./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test22-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test22-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 13:48:37,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 13:48:37,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 13:48:37,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 13:48:37,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 13:48:37,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 13:48:37,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 13:48:37,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 13:48:37,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 13:48:37,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 13:48:37,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 13:48:37,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 13:48:37,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 13:48:37,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 13:48:37,946 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 13:48:37,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 13:48:37,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 13:48:37,947 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 13:48:37,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 13:48:37,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 13:48:37,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 13:48:37,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 13:48:37,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 13:48:37,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 13:48:37,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 13:48:37,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 13:48:37,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 13:48:37,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 13:48:37,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 13:48:37,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 13:48:37,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 13:48:37,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 13:48:37,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:48:37,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 13:48:37,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 13:48:37,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 13:48:37,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 13:48:37,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 13:48:37,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 13:48:37,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 13:48:37,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 13:48:37,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 13:48:37,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f [2024-11-08 13:48:38,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 13:48:38,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 13:48:38,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 13:48:38,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 13:48:38,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 13:48:38,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-1.c [2024-11-08 13:48:39,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 13:48:39,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 13:48:39,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c [2024-11-08 13:48:39,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70bbdedbd/3f94a556e514415f942231966557a934/FLAGe0f35c807 [2024-11-08 13:48:40,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70bbdedbd/3f94a556e514415f942231966557a934 [2024-11-08 13:48:40,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 13:48:40,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 13:48:40,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 13:48:40,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 13:48:40,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 13:48:40,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c532014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40, skipping insertion in model container [2024-11-08 13:48:40,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 13:48:40,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c[1029,1042] [2024-11-08 13:48:40,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:48:40,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 13:48:40,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c[1029,1042] [2024-11-08 13:48:40,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:48:40,529 INFO L204 MainTranslator]: Completed translation [2024-11-08 13:48:40,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40 WrapperNode [2024-11-08 13:48:40,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 13:48:40,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 13:48:40,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 13:48:40,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 13:48:40,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,571 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-11-08 13:48:40,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 13:48:40,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 13:48:40,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 13:48:40,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 13:48:40,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,604 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 4 writes are split as follows [0, 4]. [2024-11-08 13:48:40,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 13:48:40,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 13:48:40,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 13:48:40,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 13:48:40,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (1/1) ... [2024-11-08 13:48:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:48:40,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:48:40,693 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) [2024-11-08 13:48:40,695 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 [2024-11-08 13:48:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 13:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 13:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 13:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 13:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 13:48:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-11-08 13:48:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-11-08 13:48:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 13:48:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 13:48:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 13:48:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 13:48:40,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 13:48:40,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 13:48:41,022 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 13:48:41,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 13:48:41,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 13:48:41,041 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 13:48:41,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:48:41 BoogieIcfgContainer [2024-11-08 13:48:41,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 13:48:41,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 13:48:41,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 13:48:41,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 13:48:41,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 01:48:40" (1/3) ... [2024-11-08 13:48:41,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cd65f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:48:41, skipping insertion in model container [2024-11-08 13:48:41,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:48:40" (2/3) ... [2024-11-08 13:48:41,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cd65f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:48:41, skipping insertion in model container [2024-11-08 13:48:41,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:48:41" (3/3) ... [2024-11-08 13:48:41,056 INFO L112 eAbstractionObserver]: Analyzing ICFG test22-1.c [2024-11-08 13:48:41,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 13:48:41,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 13:48:41,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 13:48:41,156 INFO L333 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, 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;@518ae4a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 13:48:41,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 13:48:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 13:48:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 13:48:41,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:48:41,181 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 13:48:41,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:48:41,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:48:41,186 INFO L85 PathProgramCache]: Analyzing trace with hash 824121920, now seen corresponding path program 1 times [2024-11-08 13:48:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:48:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802369508] [2024-11-08 13:48:41,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:41,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:48:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 13:48:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 13:48:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 13:48:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:41,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 13:48:41,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802369508] [2024-11-08 13:48:41,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802369508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 13:48:41,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 13:48:41,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 13:48:41,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193874599] [2024-11-08 13:48:41,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 13:48:41,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 13:48:41,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 13:48:41,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 13:48:41,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 13:48:41,489 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 13:48:41,500 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2024-11-08 13:48:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 13:48:41,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-08 13:48:41,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 13:48:41,507 INFO L225 Difference]: With dead ends: 34 [2024-11-08 13:48:41,507 INFO L226 Difference]: Without dead ends: 21 [2024-11-08 13:48:41,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 13:48:41,512 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 13:48:41,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 13:48:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-08 13:48:41,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-08 13:48:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 13:48:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-08 13:48:41,544 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 25 [2024-11-08 13:48:41,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 13:48:41,545 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-08 13:48:41,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-08 13:48:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 13:48:41,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:48:41,547 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 13:48:41,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 13:48:41,548 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:48:41,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:48:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash -428032104, now seen corresponding path program 1 times [2024-11-08 13:48:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:48:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029298694] [2024-11-08 