/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:51:35,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:51:35,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:51:35,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:51:35,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:51:35,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:51:35,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:51:35,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:51:35,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:51:35,769 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:51:35,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:51:35,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:51:35,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:51:35,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:51:35,771 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:51:35,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:51:35,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:51:35,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:51:35,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:51:35,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:51:35,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:51:35,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:51:35,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:51:35,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:51:35,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:51:35,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:51:35,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:51:35,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:51:35,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:51:35,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:51:35,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:51:35,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:51:35,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:51:35,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:51:35,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:51:35,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:51:35,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:51:35,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:51:35,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:51:35,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:51:35,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:51:35,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:51:35,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:51:35,787 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:51:36,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:51:36,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:51:36,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:51:36,037 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:51:36,037 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:51:36,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_vardep_1.c [2023-12-16 05:51:37,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:51:37,431 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:51:37,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_vardep_1.c [2023-12-16 05:51:37,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d04078cb/3497726d4c0349d6bdca85f784feffb7/FLAG178b1f7ce [2023-12-16 05:51:37,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d04078cb/3497726d4c0349d6bdca85f784feffb7 [2023-12-16 05:51:37,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:51:37,462 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:51:37,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:51:37,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:51:37,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:51:37,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b5533c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37, skipping insertion in model container [2023-12-16 05:51:37,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:51:37,623 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_vardep_1.c[1113,1126] [2023-12-16 05:51:37,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:51:37,650 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:51:37,658 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_vardep_1.c[1113,1126] [2023-12-16 05:51:37,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:51:37,681 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:51:37,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37 WrapperNode [2023-12-16 05:51:37,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:51:37,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:51:37,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:51:37,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:51:37,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,710 INFO L138 Inliner]: procedures = 14, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-12-16 05:51:37,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:51:37,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:51:37,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:51:37,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:51:37,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,734 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [2, 5, 4, 4]. 33 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [2, 1, 1, 1]. The 3 writes are split as follows [0, 1, 1, 1]. [2023-12-16 05:51:37,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:51:37,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:51:37,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:51:37,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:51:37,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (1/1) ... [2023-12-16 05:51:37,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:51:37,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:51:37,779 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) [2023-12-16 05:51:37,788 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 [2023-12-16 05:51:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:51:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-16 05:51:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:51:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:51:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 05:51:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 05:51:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-16 05:51:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-16 05:51:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_25_0 [2023-12-16 05:51:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_25_0 [2023-12-16 05:51:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-16 05:51:37,910 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:51:37,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:51:38,007 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:51:38,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:51:38,031 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 05:51:38,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:51:38 BoogieIcfgContainer [2023-12-16 05:51:38,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:51:38,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:51:38,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:51:38,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:51:38,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:51:37" (1/3) ... [2023-12-16 05:51:38,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759de9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:51:38, skipping insertion in model container [2023-12-16 05:51:38,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:51:37" (2/3) ... [2023-12-16 05:51:38,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759de9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:51:38, skipping insertion in model container [2023-12-16 