/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 22:33:42,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 22:33:42,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 22:33:42,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 22:33:42,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 22:33:42,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 22:33:42,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 22:33:42,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 22:33:42,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 22:33:42,408 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 22:33:42,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 22:33:42,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 22:33:42,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 22:33:42,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 22:33:42,409 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 22:33:42,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 22:33:42,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 22:33:42,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 22:33:42,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 22:33:42,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 22:33:42,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 22:33:42,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 22:33:42,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 22:33:42,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 22:33:42,411 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 22:33:42,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 22:33:42,411 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 22:33:42,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 22:33:42,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 22:33:42,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 22:33:42,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 22:33:42,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 22:33:42,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 22:33:42,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 22:33:42,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 22:33:42,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 22:33:42,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 22:33:42,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 22:33:42,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 22:33:42,415 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 22:33:42,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 22:33:42,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 22:33:42,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 22:33:42,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 22:33:42,625 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 22:33:42,626 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 22:33:42,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2023-12-24 22:33:43,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 22:33:43,841 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 22:33:43,842 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2023-12-24 22:33:43,851 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf9be603/d2ccad3bf6794ac09f560c4d398d7cb1/FLAGcd8886be2 [2023-12-24 22:33:43,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf9be603/d2ccad3bf6794ac09f560c4d398d7cb1 [2023-12-24 22:33:43,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 22:33:43,870 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 22:33:43,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 22:33:43,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 22:33:43,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 22:33:43,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 10:33:43" (1/1) ... [2023-12-24 22:33:43,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a47335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:43, skipping insertion in model container [2023-12-24 22:33:43,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 10:33:43" (1/1) ... [2023-12-24 22:33:43,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 22:33:44,011 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i[893,906] [2023-12-24 22:33:44,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 22:33:44,034 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 22:33:44,048 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i[893,906] [2023-12-24 22:33:44,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 22:33:44,064 INFO L206 MainTranslator]: Completed translation [2023-12-24 22:33:44,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44 WrapperNode [2023-12-24 22:33:44,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 22:33:44,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 22:33:44,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 22:33:44,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 22:33:44,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,088 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 105 [2023-12-24 22:33:44,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 22:33:44,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 22:33:44,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 22:33:44,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 22:33:44,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,105 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]. [2023-12-24 22:33:44,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 22:33:44,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 22:33:44,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 22:33:44,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 22:33:44,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (1/1) ... [2023-12-24 22:33:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 22:33:44,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 22:33:44,189 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) [2023-12-24 22:33:44,233 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 [2023-12-24 22:33:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 22:33:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 22:33:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 22:33:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 22:33:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-24 22:33:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-24 22:33:44,289 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 22:33:44,290 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 22:33:44,451 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 22:33:44,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 22:33:44,466 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-24 22:33:44,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 10:33:44 BoogieIcfgContainer [2023-12-24 22:33:44,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 22:33:44,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 22:33:44,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 22:33:44,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 22:33:44,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 10:33:43" (1/3) ... [2023-12-24 22:33:44,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225a96c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 10:33:44, skipping insertion in model container [2023-12-24 22:33:44,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:44" (2/3) ... [2023-12-24 22:33:44,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225a96c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 10:33:44, skipping insertion in model container [2023-12-24 22:33:44,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 10:33:44" (3/3) ... [2023-12-24 22:33:44,471 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2023-12-24 22:33:44,482 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 22:33:44,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 22:33:44,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 22:33:44,522 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;@12f36ce7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 22:33:44,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 22:33:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 