/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_floatingpointinfluence_has-floats_file-67.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 20:40:38,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 20:40:38,811 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 20:40:38,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 20:40:38,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 20:40:38,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 20:40:38,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 20:40:38,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 20:40:38,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 20:40:38,843 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 20:40:38,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 20:40:38,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 20:40:38,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 20:40:38,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 20:40:38,845 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 20:40:38,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 20:40:38,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 20:40:38,846 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 20:40:38,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 20:40:38,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 20:40:38,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 20:40:38,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 20:40:38,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 20:40:38,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 20:40:38,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 20:40:38,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 20:40:38,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 20:40:38,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 20:40:38,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 20:40:38,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 20:40:38,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 20:40:38,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:40:38,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 20:40:38,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 20:40:38,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 20:40:38,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 20:40:38,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 20:40:38,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 20:40:39,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 20:40:39,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 20:40:39,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 20:40:39,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 20:40:39,046 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 20:40:39,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2023-12-15 20:40:40,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 20:40:40,228 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 20:40:40,229 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2023-12-15 20:40:40,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b02b21ec/96cf05dd22fa4d3787b64da10598f063/FLAG968950976 [2023-12-15 20:40:40,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b02b21ec/96cf05dd22fa4d3787b64da10598f063 [2023-12-15 20:40:40,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 20:40:40,252 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 20:40:40,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 20:40:40,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 20:40:40,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 20:40:40,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b611de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40, skipping insertion in model container [2023-12-15 20:40:40,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 20:40:40,388 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_floatingpointinfluence_has-floats_file-67.i[917,930] [2023-12-15 20:40:40,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:40:40,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 20:40:40,434 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_floatingpointinfluence_has-floats_file-67.i[917,930] [2023-12-15 20:40:40,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:40:40,456 INFO L206 MainTranslator]: Completed translation [2023-12-15 20:40:40,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40 WrapperNode [2023-12-15 20:40:40,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 20:40:40,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 20:40:40,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 20:40:40,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 20:40:40,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,490 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-12-15 20:40:40,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 20:40:40,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 20:40:40,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 20:40:40,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 20:40:40,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,511 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 20:40:40,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 20:40:40,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 20:40:40,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 20:40:40,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 20:40:40,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (1/1) ... [2023-12-15 20:40:40,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:40:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:40:40,550 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 20:40:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 20:40:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 20:40:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 20:40:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 20:40:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 20:40:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 20:40:40,583 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 20:40:40,674 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 20:40:40,678 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 20:40:40,891 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 20:40:40,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 20:40:40,914 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 20:40:40,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:40:40 BoogieIcfgContainer [2023-12-15 20:40:40,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 20:40:40,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 20:40:40,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 20:40:40,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 20:40:40,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:40:40" (1/3) ... [2023-12-15 20:40:40,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eceaca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:40:40, skipping insertion in model container [2023-12-15 20:40:40,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:40:40" (2/3) ... [2023-12-15 20:40:40,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eceaca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:40:40, skipping insertion in model container [2023-12-15 20:40:40,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:40:40" (3/3) ... [2023-12-15 20:40:40,919 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2023-12-15 20:40:40,931 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 20:40:40,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 20:40:40,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 20:40:40,962 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;@39de9fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 20:40:40,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 20:40:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 29 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 20:40:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-15 20:40:40,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:40:40,972 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:40,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:40:40,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:40:40,975 INFO L85 PathProgramCache]: Analyzing trace with hash 153094614, now seen corresponding path program 1 times [2023-12-15 20:40:40,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:40:40,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792607942] [2023-12-15 20:40:40,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:40:41,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:40:41,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60796639] [2023-12-15 20:40:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:41,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:40:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:40:41,094 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 20:40:41,115 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 