05:51:38,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:51:38" (3/3) ... [2023-12-16 05:51:38,040 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_simple_vardep_1.c [2023-12-16 05:51:38,055 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:51:38,056 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:51:38,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:51:38,101 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;@ac4b04d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:51:38,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:51:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 05:51:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-16 05:51:38,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:51:38,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-16 05:51:38,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:51:38,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:51:38,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1829744450, now seen corresponding path program 1 times [2023-12-16 05:51:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:51:38,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066121331] [2023-12-16 05:51:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:51:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:51:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:51:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:51:39,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:51:39,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066121331] [2023-12-16 05:51:39,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066121331] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:51:39,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:51:39,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 05:51:39,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549436149] [2023-12-16 05:51:39,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:51:39,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 05:51:39,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:51:39,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 05:51:39,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 05:51:39,119 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:51:39,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:51:39,230 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2023-12-16 05:51:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 05:51:39,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-12-16 05:51:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:51:39,239 INFO L225 Difference]: With dead ends: 27 [2023-12-16 05:51:39,239 INFO L226 Difference]: Without dead ends: 12 [2023-12-16 05:51:39,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:51:39,250 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:51:39,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 37 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:51:39,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-16 05:51:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-12-16 05:51:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:51:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-16 05:51:39,275 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2023-12-16 05:51:39,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:51:39,276 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-12-16 05:51:39,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:51:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-16 05:51:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-16 05:51:39,277 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:51:39,277 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:51:39,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 05:51:39,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:51:39,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:51:39,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1989389024, now seen corresponding path program 1 times [2023-12-16 05:51:39,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:51:39,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061455415] [2023-12-16 05:51:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:51:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:51:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:51:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:51:40,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:51:40,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061455415] [2023-12-16 05:51:40,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061455415] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:51:40,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507702686] [2023-12-16 05:51:40,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:51:40,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:51:40,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:51:40,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:51:40,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:51:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:51:40,330 WARN L260 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 105 conjunts are in the unsatisfiable core [2023-12-16 05:51:40,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:51:40,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-16 05:51:40,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-16 05:51:40,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-16 05:51:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:51:40,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:51:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 05:51:41,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507702686] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:51:41,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:51:41,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 6] total 19 [2023-12-16 05:51:41,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075943112] [2023-12-16 05:51:41,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:51:41,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-16 05:51:41,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:51:41,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-16 05:51:41,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2023-12-16 05:51:41,095 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 20 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 14 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:51:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:51:41,349 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-12-16 05:51:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 05:51:41,350 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 14 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-12-16 05:51:41,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:51:41,351 INFO L225 Difference]: With dead ends: 16 [2023-12-16 05:51:41,351 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 05:51:41,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2023-12-16 05:51:41,354 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:51:41,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 12 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:51:41,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 05:51:41,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 05:51:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:51:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 05:51:41,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2023-12-16 05:51:41,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:51:41,357 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 05:51:41,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 14 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:51:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 05:51:41,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 