30 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-24 22:33:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-24 22:33:44,534 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:44,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:44,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 22:33:44,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:44,539 INFO L85 PathProgramCache]: Analyzing trace with hash 644946439, now seen corresponding path program 1 times [2023-12-24 22:33:44,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:44,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738965781] [2023-12-24 22:33:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:44,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:44,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:44,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 22:33:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:44,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:33:44,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:33:44,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:44,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:44,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738965781] [2023-12-24 22:33:44,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738965781] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:44,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:44,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:33:44,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621888860] [2023-12-24 22:33:44,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:44,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:33:44,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:45,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:33:45,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:33:45,014 INFO L87 Difference]: Start difference. First operand has 47 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 30 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:45,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:45,440 INFO L93 Difference]: Finished difference Result 122 states and 237 transitions. [2023-12-24 22:33:45,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:33:45,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-24 22:33:45,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:45,448 INFO L225 Difference]: With dead ends: 122 [2023-12-24 22:33:45,448 INFO L226 Difference]: Without dead ends: 72 [2023-12-24 22:33:45,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:33:45,452 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 123 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:45,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 233 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:33:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-24 22:33:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 57. [2023-12-24 22:33:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 30 states have (on average 1.2) internal successors, (36), 34 states have internal predecessors, (36), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-24 22:33:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2023-12-24 22:33:45,485 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 12 [2023-12-24 22:33:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:45,486 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2023-12-24 22:33:45,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-12-24 22:33:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-24 22:33:45,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:45,487 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:45,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 22:33:45,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:45,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 22:33:45,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:45,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1092533038, now seen corresponding path program 1 times [2023-12-24 22:33:45,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:45,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867721815] [2023-12-24 22:33:45,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:45,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:45,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:45,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:45,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 22:33:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:45,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-24 22:33:45,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-24 22:33:45,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:45,765 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:45,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867721815] [2023-12-24 22:33:45,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867721815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:45,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:45,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 22:33:45,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501349785] [2023-12-24 22:33:45,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:45,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 22:33:45,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:45,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 22:33:45,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 22:33:45,770 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-24 22:33:45,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:45,811 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2023-12-24 22:33:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 22:33:45,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2023-12-24 22:33:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:45,814 INFO L225 Difference]: With dead ends: 91 [2023-12-24 22:33:45,814 INFO L226 Difference]: Without dead ends: 59 [2023-12-24 22:33:45,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 22:33:45,815 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 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 [2023-12-24 22:33:45,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 22:33:45,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-24 22:33:45,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-24 22:33:45,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 35 states have internal predecessors, (35), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-24 22:33:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2023-12-24 22:33:45,832 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 46 [2023-12-24 22:33:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:45,833 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2023-12-24 22:33:45,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-24 22:33:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-12-24 22:33:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-24 22:33:45,836 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:45,837 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:45,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-24 22:33:46,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:46,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 22:33:46,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:46,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1294632752, now seen corresponding path program 1 times [2023-12-24 22:33:46,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:46,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253485547] [2023-12-24 22:33:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:46,046 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:46,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:46,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:46,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-24 22:33:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:46,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-24 22:33:46,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-24 22:33:46,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:33:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-24 22:33:46,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:46,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253485547] [2023-12-24 22:33:46,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253485547] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:33:46,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:33:46,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 17 [2023-12-24 22:33:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793934665] [2023-12-24 22:33:46,930 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:33:46,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-24 22:33:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:46,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-24 22:33:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2023-12-24 22:33:46,931 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 17 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 6 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-12-24 22:33:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:47,634 INFO L93 Difference]: Finished difference Result 66 states and 92 transitions. [2023-12-24 22:33:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:33:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 6 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 47 [2023-12-24 22:33:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:47,635 INFO L225 Difference]: With dead ends: 66 [2023-12-24 22:33:47,635 INFO L226 Difference]: Without dead ends: 62 [2023-12-24 22:33:47,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2023-12-24 22:33:47,637 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 39 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:47,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 209 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:33:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-24 22:33:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2023-12-24 22:33:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 37 states have internal predecessors, (37), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-24 22:33:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 85 transitions. [2023-12-24 22:33:47,654 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 85 transitions. Word has length 47 [2023-12-24 22:33:47,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:47,655 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 85 transitions. [2023-12-24 22:33:47,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 6 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-12-24 22:33:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-12-24 22:33:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-24 22:33:47,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:47,656 INFO L195 NwaCegarLoop]: trace histogram [13, 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] [2023-12-24 22:33:47,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-24 22:33:47,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:47,857 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 22:33:47,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 939016302, now seen corresponding path program 1 times [2023-12-24 22:33:47,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:47,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42676646] [2023-12-24 22:33:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:47,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:47,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:47,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:47,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-24 22:33:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:47,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:33:47,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-24 22:33:48,085 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:48,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:48,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42676646] [2023-12-24 22:33:48,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42676646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:48,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:48,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:33:48,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131553029] [2023-12-24 22:33:48,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:48,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:33:48,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:48,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:33:48,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:33:48,087 INFO L87 Difference]: Start difference. First operand 61 states and 85 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-24 22:33:48,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:48,252 INFO L93 Difference]: Finished difference Result 84 states and 117 transitions. [2023-12-24 22:33:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:33:48,252 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 82 [2023-12-24 22:33:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:48,253 INFO L225 Difference]: With dead ends: 84 [2023-12-24 22:33:48,253 INFO L226 Difference]: Without dead ends: 82 [2023-12-24 22:33:48,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:33:48,254 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 19 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:48,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 322 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:33:48,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-12-24 22:33:48,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 73. [2023-12-24 22:33:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 40 states have (on average 1.125) internal successors, (45), 45 states have internal predecessors, (45), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-24 22:33:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2023-12-24 22:33:48,275 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 82 [2023-12-24 22:33:48,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:48,276 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2023-12-24 22:33:48,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-24 22:33:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-12-24 22:33:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-24 22:33:48,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:48,282 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:48,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-24 22:33:48,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:48,485 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 22:33:48,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:48,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1183022513, now seen corresponding path program 1 times [2023-12-24 22:33:48,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:48,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263420343] [2023-12-24 22:33:48,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:48,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:48,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:48,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:48,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-24 22:33:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:48,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:33:48,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 71 proven. 22 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-24 22:33:48,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:33:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 77 proven. 