20:40:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:40:41,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 20:40:41,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:40:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-15 20:40:41,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:40:41,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:40:41,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792607942] [2023-12-15 20:40:41,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:40:41,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60796639] [2023-12-15 20:40:41,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60796639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:40:41,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:40:41,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:40:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19195648] [2023-12-15 20:40:41,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:40:41,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:40:41,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:40:41,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:40:41,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:40:41,591 INFO L87 Difference]: Start difference. First operand has 43 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 29 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-15 20:40:41,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:40:41,695 INFO L93 Difference]: Finished difference Result 100 states and 167 transitions. [2023-12-15 20:40:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:40:41,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2023-12-15 20:40:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:40:41,707 INFO L225 Difference]: With dead ends: 100 [2023-12-15 20:40:41,707 INFO L226 Difference]: Without dead ends: 58 [2023-12-15 20:40:41,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 20:40:41,714 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 22 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:40:41,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 140 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:40:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-15 20:40:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2023-12-15 20:40:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 20:40:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 74 transitions. [2023-12-15 20:40:41,751 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 74 transitions. Word has length 79 [2023-12-15 20:40:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:40:41,753 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 74 transitions. [2023-12-15 20:40:41,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-15 20:40:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-12-15 20:40:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-15 20:40:41,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:40:41,758 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:41,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 20:40:41,963 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 20:40:41,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:40:41,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:40:41,965 INFO L85 PathProgramCache]: Analyzing trace with hash 854159192, now seen corresponding path program 1 times [2023-12-15 20:40:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:40:41,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80054563] [2023-12-15 20:40:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:40:42,039 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:40:42,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286995199] [2023-12-15 20:40:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:42,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:40:42,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:40:42,050 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 20:40:42,065 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 20:40:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:40:42,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 20:40:42,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:40:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-15 20:40:42,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:40:42,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:40:42,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80054563] [2023-12-15 20:40:42,183 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:40:42,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286995199] [2023-12-15 20:40:42,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286995199] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:40:42,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:40:42,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:40:42,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031696870] [2023-12-15 20:40:42,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:40:42,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:40:42,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:40:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:40:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:40:42,187 INFO L87 Difference]: Start difference. First operand 50 states and 74 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-15 20:40:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:40:42,246 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2023-12-15 20:40:42,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:40:42,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2023-12-15 20:40:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:40:42,249 INFO L225 Difference]: With dead ends: 107 [2023-12-15 20:40:42,249 INFO L226 Difference]: Without dead ends: 58 [2023-12-15 20:40:42,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 20:40:42,252 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 19 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:40:42,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 195 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:40:42,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-15 20:40:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2023-12-15 20:40:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 20:40:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 59 transitions. [2023-12-15 20:40:42,268 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 59 transitions. Word has length 79 [2023-12-15 20:40:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:40:42,268 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 59 transitions. [2023-12-15 20:40:42,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-15 20:40:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2023-12-15 20:40:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 20:40:42,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:40:42,269 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:42,287 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 20:40:42,476 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 20:40:42,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:40:42,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:40:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash 778052093, now seen corresponding path program 1 times [2023-12-15 20:40:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:40:42,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319043883] [2023-12-15 20:40:42,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:40:42,512 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:40:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882099993] [2023-12-15 20:40:42,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:42,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:40:42,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:40:42,526 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 20:40:42,560 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 20:40:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:40:42,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 20:40:42,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:40:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-15 20:40:42,640 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:40:42,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:40:42,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319043883] [2023-12-15 20:40:42,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:40:42,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882099993] [2023-12-15 20:40:42,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882099993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:40:42,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:40:42,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:40:42,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070880883] [2023-12-15 20:40:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:40:42,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:40:42,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:40:42,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:40:42,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:40:42,642 