/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/xcsp/Dubois-030.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 12:13:31,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 12:13:31,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 12:13:31,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 12:13:31,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 12:13:31,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 12:13:31,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 12:13:31,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 12:13:31,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 12:13:31,898 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 12:13:31,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 12:13:31,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 12:13:31,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 12:13:31,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 12:13:31,901 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 12:13:31,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 12:13:31,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 12:13:31,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 12:13:31,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 12:13:31,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 12:13:31,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 12:13:31,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 12:13:31,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 12:13:31,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 12:13:31,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 12:13:31,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 12:13:31,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 12:13:31,905 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 12:13:31,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 12:13:31,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 12:13:31,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 12:13:31,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 12:13:31,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 12:13:31,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 12:13:31,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 12:13:31,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 12:13:31,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 12:13:31,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 12:13:31,926 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 12:13:31,926 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 12:13:31,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 12:13:31,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 12:13:31,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 12:13:31,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 12:13:31,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 12:13:31,927 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 12:13:31,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 12:13:32,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 12:13:32,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 12:13:32,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 12:13:32,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 12:13:32,400 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 12:13:32,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Dubois-030.c [2023-12-25 12:13:34,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 12:13:34,681 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 12:13:34,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-030.c [2023-12-25 12:13:34,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617b2d518/e6a66b969cdf4b1a9912b7bc2254e26a/FLAG00694976f [2023-12-25 12:13:34,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617b2d518/e6a66b969cdf4b1a9912b7bc2254e26a [2023-12-25 12:13:34,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 12:13:34,733 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 12:13:34,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 12:13:34,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 12:13:34,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 12:13:34,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 12:13:34" (1/1) ... [2023-12-25 12:13:34,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5e3a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:34, skipping insertion in model container [2023-12-25 12:13:34,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 12:13:34" (1/1) ... [2023-12-25 12:13:34,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 12:13:35,341 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-030.c[21240,21253] [2023-12-25 12:13:35,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 12:13:35,369 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 12:13:35,470 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-030.c[21240,21253] [2023-12-25 12:13:35,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 12:13:35,519 INFO L206 MainTranslator]: Completed translation [2023-12-25 12:13:35,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35 WrapperNode [2023-12-25 12:13:35,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 12:13:35,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 12:13:35,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 12:13:35,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 12:13:35,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,684 INFO L138 Inliner]: procedures = 13, calls = 247, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 616 [2023-12-25 12:13:35,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 12:13:35,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 12:13:35,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 12:13:35,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 12:13:35,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,742 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]. [2023-12-25 12:13:35,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 12:13:35,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 12:13:35,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 12:13:35,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 12:13:35,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (1/1) ... [2023-12-25 12:13:35,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 12:13:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 12:13:35,909 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) [2023-12-25 12:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 12:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 12:13:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 12:13:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 12:13:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-25 12:13:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-25 12:13:35,948 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 [2023-12-25 12:13:36,139 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 12:13:36,143 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 12:13:37,179 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 12:13:37,265 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 12:13:37,265 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 12:13:37,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 12:13:37 BoogieIcfgContainer [2023-12-25 12:13:37,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 12:13:37,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 12:13:37,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 12:13:37,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 12:13:37,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 12:13:34" (1/3) ... [2023-12-25 12:13:37,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2938d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 12:13:37, skipping insertion in model container [2023-12-25 12:13:37,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:13:35" (2/3) ... [2023-12-25 12:13:37,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2938d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 12:13:37, skipping insertion in model container [2023-12-25 12:13:37,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 12:13:37" (3/3) ... [2023-12-25 12:13:37,276 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-030.c [2023-12-25 12:13:37,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 12:13:37,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 12:13:37,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 12:13:37,453 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;@78133517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 12:13:37,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 12:13:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 95 states have (on average 1.0210526315789474) internal successors, (97), 96 states have internal predecessors, (97), 240 states have call successors, (240), 1 states have call predecessors, (240), 1 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2023-12-25 12:13:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2023-12-25 12:13:37,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 12:13:37,670 INFO L195 NwaCegarLoop]: trace histogram [240, 240, 240, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 12:13:37,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 12:13:37,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 12:13:37,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1651437485, now seen corresponding path program 1 times [2023-12-25 12:13:37,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 12:13:37,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052095513] [2023-12-25 12:13:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 12:13:37,725 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 [2023-12-25 12:13:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 12:13:37,732 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) [2023-12-25 12:13:37,785 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 [2023-12-25 12:13:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 12:13:38,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 1784 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 12:13:38,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 12:13:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 114720 backedges. 41470 proven. 0 refuted. 0 times theorem prover too weak. 73250 trivial. 0 not checked. [2023-12-25 12:13:39,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 12:13:39,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 12:13:39,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052095513] [2023-12-25 12:13:39,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052095513] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 12:13:39,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 12:13:39,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 12:13:39,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262744227] [2023-12-25 12:13:39,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 12:13:39,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 12:13:39,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 12:13:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 12:13:39,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 12:13:39,352 INFO L87 Difference]: Start difference. First operand has 338 states, 95 states have (on average 1.0210526315789474) internal successors, (97), 96 states have internal predecessors, (97), 240 states have call successors, (240), 1 states have call predecessors, (240), 1 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) Second operand has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (240), 2 states have call predecessors, (240), 2 states have return successors, (240), 2 states have call predecessors, (240), 2 states have call successors, (240) [2023-12-25 12:13:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 12:13:39,543 INFO L93 Difference]: Finished difference Result 673 states and 1391 transitions. [2023-12-25 12:13:39,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 12:13:39,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (240), 2 states have call predecessors, (240), 2 states have return successors, (240), 2 states have call predecessors, (240), 2 states have call successors, (240) Word has length 1292 [2023-12-25 12:13:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 12:13:39,569 INFO L225 Difference]: With dead ends: 673 [2023-12-25 12:13:39,569 INFO L226 Difference]: Without dead ends: 337 [2023-12-25 12:13:39,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1291 GetRequests, 1291 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 12:13:39,597 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 12:13:39,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 12:13:39,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-12-25 12:13:39,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2023-12-25 12:13:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 95 states have (on average 1.0) internal successors, (95), 95 states have internal predecessors, (95), 240 states have call successors, (240), 1 states have call predecessors, (240), 1 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2023-12-25 12:13:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 575 transitions. [2023-12-25 12:13:39,884 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 575 transitions. Word has length 1292 [2023-12-25 12:13:39,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 12:13:39,886 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 575 transitions. [2023-12-25 12:13:39,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (240), 2 states have call predecessors, (240), 2 states have return successors, (240), 2 states have call predecessors, (240), 2 states have call successors, (240) [2023-12-25 12:13:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 575 transitions. [2023-12-25 12:13:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2023-12-25 12:13:39,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 12:13:39,979 INFO L195 NwaCegarLoop]: trace histogram [240, 240, 240, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 12:13:40,010 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 [2023-12-25 12:13:40,205 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 [2023-12-25 12:13:40,206 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 12:13:40,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 12:13:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1622056237, now seen corresponding path program 1 times [2023-12-25 12:13:40,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 12:13:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835995774] [2023-12-25 12:13:40,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 12:13:40,210 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 [2023-12-25 12:13:40,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 12:13:40,244 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) [2023-12-25 12:13:40,269 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 [2023-12-25 12:17:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 12:17:41,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 1784 conjuncts, 474 conjunts are in the unsatisfiable core [2023-12-25 12:17:41,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 12:24:23,041 WARN L293 SmtUtils]: Spent 9.70s on a formula simplification. DAG size of input: 273 DAG size of output: 272 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-25 12:27:55,849 WARN L293 SmtUtils]: Spent 12.74s on a formula simplification. DAG size of input: 279 DAG size of output: 277 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-25 12:28:14,963 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 12:28:14,993 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 [2023-12-25 12:28:14,993 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 [2023-12-25 12:28:15,175 WARN L435 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)] Forcibly destroying the process [2023-12-25 12:28:15,258 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 137 [2023-12-25 12:28:15,258 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 [2023-12-25 12:28:15,258 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 1293 with TraceHistMax 240,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-3-3-2-2-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-27-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-1 context. [2023-12-25 12:28:15,272 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-25 12:28:15,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 12:28:15,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 12:28:15 BoogieIcfgContainer [2023-12-25 12:28:15,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 12:28:15,314 INFO L158 Benchmark]: Toolchain (without parser) took 880577.49ms. Allocated memory was 246.4MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 192.2MB in the beginning and 511.7MB in the end (delta: -319.5MB). Peak memory consumption was 651.6MB. Max. memory is 8.0GB. [2023-12-25 12:28:15,315 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 170.9MB. Free memory was 125.2MB in the beginning and 125.1MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 12:28:15,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.21ms. Allocated memory is still 246.4MB. Free memory was 192.2MB in the beginning and 160.4MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-25 12:28:15,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.64ms. Allocated memory is still 246.4MB. Free memory was 160.4MB in the beginning and 212.0MB in the end (delta: -51.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-25 12:28:15,320 INFO L158 Benchmark]: Boogie Preprocessor took 148.55ms. Allocated memory is still 246.4MB. Free memory was 211.5MB in the beginning and 206.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-25 12:28:15,320 INFO L158 Benchmark]: RCFGBuilder took 1431.30ms. Allocated memory is still 246.4MB. Free memory was 205.7MB in the beginning and 139.6MB in the end (delta: 66.1MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2023-12-25 12:28:15,323 INFO L158 Benchmark]: TraceAbstraction took 878040.90ms. Allocated memory was 246.4MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 138.6MB in the beginning and 511.7MB in the end (delta: -373.2MB). Peak memory consumption was 597.1MB. Max. memory is 8.0GB. [2023-12-25 12:28:15,326 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 170.9MB. Free memory was 125.2MB in the beginning and 125.1MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 786.21ms. Allocated memory is still 246.4MB. Free memory was 192.2MB in the beginning and 160.4MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 162.64ms. Allocated memory is still 246.4MB. Free memory was 160.4MB in the beginning and 212.0MB in the end (delta: -51.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 148.55ms. Allocated memory is still 246.4MB. Free memory was 211.5MB in the beginning and 206.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1431.30ms. Allocated memory is still 246.4MB. Free memory was 205.7MB in the beginning and 139.6MB in the end (delta: 66.1MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * TraceAbstraction took 878040.90ms. Allocated memory was 246.4MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 138.6MB in the beginning and 511.7MB in the end (delta: -373.2MB). Peak memory consumption was 597.1MB. 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: 626]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 626). Cancelled while NwaCegarLoop was analyzing trace of length 1293 with TraceHistMax 240,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-3-3-2-2-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-27-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 338 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 877.9s, OverallIterations: 2, TraceHistogramMax: 240, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 574 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 574 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1291 GetRequests, 1291 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred 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: 0.3s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1292 NumberOfCodeBlocks, 1292 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 1291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1784 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 114720/114720 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