16 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-24 22:33:49,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:49,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263420343] [2023-12-24 22:33:49,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263420343] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:33:49,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:33:49,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 18 [2023-12-24 22:33:49,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723471803] [2023-12-24 22:33:49,094 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:33:49,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-24 22:33:49,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:49,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-24 22:33:49,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:33:49,097 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 18 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 17 states have internal predecessors, (55), 10 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) [2023-12-24 22:33:49,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:49,566 INFO L93 Difference]: Finished difference Result 104 states and 143 transitions. [2023-12-24 22:33:49,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 22:33:49,567 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 17 states have internal predecessors, (55), 10 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) Word has length 116 [2023-12-24 22:33:49,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:49,568 INFO L225 Difference]: With dead ends: 104 [2023-12-24 22:33:49,568 INFO L226 Difference]: Without dead ends: 102 [2023-12-24 22:33:49,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2023-12-24 22:33:49,569 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 48 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:49,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 460 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:33:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-24 22:33:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2023-12-24 22:33:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 47 states have (on average 1.127659574468085) internal successors, (53), 53 states have internal predecessors, (53), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-24 22:33:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2023-12-24 22:33:49,594 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 116 [2023-12-24 22:33:49,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:49,594 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2023-12-24 22:33:49,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 17 states have internal predecessors, (55), 10 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) [2023-12-24 22:33:49,595 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2023-12-24 22:33:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-24 22:33:49,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:49,596 INFO L195 NwaCegarLoop]: trace histogram [26, 25, 25, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:49,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-24 22:33:49,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:49,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 22:33:49,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:49,799 INFO L85 PathProgramCache]: Analyzing trace with hash 144027372, now seen corresponding path program 2 times [2023-12-24 22:33:49,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:49,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928718198] [2023-12-24 22:33:49,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:33:49,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:49,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:49,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:49,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-24 22:33:49,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 22:33:49,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:33:49,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:33:49,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 50 proven. 24 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-24 22:33:49,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:33:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 50 proven. 24 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-24 22:33:50,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:50,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928718198] [2023-12-24 22:33:50,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928718198] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:33:50,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:33:50,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-24 22:33:50,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727242826] [2023-12-24 22:33:50,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:33:50,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:33:50,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:50,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:33:50,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:33:50,104 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand has 14 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 9 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2023-12-24 22:33:50,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:50,376 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2023-12-24 22:33:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:33:50,376 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 9 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) Word has length 155 [2023-12-24 22:33:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:50,377 INFO L225 Difference]: With dead ends: 139 [2023-12-24 22:33:50,377 INFO L226 Difference]: Without dead ends: 0 [2023-12-24 22:33:50,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:33:50,379 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 47 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:50,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 738 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:33:50,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-24 22:33:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-24 22:33:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-24 22:33:50,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2023-12-24 22:33:50,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:50,380 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-24 22:33:50,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 9 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2023-12-24 22:33:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-24 22:33:50,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-24 22:33:50,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 22:33:50,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-24 22:33:50,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:50,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-24 22:33:52,625 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 80) no Hoare annotation was computed. [2023-12-24 22:33:52,625 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 24 83) no Hoare annotation was computed. [2023-12-24 22:33:52,625 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2023-12-24 22:33:52,625 INFO L899 garLoopResultBuilder]: For program point L36(lines 25 83) no Hoare annotation was computed. [2023-12-24 22:33:52,625 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 69 75) no Hoare annotation was computed. [2023-12-24 22:33:52,625 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 79) no Hoare annotation was computed. [2023-12-24 22:33:52,626 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32))) (.cse1 (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32))) (.cse2 (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32))) (.cse3 (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) .cse3 (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) (and .cse0 .cse1 .cse2 (not (= (_ bv0 32) |ULTIMATE.start_main_~cp~0#1|)) .cse3 (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)))) [2023-12-24 22:33:52,626 INFO L895 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,626 INFO L895 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,626 INFO L899 garLoopResultBuilder]: For program point L37(lines 25 83) no Hoare annotation was computed. [2023-12-24 22:33:52,626 INFO L899 garLoopResultBuilder]: For program point L54(lines 44 80) no Hoare annotation was computed. [2023-12-24 22:33:52,626 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-24 22:33:52,626 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,626 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,627 