/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/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 01:07:51,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 01:07:51,235 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 01:07:51,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 01:07:51,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 01:07:51,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 01:07:51,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 01:07:51,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 01:07:51,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 01:07:51,272 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 01:07:51,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 01:07:51,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 01:07:51,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 01:07:51,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 01:07:51,277 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 01:07:51,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 01:07:51,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 01:07:51,278 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 01:07:51,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 01:07:51,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 01:07:51,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 01:07:51,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 01:07:51,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 01:07:51,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 01:07:51,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 01:07:51,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 01:07:51,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 01:07:51,281 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 01:07:51,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 01:07:51,282 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 01:07:51,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 01:07:51,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 01:07:51,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 01:07:51,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 01:07:51,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 01:07:51,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 01:07:51,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 01:07:51,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 01:07:51,284 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 01:07:51,284 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 01:07:51,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 01:07:51,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 01:07:51,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 01:07:51,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 01:07:51,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 01:07:51,285 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 01:07:51,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 01:07:51,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 01:07:51,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 01:07:51,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 01:07:51,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 01:07:51,562 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 01:07:51,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-95.i [2023-12-24 01:07:52,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 01:07:53,033 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 01:07:53,034 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-95.i [2023-12-24 01:07:53,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513aaa5d8/06dc67d982284b93b6d3b766e60a0be3/FLAG61ca3f236 [2023-12-24 01:07:53,055 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513aaa5d8/06dc67d982284b93b6d3b766e60a0be3 [2023-12-24 01:07:53,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 01:07:53,059 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 01:07:53,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 01:07:53,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 01:07:53,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 01:07:53,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d08be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53, skipping insertion in model container [2023-12-24 01:07:53,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 01:07:53,273 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-95.i[915,928] [2023-12-24 01:07:53,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 01:07:53,354 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 01:07:53,369 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-95.i[915,928] [2023-12-24 01:07:53,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 01:07:53,426 INFO L206 MainTranslator]: Completed translation [2023-12-24 01:07:53,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53 WrapperNode [2023-12-24 01:07:53,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 01:07:53,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 01:07:53,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 01:07:53,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 01:07:53,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,488 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2023-12-24 01:07:53,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 01:07:53,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 01:07:53,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 01:07:53,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 01:07:53,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,519 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,543 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 01:07:53,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 01:07:53,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 01:07:53,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 01:07:53,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 01:07:53,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (1/1) ... [2023-12-24 01:07:53,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 01:07:53,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 01:07:53,622 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 01:07:53,628 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 01:07:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 01:07:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 01:07:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 01:07:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 01:07:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 01:07:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 01:07:53,736 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 01:07:53,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 01:08:07,623 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 01:08:07,665 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 01:08:07,665 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 01:08:07,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 