INFO L87 Difference]: Start difference. First operand 41 states and 59 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-15 20:40:42,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:40:42,670 INFO L93 Difference]: Finished difference Result 103 states and 145 transitions. [2023-12-15 20:40:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:40:42,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2023-12-15 20:40:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:40:42,671 INFO L225 Difference]: With dead ends: 103 [2023-12-15 20:40:42,671 INFO L226 Difference]: Without dead ends: 63 [2023-12-15 20:40:42,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 20:40:42,673 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 21 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:40:42,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 107 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:40:42,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-15 20:40:42,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2023-12-15 20:40:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 20:40:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2023-12-15 20:40:42,679 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 81 [2023-12-15 20:40:42,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:40:42,680 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2023-12-15 20:40:42,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-15 20:40:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2023-12-15 20:40:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 20:40:42,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:40:42,681 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:42,688 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 20:40:42,886 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 20:40:42,886 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:40:42,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:40:42,887 INFO L85 PathProgramCache]: Analyzing trace with hash 776205051, now seen corresponding path program 1 times [2023-12-15 20:40:42,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:40:42,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477302491] [2023-12-15 20:40:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:42,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:40:42,917 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:40:42,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031068328] [2023-12-15 20:40:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:40:42,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:40:42,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:40:42,928 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 20:40:42,936 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 20:40:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:40:43,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 20:40:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:40:43,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 20:40:43,074 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 20:40:43,075 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 20:40:43,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 20:40:43,281 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 20:40:43,284 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 20:40:43,286 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 20:40:43,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:40:43 BoogieIcfgContainer [2023-12-15 20:40:43,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 20:40:43,327 INFO L158 Benchmark]: Toolchain (without parser) took 3075.64ms. Allocated memory was 235.9MB in the beginning and 314.6MB in the end (delta: 78.6MB). Free memory was 190.8MB in the beginning and 238.7MB in the end (delta: -47.9MB). Peak memory consumption was 31.1MB. Max. memory is 8.0GB. [2023-12-15 20:40:43,327 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 235.9MB. Free memory is still 193.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:40:43,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.40ms. Allocated memory is still 235.9MB. Free memory was 190.4MB in the beginning and 177.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-15 20:40:43,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.05ms. Allocated memory is still 235.9MB. Free memory was 177.8MB in the beginning and 175.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 20:40:43,328 INFO L158 Benchmark]: Boogie Preprocessor took 29.12ms. Allocated memory is still 235.9MB. Free memory was 175.4MB in the beginning and 172.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-15 20:40:43,328 INFO L158 Benchmark]: RCFGBuilder took 393.30ms. Allocated memory is still 235.9MB. Free memory was 172.3MB in the beginning and 154.8MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-15 20:40:43,328 INFO L158 Benchmark]: TraceAbstraction took 2411.58ms. Allocated memory was 235.9MB in the beginning and 314.6MB in the end (delta: 78.6MB). Free memory was 154.1MB in the beginning and 238.7MB in the end (delta: -84.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:40:43,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 235.9MB. Free memory is still 193.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.40ms. Allocated memory is still 235.9MB. Free memory was 190.4MB in the beginning and 177.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.05ms. Allocated memory is still 235.9MB. Free memory was 177.8MB in the beginning and 175.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.12ms. Allocated memory is still 235.9MB. Free memory was 175.4MB in the beginning and 172.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 393.30ms. Allocated memory is still 235.9MB. Free memory was 172.3MB in the beginning and 154.8MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2411.58ms. Allocated memory was 235.9MB in the beginning and 314.6MB in the end (delta: 78.6MB). Free memory was 154.1MB in the beginning and 238.7MB in the end (delta: -84.6MB). There was no memory consumed. 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 someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] unsigned short int var_1_7 = 256; [L27] signed long int var_1_8 = 50; [L28] unsigned char var_1_9 = 0; [L29] signed long int var_1_10 = -4; [L30] float var_1_11 = 15.125; [L31] float var_1_12 = 0.9; [L32] double var_1_13 = 25.875; [L33] unsigned short int var_1_14 = 50; [L34] signed short int last_1_var_1_1 = 2; [L35] unsigned short int last_1_var_1_6 = 128; [L36] signed long int last_1_var_1_8 = 50; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L89] last_1_var_1_1 = var_1_1 [L90] last_1_var_1_6 = var_1_6 [L91] last_1_var_1_8 = var_1_8 [L101] RET updateLastVariables() [L102] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L72] var_1_5 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L73] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L75] var_1_7 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L84] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L86] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L40] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L41] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L43] signed long int stepLocal_0 = 1 * var_1_4; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L44] EXPR var_1_1 >> var_1_5 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=1] [L44] COND TRUE (var_1_1 >> var_1_5) > stepLocal_0 [L45] var_1_6 = (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L49] var_1_11 = var_1_12 [L50] var_1_13 = var_1_12 [L51] var_1_14 = var_1_7 [L52] signed long int stepLocal_2 = var_1_4 / var_1_10; [L53] unsigned short int stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, stepLocal_1=0, stepLocal_2=0, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L54] COND TRUE \read(var_1_9) [L55] var_1_8 = ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, stepLocal_1=0, stepLocal_2=0, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L94] EXPR var_1_1 >> var_1_5 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L94-L95] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7)))) && (var_1_9 ? (var_1_8 == ((signed long int) ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))))) : ((var_1_14 > (var_1_4 / var_1_10)) ? ((var_1_7 > var_1_6) ? (var_1_8 == ((signed long int) ((((var_1_4) < (100)) ? (var_1_4) : (100))))) : (var_1_8 == ((signed long int) (last_1_var_1_8 - var_1_7)))) : (var_1_8 == ((signed long int) (var_1_6 + var_1_5)))))) && (var_1_11 == ((float) var_1_12))) && (var_1_13 == ((double) var_1_12))) && (var_1_14 == ((unsigned short int) var_1_7)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=42286, var_1_7=0, var_1_8=50, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 442 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 7 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 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 20:40:43,352 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...