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (and (= |ULTIMATE.start_main_~c~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,627 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (and (= |ULTIMATE.start_main_~c~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,627 INFO L895 garLoopResultBuilder]: At program point L47-1(lines 47 52) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,627 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 52) the Hoare annotation is: (let ((.cse0 (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32))) (.cse1 (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32))) (.cse2 (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32))) (.cse3 (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) .cse3 (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) (and .cse0 .cse1 .cse2 (not (= (_ bv0 32) |ULTIMATE.start_main_~cp~0#1|)) .cse3 (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)))) [2023-12-24 22:33:52,627 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,627 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,628 INFO L895 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,628 INFO L899 garLoopResultBuilder]: For program point L81(lines 25 83) no Hoare annotation was computed. [2023-12-24 22:33:52,628 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-12-24 22:33:52,628 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,628 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-12-24 22:33:52,628 INFO L895 garLoopResultBuilder]: At program point L65-1(lines 65 77) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,628 INFO L899 garLoopResultBuilder]: For program point L57(lines 44 80) no Hoare annotation was computed. [2023-12-24 22:33:52,628 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,628 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,628 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-12-24 22:33:52,628 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L895 garLoopResultBuilder]: At program point L42(line 42) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,629 INFO L895 garLoopResultBuilder]: At program point L42-1(line 42) the Hoare annotation is: (and (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~tokenlen~0#1| (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,629 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvslt (bvadd |ULTIMATE.start_main_~c~0#1| (_ bv1 32)) |ULTIMATE.start_main_~tokenlen~0#1|) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L895 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (and (bvslt |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (bvsle |ULTIMATE.start_main_~urilen~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) |ULTIMATE.start_main_~c~0#1|) (bvsgt |ULTIMATE.start_main_~urilen~0#1| (_ bv0 32)) (bvsle |ULTIMATE.start_main_~scheme~0#1| (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~cp~0#1|)) (bvslt (bvadd |ULTIMATE.start_main_~c~0#1| (_ bv1 32)) |ULTIMATE.start_main_~tokenlen~0#1|) (bvsge |ULTIMATE.start_main_~scheme~0#1| (_ bv0 32)) (bvsge |ULTIMATE.start_main_~cp~0#1| (_ bv0 32)) (not (= (bvadd (_ bv1 32) |ULTIMATE.start_main_~cp~0#1|) |ULTIMATE.start_main_~urilen~0#1|)) (not (bvslt (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~urilen~0#1|) |ULTIMATE.start_main_~cp~0#1|)) (bvsle |ULTIMATE.start_main_~tokenlen~0#1| (_ bv1000000 32))) [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2023-12-24 22:33:52,629 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 17 22) no Hoare annotation was computed. [2023-12-24 22:33:52,630 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2023-12-24 22:33:52,630 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 17 22) the Hoare annotation is: true [2023-12-24 22:33:52,630 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-24 22:33:52,630 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-24 22:33:52,630 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2023-12-24 22:33:52,632 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-12-24 22:33:52,633 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 22:33:52,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 10:33:52 BoogieIcfgContainer [2023-12-24 22:33:52,643 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 22:33:52,643 INFO L158 Benchmark]: Toolchain (without parser) took 8773.37ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 168.4MB in the beginning and 200.4MB in the end (delta: -32.0MB). Peak memory consumption was 136.6MB. Max. memory is 8.0GB. [2023-12-24 22:33:52,643 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 220.2MB. Free memory is still 171.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 22:33:52,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.01ms. Allocated memory is still 220.2MB. Free memory was 168.4MB in the beginning and 156.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-24 22:33:52,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.25ms. Allocated memory is still 220.2MB. Free memory was 156.3MB in the beginning and 154.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 22:33:52,644 INFO L158 Benchmark]: Boogie Preprocessor took 33.91ms. Allocated memory is still 220.2MB. Free memory was 154.7MB in the beginning and 152.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 22:33:52,644 INFO L158 Benchmark]: RCFGBuilder took 341.47ms. Allocated memory is still 220.2MB. Free memory was 152.6MB in the beginning and 138.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-24 22:33:52,644 INFO L158 Benchmark]: TraceAbstraction took 8175.09ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 137.4MB in the beginning and 200.4MB in the end (delta: -63.0MB). Peak memory consumption was 106.2MB. Max. memory is 8.0GB. [2023-12-24 22:33:52,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 220.2MB. Free memory is still 171.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 194.01ms. Allocated memory is still 220.2MB. Free memory was 168.4MB in the beginning and 156.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.25ms. Allocated memory is still 220.2MB. Free memory was 156.3MB in the beginning and 154.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.91ms. Allocated memory is still 220.2MB. Free memory was 154.7MB in the beginning and 152.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 341.47ms. Allocated memory is still 220.2MB. Free memory was 152.6MB in the beginning and 138.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8175.09ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 137.4MB in the beginning and 200.4MB in the end (delta: -63.0MB). Peak memory consumption was 106.2MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 6, TraceHistogramMax: 26, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 2078 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1716 mSDsCounter, 218 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1269 IncrementalHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 218 mSolverCounterUnsat, 362 mSDtfsCounter, 1269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 790 GetRequests, 712 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=5, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 113 PreInvPairs, 186 NumberOfFragments, 816 HoareAnnotationTreeSize, 113 FormulaSimplifications, 7493 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 21 FormulaSimplificationsInter, 6660 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 2017 SizeOfPredicates, 11 NumberOfNonLiveVariables, 709 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 4234/4360 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((urilen <= 1000000) && (urilen > 0)) && (scheme <= 1000000)) && (0 <= ((-1 + cp) % 4294967296))) && (scheme >= 0)) && (cp >= 0)) && (tokenlen > 0)) && !((((-1 + urilen) % 4294967296) < cp))) && (tokenlen <= 1000000)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((((((c < tokenlen) && (urilen <= 1000000)) && (0 <= c)) && (urilen > 0)) && (scheme <= 1000000)) && (0 <= ((-1 + cp) % 4294967296))) && (scheme >= 0)) && (cp >= 0)) && !((((-1 + urilen) % 4294967296) < cp))) && (tokenlen <= 1000000)) RESULT: Ultimate proved your program to be correct! [2023-12-24 22:33:52,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...