01:08:07 BoogieIcfgContainer [2023-12-24 01:08:07,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 01:08:07,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 01:08:07,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 01:08:07,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 01:08:07,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 01:07:53" (1/3) ... [2023-12-24 01:08:07,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d445d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 01:08:07, skipping insertion in model container [2023-12-24 01:08:07,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 01:07:53" (2/3) ... [2023-12-24 01:08:07,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d445d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 01:08:07, skipping insertion in model container [2023-12-24 01:08:07,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 01:08:07" (3/3) ... [2023-12-24 01:08:07,673 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-95.i [2023-12-24 01:08:07,688 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 01:08:07,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 01:08:07,725 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 01:08:07,731 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;@5e348ccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 01:08:07,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 01:08:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-24 01:08:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-24 01:08:07,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 01:08:07,744 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:07,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 01:08:07,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 01:08:07,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1199990831, now seen corresponding path program 1 times [2023-12-24 01:08:07,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 01:08:07,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51987183] [2023-12-24 01:08:07,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 01:08:07,761 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 01:08:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 01:08:07,764 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 01:08:07,802 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 01:08:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 01:08:08,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 01:08:08,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 01:08:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-12-24 01:08:08,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 01:08:08,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 01:08:08,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51987183] [2023-12-24 01:08:08,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51987183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 01:08:08,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 01:08:08,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 01:08:08,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499867770] [2023-12-24 01:08:08,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 01:08:08,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 01:08:08,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 01:08:08,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 01:08:08,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 01:08:08,797 INFO L87 Difference]: Start difference. First operand has 38 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-24 01:08:13,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 01:08:13,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 01:08:13,822 INFO L93 Difference]: Finished difference Result 75 states and 126 transitions. [2023-12-24 01:08:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 01:08:13,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 79 [2023-12-24 01:08:13,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 01:08:13,831 INFO L225 Difference]: With dead ends: 75 [2023-12-24 01:08:13,831 INFO L226 Difference]: Without dead ends: 36 [2023-12-24 01:08:13,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 01:08:13,836 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-24 01:08:13,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-12-24 01:08:13,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-12-24 01:08:13,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-12-24 01:08:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-24 01:08:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 52 transitions. [2023-12-24 01:08:13,869 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 52 transitions. Word has length 79 [2023-12-24 01:08:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 01:08:13,869 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 52 transitions. [2023-12-24 01:08:13,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-24 01:08:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2023-12-24 01:08:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-24 01:08:13,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 01:08:13,873 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:13,904 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 (2)] Forceful destruction successful, exit code 0 [2023-12-24 01:08:14,092 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 01:08:14,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 01:08:14,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 01:08:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash -577145833, now seen corresponding path program 1 times [2023-12-24 01:08:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 01:08:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990155876] [2023-12-24 01:08:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 01:08:14,095 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 01:08:14,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 01:08:14,097 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 01:08:14,099 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 01:08:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 01:08:15,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-24 01:08:15,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 01:08:57,525 WARN L293 SmtUtils]: Spent 11.91s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 01:09:07,323 WARN L293 SmtUtils]: Spent 9.78s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:09:17,031 WARN L293 SmtUtils]: Spent 9.71s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:09:26,733 WARN L293 SmtUtils]: Spent 9.70s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:09:35,311 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:09:45,099 WARN L293 SmtUtils]: Spent 9.79s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:09:53,667 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:10:03,484 WARN L293 SmtUtils]: Spent 9.82s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:10:13,311 WARN L293 SmtUtils]: Spent 