13:48:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:48:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 13:48:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 13:48:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 13:48:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:41,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 13:48:41,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029298694] [2024-11-08 13:48:41,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029298694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 13:48:41,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 13:48:41,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 13:48:41,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717598854] [2024-11-08 13:48:41,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 13:48:41,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 13:48:41,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 13:48:41,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 13:48:41,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 13:48:41,690 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:41,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 13:48:41,712 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2024-11-08 13:48:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 13:48:41,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-08 13:48:41,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 13:48:41,714 INFO L225 Difference]: With dead ends: 29 [2024-11-08 13:48:41,714 INFO L226 Difference]: Without dead ends: 21 [2024-11-08 13:48:41,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 13:48:41,715 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 13:48:41,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 13:48:41,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-08 13:48:41,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-08 13:48:41,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 13:48:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-08 13:48:41,726 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 26 [2024-11-08 13:48:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 13:48:41,727 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-08 13:48:41,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-08 13:48:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 13:48:41,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:48:41,730 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 13:48:41,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 13:48:41,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:48:41,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:48:41,733 INFO L85 PathProgramCache]: Analyzing trace with hash 381314522, now seen corresponding path program 1 times [2024-11-08 13:48:41,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:48:41,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860291319] [2024-11-08 13:48:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:41,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:48:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 13:48:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 13:48:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 13:48:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:42,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 13:48:42,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860291319] [2024-11-08 13:48:42,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860291319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 13:48:42,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 13:48:42,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 13:48:42,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957703043] [2024-11-08 13:48:42,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 13:48:42,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 13:48:42,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 13:48:42,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 13:48:42,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 13:48:42,164 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:42,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 13:48:42,236 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-08 13:48:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 13:48:42,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-08 13:48:42,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 13:48:42,238 INFO L225 Difference]: With dead ends: 28 [2024-11-08 13:48:42,238 INFO L226 Difference]: Without dead ends: 23 [2024-11-08 13:48:42,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 13:48:42,239 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 13:48:42,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 62 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 13:48:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-08 13:48:42,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-08 13:48:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 13:48:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-11-08 13:48:42,245 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 26 [2024-11-08 13:48:42,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 13:48:42,246 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-11-08 13:48:42,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-08 13:48:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 13:48:42,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:48:42,250 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 13:48:42,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 13:48:42,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:48:42,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:48:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1414133217, now seen corresponding path program 1 times [2024-11-08 13:48:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:48:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956902502] [2024-11-08 13:48:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:48:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 13:48:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 13:48:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 13:48:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:42,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 13:48:42,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956902502] [2024-11-08 13:48:42,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956902502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 13:48:42,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552180939] [2024-11-08 13:48:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:42,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 13:48:42,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:48:42,683 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) [2024-11-08 13:48:42,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 13:48:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:42,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 13:48:42,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 13:48:43,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 13:48:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:43,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 13:48:43,112 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 13:48:43,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 13:48:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:43,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552180939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 13:48:43,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 13:48:43,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-08 13:48:43,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327221426] [2024-11-08 13:48:43,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 13:48:43,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 13:48:43,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 13:48:43,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 13:48:43,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-08 13:48:43,155 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:43,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 13:48:43,324 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2024-11-08 13:48:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 13:48:43,325 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-08 13:48:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 13:48:43,326 INFO L225 Difference]: With dead ends: 34 [2024-11-08 13:48:43,326 INFO L226 Difference]: Without dead ends: 29 [2024-11-08 13:48:43,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-08 13:48:43,327 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 13:48:43,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 122 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 13:48:43,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-08 13:48:43,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-08 13:48:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 13:48:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2024-11-08 13:48:43,336 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 28 [2024-11-08 13:48:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 13:48:43,337 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2024-11-08 13:48:43,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-08 13:48:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 13:48:43,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:48:43,340 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 13:48:43,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 13:48:43,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 13:48:43,545 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:48:43,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:48:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash 124667758, now seen corresponding path program 2 times [2024-11-08 13:48:43,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:48:43,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255355243] [2024-11-08 13:48:43,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:48:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 13:48:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 13:48:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 13:48:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:43,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 13:48:43,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255355243] [2024-11-08 13:48:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255355243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 13:48:43,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907927707] [2024-11-08 13:48:43,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 13:48:43,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 13:48:43,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:48:43,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 13:48:43,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 13:48:44,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 13:48:44,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 13:48:44,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 13:48:44,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 13:48:44,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 13:48:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:44,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 13:48:44,447 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 13:48:44,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 13:48:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 13:48:44,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907927707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 13:48:44,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 13:48:44,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 24 [2024-11-08 13:48:44,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024598509] [2024-11-08 13:48:44,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 13:48:44,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 13:48:44,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 