05:51:41,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:51:41,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 05:51:41,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:51:41,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 05:51:41,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 05:51:41,790 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#k~0#1.offset| 0) (= (select (select |#memory_int#1| |ULTIMATE.start_main_~#k~0#1.base|) 0) 0) (= (select (select |#memory_int#3| |ULTIMATE.start_main_~#i~0#1.base|) 0) 0) (= |ULTIMATE.start_main_~#j~0#1.offset| 0) (= (select (select |#memory_int#2| |ULTIMATE.start_main_~#j~0#1.base|) 0) 0) (= |ULTIMATE.start_main_~#i~0#1.offset| 0)) [2023-12-16 05:51:41,791 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-12-16 05:51:41,792 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 05:51:41,792 INFO L899 garLoopResultBuilder]: For program point func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2023-12-16 05:51:41,792 INFO L899 garLoopResultBuilder]: For program point func_to_recursive_line_20_to_25_0EXIT(lines 37 52) no Hoare annotation was computed. [2023-12-16 05:51:41,793 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 28) no Hoare annotation was computed. [2023-12-16 05:51:41,793 INFO L899 garLoopResultBuilder]: For program point L22(lines 22 33) no Hoare annotation was computed. [2023-12-16 05:51:41,793 INFO L899 garLoopResultBuilder]: For program point L22-2(lines 20 35) no Hoare annotation was computed. [2023-12-16 05:51:41,793 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (let ((.cse3 (select |old(#memory_int#3)| |func_to_recursive_line_20_to_25_0_#in~i#1.base|)) (.cse2 (select |old(#memory_int#2)| |func_to_recursive_line_20_to_25_0_#in~j#1.base|)) (.cse4 (select (select |old(#memory_int#1)| |func_to_recursive_line_20_to_25_0_#in~k#1.base|) |func_to_recursive_line_20_to_25_0_#in~k#1.offset|)) (.cse1 (select |#memory_int#1| |func_to_recursive_line_20_to_25_0_~k#1.base|)) (.cse0 (select |#memory_int#3| |func_to_recursive_line_20_to_25_0_~i#1.base|))) (and (or (not (= |func_to_recursive_line_20_to_25_0_#in~j#1.offset| 0)) (not (= |func_to_recursive_line_20_to_25_0_#in~i#1.offset| 0)) (not (= |func_to_recursive_line_20_to_25_0_#in~k#1.offset| 0)) (and (= |func_to_recursive_line_20_to_25_0_~j#1.offset| 0) (= (select .cse0 0) 1) (= |func_to_recursive_line_20_to_25_0_~i#1.offset| 0) (= |func_to_recursive_line_20_to_25_0_~k#1.offset| 0) (= (select .cse1 0) 3)) (not (= (select .cse2 0) 0)) (not (= (select .cse3 0) 0)) (not (= .cse4 0))) (or (not (= (+ (select .cse3 |func_to_recursive_line_20_to_25_0_#in~i#1.offset|) (select .cse2 |func_to_recursive_line_20_to_25_0_#in~j#1.offset|)) .cse4)) (= (select .cse1 |func_to_recursive_line_20_to_25_0_~k#1.offset|) (+ (select .cse0 |func_to_recursive_line_20_to_25_0_~i#1.offset|) (select (select |#memory_int#2| |func_to_recursive_line_20_to_25_0_~j#1.base|) |func_to_recursive_line_20_to_25_0_~j#1.offset|)))))) [2023-12-16 05:51:41,794 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 37 52) the Hoare annotation is: (let ((.cse7 (select |old(#memory_int#1)| |func_to_recursive_line_20_to_25_0_#in~k#1.base|)) (.cse8 (select |old(#memory_int#3)| |func_to_recursive_line_20_to_25_0_#in~i#1.base|)) (.cse9 (select |old(#memory_int#2)| |func_to_recursive_line_20_to_25_0_#in~j#1.base|)) (.cse11 (select |#memory_int#3| |func_to_recursive_line_20_to_25_0_#in~i#1.base|)) (.cse12 (select |#memory_int#1| |func_to_recursive_line_20_to_25_0_#in~k#1.base|))) (let ((.cse2 (not (= |func_to_recursive_line_20_to_25_0_#in~j#1.offset| 0))) (.cse5 (not (= |func_to_recursive_line_20_to_25_0_#in~i#1.offset| 0))) (.cse6 (not (= |func_to_recursive_line_20_to_25_0_#in~k#1.offset| 0))) (.cse0 (select .cse12 0)) (.cse1 (select .cse11 0)) (.cse4 (select .cse9 0)) (.cse3 (select .cse8 0)) (.cse10 (select .cse7 |func_to_recursive_line_20_to_25_0_#in~k#1.offset|))) (and (or (and (= .cse0 3) (= .cse1 1)) .cse2 (not (= .cse3 1)) (not (= .cse4 2)) .cse5 .cse6 (not (= (select .cse7 0) 3))) (or (not (= (+ (select .cse8 |func_to_recursive_line_20_to_25_0_#in~i#1.offset|) (select .cse9 |func_to_recursive_line_20_to_25_0_#in~j#1.offset|)) .cse10)) (= (+ (select (select |#memory_int#2| |func_to_recursive_line_20_to_25_0_#in~j#1.base|) |func_to_recursive_line_20_to_25_0_#in~j#1.offset|) (select .cse11 |func_to_recursive_line_20_to_25_0_#in~i#1.offset|)) (select .cse12 |func_to_recursive_line_20_to_25_0_#in~k#1.offset|))) (or .cse2 .cse5 .cse6 (and (= .cse0 0) (= .cse1 0)) (not (= .cse4 0)) (not (= .cse3 0)) (not (= .cse10 0)))))) [2023-12-16 05:51:41,794 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 51) no Hoare annotation was computed. [2023-12-16 05:51:41,794 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 37 52) no Hoare annotation was computed. [2023-12-16 05:51:41,797 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 05:51:41,799 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:51:41,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:51:41 BoogieIcfgContainer [2023-12-16 05:51:41,803 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:51:41,803 INFO L158 Benchmark]: Toolchain (without parser) took 4341.30ms. Allocated memory is still 297.8MB. Free memory was 245.0MB in the beginning and 158.9MB in the end (delta: 86.1MB). Peak memory consumption was 87.6MB. Max. memory is 8.0GB. [2023-12-16 05:51:41,803 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 213.9MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:51:41,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.92ms. Allocated memory is still 297.8MB. Free memory was 244.9MB in the beginning and 234.1MB in the end (delta: 10.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 05:51:41,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.25ms. Allocated memory is still 297.8MB. Free memory was 234.1MB in the beginning and 232.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-16 05:51:41,804 INFO L158 Benchmark]: Boogie Preprocessor took 37.97ms. Allocated memory is still 297.8MB. Free memory was 232.4MB in the beginning and 230.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:51:41,805 INFO L158 Benchmark]: RCFGBuilder took 282.26ms. Allocated memory is still 297.8MB. Free memory was 230.6MB in the beginning and 218.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 05:51:41,805 INFO L158 Benchmark]: TraceAbstraction took 3768.69ms. Allocated memory is still 297.8MB. Free memory was 217.3MB in the beginning and 158.9MB in the end (delta: 58.4MB). Peak memory consumption was 59.3MB. Max. memory is 8.0GB. [2023-12-16 05:51:41,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 213.9MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 216.92ms. Allocated memory is still 297.8MB. Free memory was 244.9MB in the beginning and 234.1MB in the end (delta: 10.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.25ms. Allocated memory is still 297.8MB. Free memory was 234.1MB in the beginning and 232.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.97ms. Allocated memory is still 297.8MB. Free memory was 232.4MB in the beginning and 230.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 282.26ms. Allocated memory is still 297.8MB. Free memory was 230.6MB in the beginning and 218.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3768.69ms. Allocated memory is still 297.8MB. Free memory was 217.3MB in the beginning and 158.9MB in the end (delta: 58.4MB). Peak memory consumption was 59.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 26]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 12 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 270 HoareAnnotationTreeSize, 9 FormulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FormulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 697 SizeOfPredicates, 36 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-16 05:51:41,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...