9.83s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:10:23,141 WARN L293 SmtUtils]: Spent 9.83s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:10:32,964 WARN L293 SmtUtils]: Spent 9.82s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:10:42,777 WARN L293 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:10:52,631 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:02,456 WARN L293 SmtUtils]: Spent 9.82s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:12,248 WARN L293 SmtUtils]: Spent 9.79s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:22,098 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:31,911 WARN L293 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:41,832 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:51,641 WARN L293 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 01:11:56,137 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_14~0) ((_ zero_extend 24) c_~var_1_15~0) ((_ zero_extend 24) c_~var_1_13~0)))) (fp.leq c_~var_1_8~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_1~0 ((_ zero_extend 24) c_~var_1_12~0)) (= c_~var_1_16~0 ((_ zero_extend 8) c_~var_1_13~0)) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_10~0 (fp.neg .cse0)) (fp.geq c_~var_1_10~0 (fp.neg .cse1))) (and (fp.leq c_~var_1_10~0 .cse1) (fp.geq c_~var_1_10~0 .cse0)))) (or (not .cse2) (not (fp.leq (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_5~0) c_~var_1_11~0))) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse3 (fp.lt c_~var_1_10~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and .cse3 (= c_~var_1_11~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.neg c_~var_1_10~0) c_~var_1_8~0)))) (and (not .cse3) (= c_~var_1_11~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_8~0)))))) (or .cse2 (not (fp.leq (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_6~0) c_~var_1_11~0))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-24 01:12:00,661 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_14~0) ((_ zero_extend 24) c_~var_1_15~0) ((_ zero_extend 24) c_~var_1_13~0)))) (fp.leq c_~var_1_8~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_1~0 ((_ zero_extend 24) c_~var_1_12~0)) (= c_~var_1_16~0 ((_ zero_extend 8) c_~var_1_13~0)) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_10~0 (fp.neg .cse0)) (fp.geq c_~var_1_10~0 (fp.neg .cse1))) (and (fp.leq c_~var_1_10~0 .cse1) (fp.geq c_~var_1_10~0 .cse0)))) (or (not .cse2) (not (fp.leq (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_5~0) c_~var_1_11~0))) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse3 (fp.lt c_~var_1_10~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and .cse3 (= c_~var_1_11~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.neg c_~var_1_10~0) c_~var_1_8~0)))) (and (not .cse3) (= c_~var_1_11~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_8~0)))))) (or .cse2 (not (fp.leq (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_6~0) c_~var_1_11~0))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true Received shutdown request... [2023-12-24 01:21:57,407 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 01:21:57,410 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 01:21:58,480 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 (3)] Forceful destruction successful, exit code 0 [2023-12-24 01:21:58,620 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 01:21:58,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-24 01:21:59,728 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 01:21:59,729 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 80 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-14-2-2-2-2-2-2-2-2-2-2-2-5-4-2-2-5-4-2-2-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-46-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-2-2-2-2-2-2-2-2-2-1 context. [2023-12-24 01:21:59,734 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-24 01:21:59,736 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 01:21:59,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 01:21:59 BoogieIcfgContainer [2023-12-24 01:21:59,739 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 01:21:59,739 INFO L158 Benchmark]: Toolchain (without parser) took 846680.52ms. Allocated memory was 197.1MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 131.7MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 5.7GB. Max. memory is 8.0GB. [2023-12-24 01:21:59,740 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 197.1MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 01:21:59,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.14ms. Allocated memory is still 197.1MB. Free memory was 131.7MB in the beginning and 118.5MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-24 01:21:59,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.25ms. Allocated memory is still 197.1MB. Free memory was 118.2MB in the beginning and 116.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 01:21:59,741 INFO L158 Benchmark]: Boogie Preprocessor took 84.95ms. Allocated memory is still 197.1MB. Free memory was 116.2MB in the beginning and 113.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 01:21:59,742 INFO L158 Benchmark]: RCFGBuilder took 14090.88ms. Allocated memory was 197.1MB in the beginning and 266.3MB in the end (delta: 69.2MB). Free memory was 113.7MB in the beginning and 221.7MB in the end (delta: -108.1MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2023-12-24 01:21:59,742 INFO L158 Benchmark]: TraceAbstraction took 832071.44ms. Allocated memory was 266.3MB in the beginning and 7.7GB in the end (delta: 7.4GB). Free memory was 221.2MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 5.8GB. Max. memory is 8.0GB. [2023-12-24 01:21:59,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 197.1MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 365.14ms. Allocated memory is still 197.1MB. Free memory was 131.7MB in the beginning and 118.5MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.25ms. Allocated memory is still 197.1MB. Free memory was 118.2MB in the beginning and 116.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.95ms. Allocated memory is still 197.1MB. Free memory was 116.2MB in the beginning and 113.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 14090.88ms. Allocated memory was 197.1MB in the beginning and 266.3MB in the end (delta: 69.2MB). Free memory was 113.7MB in the beginning and 221.7MB in the end (delta: -108.1MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * TraceAbstraction took 832071.44ms. Allocated memory was 266.3MB in the beginning and 7.7GB in the end (delta: 7.4GB). Free memory was 221.2MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 5.8GB. 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 80 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-14-2-2-2-2-2-2-2-2-2-2-2-5-4-2-2-5-4-2-2-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-46-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 832.0s, OverallIterations: 2, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 49 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 312/312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown