42,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:42,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:42,114 INFO L85 PathProgramCache]: Analyzing trace with hash 889214056, now seen corresponding path program 1 times [2023-12-15 20:47:42,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:42,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48687729] [2023-12-15 20:47:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:42,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:42,138 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:42,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494061541] [2023-12-15 20:47:42,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:42,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:42,140 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) [2023-12-15 20:47:42,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 20:47:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:42,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 20:47:42,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:42,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:42,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:42,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48687729] [2023-12-15 20:47:42,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:42,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494061541] [2023-12-15 20:47:42,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494061541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:42,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:42,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:47:42,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260107549] [2023-12-15 20:47:42,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:42,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:47:42,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:42,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:47:42,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:42,258 INFO L87 Difference]: Start difference. First operand 182 states and 291 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:42,302 INFO L93 Difference]: Finished difference Result 366 states and 584 transitions. [2023-12-15 20:47:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:47:42,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 145 [2023-12-15 20:47:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:42,303 INFO L225 Difference]: With dead ends: 366 [2023-12-15 20:47:42,303 INFO L226 Difference]: Without dead ends: 185 [2023-12-15 20:47:42,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:42,305 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 130 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:42,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 316 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:47:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-12-15 20:47:42,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2023-12-15 20:47:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 138 states have (on average 1.463768115942029) internal successors, (202), 138 states have internal predecessors, (202), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 20:47:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 286 transitions. [2023-12-15 20:47:42,317 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 286 transitions. Word has length 145 [2023-12-15 20:47:42,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:42,317 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 286 transitions. [2023-12-15 20:47:42,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 286 transitions. [2023-12-15 20:47:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 20:47:42,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:42,319 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:42,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-15 20:47:42,528 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 [2023-12-15 20:47:42,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:42,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:42,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1754841184, now seen corresponding path program 1 times [2023-12-15 20:47:42,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:42,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323435658] [2023-12-15 20:47:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:42,553 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:42,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356957739] [2023-12-15 20:47:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:42,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:42,577 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) [2023-12-15 20:47:42,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 20:47:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:42,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 20:47:42,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:42,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:42,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:42,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323435658] [2023-12-15 20:47:42,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:42,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356957739] [2023-12-15 20:47:42,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356957739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:42,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:42,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:47:42,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197454707] [2023-12-15 20:47:42,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:42,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:47:42,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:42,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:47:42,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:47:42,757 INFO L87 Difference]: Start difference. First operand 183 states and 286 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:42,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:42,791 INFO L93 Difference]: Finished difference Result 371 states and 579 transitions. [2023-12-15 20:47:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:47:42,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 20:47:42,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:42,794 INFO L225 Difference]: With dead ends: 371 [2023-12-15 20:47:42,794 INFO L226 Difference]: Without dead ends: 189 [2023-12-15 20:47:42,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:47:42,795 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 1 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:42,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 424 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:47:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-12-15 20:47:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2023-12-15 20:47:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 142 states have (on average 1.4507042253521127) internal successors, (206), 142 states have internal predecessors, (206), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 20:47:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 290 transitions. [2023-12-15 20:47:42,816 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 290 transitions. Word has length 146 [2023-12-15 20:47:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:42,816 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 290 transitions. [2023-12-15 20:47:42,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 290 transitions. [2023-12-15 20:47:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 20:47:42,821 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:42,821 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:42,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:43,027 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 [2023-12-15 20:47:43,027 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:43,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1730779486, now seen corresponding path program 1 times [2023-12-15 20:47:43,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:43,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801995012] [2023-12-15 20:47:43,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:43,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:43,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:43,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047588421] [2023-12-15 20:47:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:43,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:43,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:43,081 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) [2023-12-15 20:47:43,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 20:47:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:43,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 20:47:43,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-15 20:47:43,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:43,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:43,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801995012] [2023-12-15 20:47:43,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:43,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047588421] [2023-12-15 20:47:43,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047588421] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:43,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:43,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 20:47:43,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465216378] [2023-12-15 20:47:43,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:43,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 20:47:43,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:43,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 20:47:43,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 20:47:43,243 INFO L87 Difference]: Start difference. First operand 187 states and 290 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:43,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:43,432 INFO L93 Difference]: Finished difference Result 290 states and 443 transitions. [2023-12-15 20:47:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-15 20:47:43,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 20:47:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:43,433 INFO L225 Difference]: With dead ends: 290 [2023-12-15 20:47:43,433 INFO L226 Difference]: Without dead ends: 104 [2023-12-15 20:47:43,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-15 20:47:43,434 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 210 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:43,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 277 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:47:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-15 20:47:43,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2023-12-15 20:47:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 75 states have internal predecessors, (106), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 148 transitions. [2023-12-15 20:47:43,440 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 148 transitions. Word has length 146 [2023-12-15 20:47:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:43,440 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 148 transitions. [2023-12-15 20:47:43,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2023-12-15 20:47:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 20:47:43,442 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:43,442 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:43,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:43,647 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 [2023-12-15 20:47:43,648 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:43,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:43,648 INFO L85 PathProgramCache]: Analyzing trace with hash 559333719, now seen corresponding path program 1 times [2023-12-15 20:47:43,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:43,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9064848] [2023-12-15 20:47:43,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:43,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:43,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:43,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229506167] [2023-12-15 20:47:43,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:43,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:43,697 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) [2023-12-15 20:47:43,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 20:47:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:43,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 20:47:43,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-15 20:47:44,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:44,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:44,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9064848] [2023-12-15 20:47:44,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:44,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229506167] [2023-12-15 20:47:44,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229506167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:44,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:44,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-15 20:47:44,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816849807] [2023-12-15 20:47:44,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:44,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 20:47:44,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:44,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 20:47:44,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-15 20:47:44,070 INFO L87 Difference]: Start difference. First operand 99 states and 148 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:44,415 INFO L93 Difference]: Finished difference Result 223 states and 333 transitions. [2023-12-15 20:47:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 20:47:44,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 20:47:44,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:44,416 INFO L225 Difference]: With dead ends: 223 [2023-12-15 20:47:44,416 INFO L226 Difference]: Without dead ends: 125 [2023-12-15 20:47:44,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2023-12-15 20:47:44,418 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 244 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:44,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 379 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 20:47:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-12-15 20:47:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2023-12-15 20:47:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 167 transitions. [2023-12-15 20:47:44,432 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 167 transitions. Word has length 146 [2023-12-15 20:47:44,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:44,433 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 167 transitions. [2023-12-15 20:47:44,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 167 transitions. [2023-12-15 20:47:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 20:47:44,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:44,435 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:44,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:44,640 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 [2023-12-15 20:47:44,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:44,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:44,641 INFO L85 PathProgramCache]: Analyzing trace with hash -258314731, now seen corresponding path program 1 times [2023-12-15 20:47:44,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:44,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157114297] [2023-12-15 20:47:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:44,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:44,671 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:44,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786946768] [2023-12-15 20:47:44,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:44,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:44,689 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) [2023-12-15 20:47:44,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 20:47:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:44,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-15 20:47:44,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-15 20:47:45,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:47:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157114297] [2023-12-15 20:47:45,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786946768] [2023-12-15 20:47:45,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786946768] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 20:47:45,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 20:47:45,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-12-15 20:47:45,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291785575] [2023-12-15 20:47:45,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 20:47:45,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 20:47:45,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:45,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 20:47:45,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-12-15 20:47:45,415 INFO L87 Difference]: Start difference. First operand 114 states and 167 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-15 20:47:45,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:45,946 INFO L93 Difference]: Finished difference Result 301 states and 432 transitions. [2023-12-15 20:47:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 20:47:45,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 146 [2023-12-15 20:47:45,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:45,947 INFO L225 Difference]: With dead ends: 301 [2023-12-15 20:47:45,948 INFO L226 Difference]: Without dead ends: 184 [2023-12-15 20:47:45,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-12-15 20:47:45,948 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 292 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:45,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 601 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 20:47:45,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-15 20:47:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2023-12-15 20:47:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3636363636363635) internal successors, (195), 143 states have internal predecessors, (195), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 237 transitions. [2023-12-15 20:47:45,956 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 237 transitions. Word has length 146 [2023-12-15 20:47:45,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:45,956 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 237 transitions. [2023-12-15 20:47:45,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-15 20:47:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-15 20:47:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 20:47:45,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:45,957 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:45,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-15 20:47:46,163 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 [2023-12-15 20:47:46,163 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:46,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:46,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1664913303, now seen corresponding path program 1 times [2023-12-15 20:47:46,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:46,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516707894] [2023-12-15 20:47:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:46,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:46,178 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:46,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703336979] [2023-12-15 20:47:46,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:46,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:46,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:46,180 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) [2023-12-15 20:47:46,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 20:47:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:46,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 20:47:46,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:46,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:46,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:46,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516707894] [2023-12-15 20:47:46,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:46,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703336979] [2023-12-15 20:47:46,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703336979] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:46,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:46,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:47:46,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564160834] [2023-12-15 20:47:46,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:46,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:47:46,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:47:46,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:47:46,401 INFO L87 Difference]: Start difference. First operand 169 states and 237 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:46,532 INFO L93 Difference]: Finished difference Result 346 states and 484 transitions. [2023-12-15 20:47:46,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:47:46,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 20:47:46,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:46,533 INFO L225 Difference]: With dead ends: 346 [2023-12-15 20:47:46,533 INFO L226 Difference]: Without dead ends: 178 [2023-12-15 20:47:46,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:47:46,534 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 83 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:46,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 317 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:47:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-15 20:47:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 169. [2023-12-15 20:47:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 143 states have internal predecessors, (194), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 236 transitions. [2023-12-15 20:47:46,541 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 236 transitions. Word has length 146 [2023-12-15 20:47:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:46,541 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 236 transitions. [2023-12-15 20:47:46,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 236 transitions. [2023-12-15 20:47:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-15 20:47:46,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:46,542 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:46,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:46,748 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 [2023-12-15 20:47:46,748 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:46,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:46,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1814942140, now seen corresponding path program 1 times [2023-12-15 20:47:46,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:46,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635544325] [2023-12-15 20:47:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:46,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:46,762 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:46,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496351628] [2023-12-15 20:47:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:46,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:46,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:46,778 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) [2023-12-15 20:47:46,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 20:47:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:46,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-15 20:47:46,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 136 proven. 159 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-12-15 20:47:47,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:47:47,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:47,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635544325] [2023-12-15 20:47:47,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:47,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496351628] [2023-12-15 20:47:47,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496351628] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 20:47:47,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 20:47:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-12-15 20:47:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677273839] [2023-12-15 20:47:47,759 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 20:47:47,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 20:47:47,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:47,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 20:47:47,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-12-15 20:47:47,760 INFO L87 Difference]: Start difference. First operand 169 states and 236 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-15 20:47:48,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:48,427 INFO L93 Difference]: Finished difference Result 416 states and 568 transitions. [2023-12-15 20:47:48,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-15 20:47:48,428 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 148 [2023-12-15 20:47:48,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:48,429 INFO L225 Difference]: With dead ends: 416 [2023-12-15 20:47:48,429 INFO L226 Difference]: Without dead ends: 248 [2023-12-15 20:47:48,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1083, Unknown=0, NotChecked=0, Total=1406 [2023-12-15 20:47:48,430 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 407 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:48,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 578 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 20:47:48,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-12-15 20:47:48,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2023-12-15 20:47:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 146 states have internal predecessors, (196), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 238 transitions. [2023-12-15 20:47:48,438 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 238 transitions. Word has length 148 [2023-12-15 20:47:48,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:48,438 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 238 transitions. [2023-12-15 20:47:48,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-15 20:47:48,438 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-12-15 20:47:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-15 20:47:48,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:48,439 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:48,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-15 20:47:48,644 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 [2023-12-15 20:47:48,644 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:48,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:48,644 INFO L85 PathProgramCache]: Analyzing trace with hash -674586822, now seen corresponding path program 1 times [2023-12-15 20:47:48,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:48,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020865122] [2023-12-15 20:47:48,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:48,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:48,674 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:48,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [820514063] [2023-12-15 20:47:48,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:48,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:48,687 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) [2023-12-15 20:47:48,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 20:47:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:48,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-15 20:47:48,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 136 proven. 159 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-12-15 20:47:49,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:47:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:50,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:50,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020865122] [2023-12-15 20:47:50,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:50,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820514063] [2023-12-15 20:47:50,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820514063] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 20:47:50,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 20:47:50,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2023-12-15 20:47:50,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815952615] [2023-12-15 20:47:50,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:50,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 20:47:50,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:50,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 20:47:50,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-12-15 20:47:50,242 INFO L87 Difference]: Start difference. First operand 173 states and 238 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:50,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:50,428 INFO L93 Difference]: Finished difference Result 346 states and 476 transitions. [2023-12-15 20:47:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:47:50,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 148 [2023-12-15 20:47:50,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:50,429 INFO L225 Difference]: With dead ends: 346 [2023-12-15 20:47:50,429 INFO L226 Difference]: Without dead ends: 174 [2023-12-15 20:47:50,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2023-12-15 20:47:50,430 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 76 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:50,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 327 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 20:47:50,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-15 20:47:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 173. [2023-12-15 20:47:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 146 states have (on average 1.3356164383561644) internal successors, (195), 146 states have internal predecessors, (195), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 237 transitions. [2023-12-15 20:47:50,437 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 237 transitions. Word has length 148 [2023-12-15 20:47:50,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:50,439 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 237 transitions. [2023-12-15 20:47:50,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 237 transitions. [2023-12-15 20:47:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-15 20:47:50,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:50,441 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:50,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-15 20:47:50,646 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 [2023-12-15 20:47:50,647 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:50,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash -434274968, now seen corresponding path program 1 times [2023-12-15 20:47:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:50,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142123515] [2023-12-15 20:47:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:50,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:50,661 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:50,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702206554] [2023-12-15 20:47:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:50,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:50,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:50,686 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) [2023-12-15 20:47:50,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-15 20:47:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:50,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 20:47:50,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:47:50,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:47:50,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142123515] [2023-12-15 20:47:50,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702206554] [2023-12-15 20:47:50,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702206554] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:47:50,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:47:50,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:47:50,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101833731] [2023-12-15 20:47:50,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:47:50,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:47:50,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:50,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:47:50,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:50,878 INFO L87 Difference]: Start difference. First operand 173 states and 237 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:50,987 INFO L93 Difference]: Finished difference Result 429 states and 586 transitions. [2023-12-15 20:47:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:47:50,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 151 [2023-12-15 20:47:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:50,989 INFO L225 Difference]: With dead ends: 429 [2023-12-15 20:47:50,989 INFO L226 Difference]: Without dead ends: 257 [2023-12-15 20:47:50,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:47:50,990 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 104 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:50,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 204 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:47:50,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-12-15 20:47:50,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 187. [2023-12-15 20:47:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 160 states have (on average 1.31875) internal successors, (211), 160 states have internal predecessors, (211), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 253 transitions. [2023-12-15 20:47:50,999 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 253 transitions. Word has length 151 [2023-12-15 20:47:50,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:50,999 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 253 transitions. [2023-12-15 20:47:50,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:47:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 253 transitions. [2023-12-15 20:47:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-15 20:47:51,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:51,001 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:51,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:51,206 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 [2023-12-15 20:47:51,206 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:51,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:51,207 INFO L85 PathProgramCache]: Analyzing trace with hash 245783402, now seen corresponding path program 1 times [2023-12-15 20:47:51,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:51,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543234086] [2023-12-15 20:47:51,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:51,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:51,222 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:51,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889901626] [2023-12-15 20:47:51,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:51,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:51,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:51,241 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) [2023-12-15 20:47:51,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-15 20:47:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:51,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-15 20:47:51,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-15 20:47:51,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:47:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 111 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-12-15 20:47:51,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:47:51,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543234086] [2023-12-15 20:47:51,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:47:51,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889901626] [2023-12-15 20:47:51,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889901626] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:47:51,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:47:51,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-12-15 20:47:51,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796760910] [2023-12-15 20:47:51,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:47:51,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-15 20:47:51,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:47:51,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-15 20:47:51,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2023-12-15 20:47:51,946 INFO L87 Difference]: Start difference. First operand 187 states and 253 transitions. Second operand has 18 states, 18 states have (on average 4.666666666666667) internal successors, (84), 18 states have internal predecessors, (84), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) [2023-12-15 20:47:52,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:47:52,481 INFO L93 Difference]: Finished difference Result 395 states and 531 transitions. [2023-12-15 20:47:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 20:47:52,482 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.666666666666667) internal successors, (84), 18 states have internal predecessors, (84), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) Word has length 151 [2023-12-15 20:47:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:47:52,482 INFO L225 Difference]: With dead ends: 395 [2023-12-15 20:47:52,482 INFO L226 Difference]: Without dead ends: 209 [2023-12-15 20:47:52,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2023-12-15 20:47:52,484 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 605 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 20:47:52,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 515 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 20:47:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-12-15 20:47:52,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 156. [2023-12-15 20:47:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 129 states have (on average 1.2790697674418605) internal successors, (165), 129 states have internal predecessors, (165), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:47:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2023-12-15 20:47:52,493 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 151 [2023-12-15 20:47:52,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:47:52,493 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2023-12-15 20:47:52,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.666666666666667) internal successors, (84), 18 states have internal predecessors, (84), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) [2023-12-15 20:47:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2023-12-15 20:47:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 20:47:52,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:47:52,494 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:47:52,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-15 20:47:52,699 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 [2023-12-15 20:47:52,700 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:47:52,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:47:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash -240150105, now seen corresponding path program 1 times [2023-12-15 20:47:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:47:52,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301770620] [2023-12-15 20:47:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:47:52,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:47:52,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464412831] [2023-12-15 20:47:52,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:47:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:47:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:47:52,743 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) [2023-12-15 20:47:52,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-15 20:47:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:47:53,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-15 20:47:53,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:47:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 522 proven. 123 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-12-15 20:47:56,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:48:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:48:02,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:48:02,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301770620] [2023-12-15 20:48:02,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:48:02,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464412831] [2023-12-15 20:48:02,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464412831] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 20:48:02,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 20:48:02,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [27] total 36 [2023-12-15 20:48:02,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156500130] [2023-12-15 20:48:02,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:48:02,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 20:48:02,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:48:02,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 20:48:02,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2023-12-15 20:48:02,064 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:07,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:48:07,095 INFO L93 Difference]: Finished difference Result 596 states and 792 transitions. [2023-12-15 20:48:07,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-15 20:48:07,096 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2023-12-15 20:48:07,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:48:07,097 INFO L225 Difference]: With dead ends: 596 [2023-12-15 20:48:07,097 INFO L226 Difference]: Without dead ends: 441 [2023-12-15 20:48:07,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=527, Invalid=2665, Unknown=0, NotChecked=0, Total=3192 [2023-12-15 20:48:07,098 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 594 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 20:48:07,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 508 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 20:48:07,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-12-15 20:48:07,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 219. [2023-12-15 20:48:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 192 states have internal predecessors, (251), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:48:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 293 transitions. [2023-12-15 20:48:07,112 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 293 transitions. Word has length 153 [2023-12-15 20:48:07,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:48:07,112 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 293 transitions. [2023-12-15 20:48:07,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 293 transitions. [2023-12-15 20:48:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 20:48:07,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:48:07,113 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:48:07,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-15 20:48:07,319 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 [2023-12-15 20:48:07,319 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:48:07,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:48:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1828498007, now seen corresponding path program 1 times [2023-12-15 20:48:07,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:48:07,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869087746] [2023-12-15 20:48:07,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:07,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:48:07,335 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:48:07,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854439067] [2023-12-15 20:48:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:48:07,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:48:07,348 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) [2023-12-15 20:48:07,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-15 20:48:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:48:07,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 20:48:07,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:48:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:48:09,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:48:09,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:48:09,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869087746] [2023-12-15 20:48:09,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:48:09,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854439067] [2023-12-15 20:48:09,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854439067] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:48:09,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:48:09,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 20:48:09,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362829029] [2023-12-15 20:48:09,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:48:09,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 20:48:09,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:48:09,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 20:48:09,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-15 20:48:09,068 INFO L87 Difference]: Start difference. First operand 219 states and 293 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:48:10,033 INFO L93 Difference]: Finished difference Result 561 states and 752 transitions. [2023-12-15 20:48:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-15 20:48:10,034 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2023-12-15 20:48:10,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:48:10,035 INFO L225 Difference]: With dead ends: 561 [2023-12-15 20:48:10,035 INFO L226 Difference]: Without dead ends: 343 [2023-12-15 20:48:10,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-12-15 20:48:10,036 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 405 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 20:48:10,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 466 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 20:48:10,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-12-15 20:48:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 223. [2023-12-15 20:48:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 196 states have (on average 1.3112244897959184) internal successors, (257), 196 states have internal predecessors, (257), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 20:48:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 299 transitions. [2023-12-15 20:48:10,048 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 299 transitions. Word has length 153 [2023-12-15 20:48:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:48:10,049 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 299 transitions. [2023-12-15 20:48:10,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 299 transitions. [2023-12-15 20:48:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 20:48:10,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:48:10,050 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:48:10,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-15 20:48:10,254 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 [2023-12-15 20:48:10,254 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:48:10,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:48:10,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1301360803, now seen corresponding path program 1 times [2023-12-15 20:48:10,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:48:10,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15177190] [2023-12-15 20:48:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:10,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:48:10,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:48:10,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072100445] [2023-12-15 20:48:10,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:48:10,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:48:10,268 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) [2023-12-15 20:48:10,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-15 20:48:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:48:10,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 20:48:10,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:48:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:48:10,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:48:10,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:48:10,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15177190] [2023-12-15 20:48:10,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:48:10,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072100445] [2023-12-15 20:48:10,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072100445] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:48:10,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:48:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:48:10,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289985341] [2023-12-15 20:48:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:48:10,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:48:10,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:48:10,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:48:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:48:10,484 INFO L87 Difference]: Start difference. First operand 223 states and 299 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:48:10,570 INFO L93 Difference]: Finished difference Result 573 states and 763 transitions. [2023-12-15 20:48:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:48:10,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2023-12-15 20:48:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:48:10,571 INFO L225 Difference]: With dead ends: 573 [2023-12-15 20:48:10,571 INFO L226 Difference]: Without dead ends: 351 [2023-12-15 20:48:10,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:48:10,572 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 93 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:48:10,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 388 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:48:10,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-12-15 20:48:10,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 278. [2023-12-15 20:48:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 225 states have (on average 1.271111111111111) internal successors, (286), 225 states have internal predecessors, (286), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 20:48:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 370 transitions. [2023-12-15 20:48:10,593 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 370 transitions. Word has length 153 [2023-12-15 20:48:10,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:48:10,594 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 370 transitions. [2023-12-15 20:48:10,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 370 transitions. [2023-12-15 20:48:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 20:48:10,609 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:48:10,609 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:48:10,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-15 20:48:10,814 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 [2023-12-15 20:48:10,815 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:48:10,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:48:10,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1460378694, now seen corresponding path program 1 times [2023-12-15 20:48:10,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:48:10,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110599625] [2023-12-15 20:48:10,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:48:10,831 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:48:10,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435480989] [2023-12-15 20:48:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:10,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:48:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:48:10,836 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) [2023-12-15 20:48:10,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-15 20:48:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:48:11,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-15 20:48:11,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:48:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 20:48:13,127 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:48:13,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:48:13,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110599625] [2023-12-15 20:48:13,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:48:13,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435480989] [2023-12-15 20:48:13,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435480989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:48:13,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:48:13,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 20:48:13,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818347531] [2023-12-15 20:48:13,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:48:13,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 20:48:13,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:48:13,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 20:48:13,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-15 20:48:13,129 INFO L87 Difference]: Start difference. First operand 278 states and 370 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:14,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:48:14,247 INFO L93 Difference]: Finished difference Result 655 states and 871 transitions. [2023-12-15 20:48:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-15 20:48:14,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 154 [2023-12-15 20:48:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:48:14,249 INFO L225 Difference]: With dead ends: 655 [2023-12-15 20:48:14,249 INFO L226 Difference]: Without dead ends: 433 [2023-12-15 20:48:14,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-12-15 20:48:14,250 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 548 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 20:48:14,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 300 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 20:48:14,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-12-15 20:48:14,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 276. [2023-12-15 20:48:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 223 states have (on average 1.2645739910313902) internal successors, (282), 223 states have internal predecessors, (282), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 20:48:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 366 transitions. [2023-12-15 20:48:14,273 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 366 transitions. Word has length 154 [2023-12-15 20:48:14,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:48:14,273 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 366 transitions. [2023-12-15 20:48:14,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 20:48:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 366 transitions. [2023-12-15 20:48:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 20:48:14,274 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:48:14,274 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:48:14,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-15 20:48:14,479 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 [2023-12-15 20:48:14,480 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:48:14,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:48:14,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1892327398, now seen corresponding path program 1 times [2023-12-15 20:48:14,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:48:14,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400451923] [2023-12-15 20:48:14,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:14,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:48:14,493 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:48:14,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002694260] [2023-12-15 20:48:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:48:14,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:48:14,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:48:14,510 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) [2023-12-15 20:48:14,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-15 20:48:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:48:14,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 20:48:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:48:14,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 20:48:14,963 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 20:48:14,964 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 20:48:14,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-12-15 20:48:15,171 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 [2023-12-15 20:48:15,174 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:48:15,177 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 20:48:15,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:48:15 BoogieIcfgContainer [2023-12-15 20:48:15,278 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 20:48:15,279 INFO L158 Benchmark]: Toolchain (without parser) took 36122.53ms. Allocated memory was 355.5MB in the beginning and 663.7MB in the end (delta: 308.3MB). Free memory was 311.2MB in the beginning and 290.9MB in the end (delta: 20.3MB). Peak memory consumption was 330.1MB. Max. memory is 8.0GB. [2023-12-15 20:48:15,279 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:48:15,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.75ms. Allocated memory is still 355.5MB. Free memory was 310.7MB in the beginning and 293.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 20:48:15,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.89ms. Allocated memory is still 355.5MB. Free memory was 293.9MB in the beginning and 286.1MB in the end (delta: 7.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-15 20:48:15,279 INFO L158 Benchmark]: Boogie Preprocessor took 102.77ms. Allocated memory is still 355.5MB. Free memory was 286.1MB in the beginning and 275.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-15 20:48:15,280 INFO L158 Benchmark]: RCFGBuilder took 567.27ms. Allocated memory is still 355.5MB. Free memory was 275.6MB in the beginning and 233.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-15 20:48:15,280 INFO L158 Benchmark]: TraceAbstraction took 35107.63ms. Allocated memory was 355.5MB in the beginning and 663.7MB in the end (delta: 308.3MB). Free memory was 233.1MB in the beginning and 290.9MB in the end (delta: -57.8MB). Peak memory consumption was 251.5MB. Max. memory is 8.0GB. [2023-12-15 20:48:15,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 282.75ms. Allocated memory is still 355.5MB. Free memory was 310.7MB in the beginning and 293.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.89ms. Allocated memory is still 355.5MB. Free memory was 293.9MB in the beginning and 286.1MB in the end (delta: 7.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 102.77ms. Allocated memory is still 355.5MB. Free memory was 286.1MB in the beginning and 275.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 567.27ms. Allocated memory is still 355.5MB. Free memory was 275.6MB in the beginning and 233.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 35107.63ms. Allocated memory was 355.5MB in the beginning and 663.7MB in the end (delta: 308.3MB). Free memory was 233.1MB in the beginning and 290.9MB in the end (delta: -57.8MB). Peak memory consumption was 251.5MB. 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 167, overapproximation of shiftRight at line 167. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 50; [L23] unsigned char var_1_5 = 200; [L24] unsigned char var_1_6 = 64; [L25] signed short int var_1_7 = -2; [L26] signed long int var_1_8 = 16; [L27] unsigned char var_1_11 = 1; [L28] signed char var_1_12 = 8; [L29] signed char var_1_13 = 0; [L30] signed char var_1_14 = 10; [L31] signed char var_1_15 = 8; [L32] unsigned char var_1_16 = 5; [L33] unsigned char var_1_17 = 100; [L34] unsigned char var_1_18 = 25; [L35] unsigned char var_1_19 = 0; [L36] signed short int var_1_20 = -128; [L37] signed short int var_1_21 = -8; [L38] double var_1_22 = 100000000000.35; [L39] double var_1_23 = 199.4; [L40] double var_1_24 = 63.5; [L41] signed short int var_1_25 = 1; [L42] unsigned char var_1_27 = 1; [L43] unsigned char var_1_28 = 0; [L44] signed short int var_1_29 = -8; [L45] signed long int last_1_var_1_8 = 16; [L46] unsigned char last_1_var_1_16 = 5; [L171] isInitial = 1 [L172] FCALL initially() [L173] int k_loop; [L174] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=200, var_1_6=64, var_1_7=-2, var_1_8=16] [L174] COND TRUE k_loop < 1 [L175] CALL updateLastVariables() [L163] last_1_var_1_8 = var_1_8 [L164] last_1_var_1_16 = var_1_16 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L128] var_1_5 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=64, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=64, var_1_7=-2, var_1_8=16] [L129] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=64, var_1_7=-2, var_1_8=16] [L130] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=64, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=64, var_1_7=-2, var_1_8=16] [L130] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=64, var_1_7=-2, var_1_8=16] [L131] var_1_6 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_7=-2, var_1_8=16] [L132] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_7=-2, var_1_8=16] [L133] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L133] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L134] var_1_13 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L135] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L136] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L136] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L137] var_1_14 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L138] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L139] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L139] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L140] var_1_15 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L141] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L142] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L142] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L143] var_1_17 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_17 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L144] RET assume_abort_if_not(var_1_17 >= 95) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L145] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L145] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L146] var_1_18 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L147] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L148] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L148] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L149] var_1_19 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L150] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L151] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L151] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L152] var_1_22 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L153] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L154] var_1_23 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L155] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L156] var_1_24 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L157] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L158] var_1_28 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L159] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L160] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L160] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L176] RET updateVariables() [L177] CALL step() [L50] COND TRUE (last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16 [L51] var_1_1 = ((var_1_5 - 2) - var_1_6) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L55] COND TRUE 100.5f < var_1_22 [L56] var_1_27 = (! var_1_28) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L58] COND TRUE var_1_27 || var_1_27 [L59] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L61] signed long int stepLocal_5 = 2; [L62] unsigned char stepLocal_4 = var_1_5; [L63] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L64] COND FALSE !(stepLocal_4 <= var_1_1) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L67] COND TRUE stepLocal_3 || var_1_27 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=16] [L68] COND TRUE stepLocal_5 < var_1_1 [L69] var_1_8 = var_1_6 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L73] COND FALSE !(! var_1_27) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L80] signed long int stepLocal_2 = ~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))); VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L81] EXPR var_1_11 >> var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L81] signed long int stepLocal_1 = var_1_11 >> var_1_1; [L82] unsigned char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L83] COND TRUE var_1_5 >= stepLocal_2 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L84] COND FALSE !(var_1_1 <= stepLocal_1) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L94] COND TRUE (var_1_22 * -0.625) < (var_1_23 * var_1_24) [L95] var_1_21 = ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L101] COND FALSE !(var_1_7 > var_1_5) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L106] COND TRUE \read(var_1_27) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L107] COND FALSE !(var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L117] COND TRUE var_1_15 > var_1_25 [L118] var_1_16 = (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L120] EXPR var_1_16 | var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L120] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=-128, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L120] signed long int stepLocal_6 = (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))); [L121] COND FALSE !(stepLocal_6 > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) [L124] var_1_20 = ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=123, stepLocal_1=0, stepLocal_2=-124, stepLocal_3=1, stepLocal_4=248, stepLocal_5=2, stepLocal_6=0, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L177] RET step() [L178] CALL, EXPR property() [L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR var_1_11 >> var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR var_1_16 | var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L167-L168] return ((((((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))) && (((var_1_22 * -0.625) < (var_1_23 * var_1_24)) ? (var_1_21 == ((signed short int) ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))))) : (var_1_27 ? (var_1_21 == ((signed short int) (((((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) > ((var_1_13 + var_1_6))) ? ((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) : ((var_1_13 + var_1_6)))))) : 1))) && (var_1_27 ? ((var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) ? (var_1_27 ? (var_1_25 == ((signed short int) var_1_17)) : (var_1_25 == ((signed short int) var_1_18))) : 1) : (var_1_25 == ((signed short int) var_1_14)))) && ((100.5f < var_1_22) ? (var_1_27 == ((unsigned char) (! var_1_28))) : 1)) && ((var_1_7 > var_1_5) ? (((var_1_21 <= var_1_6) || (var_1_27 || var_1_27)) ? (var_1_29 == ((signed short int) var_1_17)) : 1) : 1) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=4, var_1_14=-4, var_1_15=63, var_1_16=123, var_1_17=127, var_1_18=2, var_1_19=0, var_1_1=123, var_1_20=129, var_1_21=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=248, var_1_6=123, var_1_7=-2, var_1_8=123] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 18, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3972 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3966 mSDsluCounter, 6351 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4238 mSDsCounter, 353 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5643 IncrementalHoareTripleChecker+Invalid, 5996 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 353 mSolverCounterUnsat, 2113 mSDtfsCounter, 5643 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3301 GetRequests, 3069 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1716 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=16, InterpolantAutomatonStates: 178, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 817 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 2819 NumberOfCodeBlocks, 2819 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2951 ConstructedInterpolants, 0 QuantifiedInterpolants, 27652 SizeOfPredicates, 113 NumberOfNonLiveVariables, 6060 ConjunctsInSsa, 196 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 16032/16800 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 [2023-12-15 20:48:15,417 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...