13:48:44,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 13:48:44,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-08 13:48:44,476 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 24 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 24 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 13:48:44,723 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-11-08 13:48:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 13:48:44,724 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 24 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2024-11-08 13:48:44,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 13:48:44,726 INFO L225 Difference]: With dead ends: 46 [2024-11-08 13:48:44,726 INFO L226 Difference]: Without dead ends: 41 [2024-11-08 13:48:44,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 13:48:44,728 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 13:48:44,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 124 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 13:48:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-08 13:48:44,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-08 13:48:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 13:48:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-11-08 13:48:44,735 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 34 [2024-11-08 13:48:44,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 13:48:44,736 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-08 13:48:44,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 24 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 13:48:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2024-11-08 13:48:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 13:48:44,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:48:44,737 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 13:48:44,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 13:48:44,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 13:48:44,942 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:48:44,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:48:44,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1124387916, now seen corresponding path program 3 times [2024-11-08 13:48:44,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:48:44,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290258262] [2024-11-08 13:48:44,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:48:44,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:48:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:46,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 13:48:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 13:48:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:46,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 13:48:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 13:48:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 13:48:46,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 13:48:46,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290258262] [2024-11-08 13:48:46,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290258262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 13:48:46,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32007824] [2024-11-08 13:48:46,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 13:48:46,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 13:48:46,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:48:46,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 13:48:46,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 13:48:46,599 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-08 13:48:46,600 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 13:48:46,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 13:48:46,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 13:48:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-08 13:48:47,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 13:48:47,469 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 13:48:47,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 30 [2024-11-08 13:48:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 13:48:47,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32007824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 13:48:47,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 13:48:47,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 12, 11] total 38 [2024-11-08 13:48:47,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764587830] [2024-11-08 13:48:47,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 13:48:47,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-08 13:48:47,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 13:48:47,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-08 13:48:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1311, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 13:48:47,589 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 38 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 37 states have internal predecessors, (65), 4 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-08 13:48:49,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 13:48:49,548 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-08 13:48:49,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 13:48:49,548 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 37 states have internal predecessors, (65), 4 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2024-11-08 13:48:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 13:48:49,549 INFO L225 Difference]: With dead ends: 46 [2024-11-08 13:48:49,549 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 13:48:49,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=649, Invalid=3773, Unknown=0, NotChecked=0, Total=4422 [2024-11-08 13:48:49,552 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 38 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 13:48:49,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 152 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 13:48:49,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 13:48:49,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 13:48:49,553 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) [2024-11-08 13:48:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 13:48:49,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2024-11-08 13:48:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 13:48:49,553 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 13:48:49,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 37 states have internal predecessors, (65), 4 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-08 13:48:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 13:48:49,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 13:48:49,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 13:48:49,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 13:48:49,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 13:48:49,764 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-11-08 13:48:49,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 13:48:50,030 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 13:48:50,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,042 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,043 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,045 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,045 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,047 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,047 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,047 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,048 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,048 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,048 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,048 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,048 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,049 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,049 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,049 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,049 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,049 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,053 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,053 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,053 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,053 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,053 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,053 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,054 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,055 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pa~0!base,]]] [2024-11-08 13:48:50,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2024-11-08 13:48:50,064 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2024-11-08 13:48:50,064 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2024-11-08 13:48:50,064 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2024-11-08 13:48:50,070 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,074 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,074 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,074 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!offset [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!offset [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2024-11-08 13:48:50,075 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-08 13:48:50,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 01:48:50 BoogieIcfgContainer [2024-11-08 13:48:50,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 13:48:50,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 13:48:50,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 13:48:50,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 13:48:50,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:48:41" (3/4) ... [2024-11-08 13:48:50,087 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 13:48:50,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2024-11-08 13:48:50,096 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 13:48:50,096 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 13:48:50,096 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 13:48:50,096 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 13:48:50,190 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 13:48:50,191 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 13:48:50,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 13:48:50,191 INFO L158 Benchmark]: Toolchain (without parser) took 9925.75ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 101.4MB in the beginning and 158.5MB in the end (delta: -57.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-08 13:48:50,192 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:48:50,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.07ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 87.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 13:48:50,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.20ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 86.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:48:50,192 INFO L158 Benchmark]: Boogie Preprocessor took 49.17ms. Allocated memory is still 159.4MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:48:50,193 INFO L158 Benchmark]: RCFGBuilder took 419.51ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 70.7MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 13:48:50,193 INFO L158 Benchmark]: TraceAbstraction took 9039.29ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 70.0MB in the beginning and 162.7MB in the end (delta: -92.7MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2024-11-08 13:48:50,193 INFO L158 Benchmark]: Witness Printer took 107.37ms. Allocated memory is still 237.0MB. Free memory was 162.7MB in the beginning and 158.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 13:48:50,194 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 159.4MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.07ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 87.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.20ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 86.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.17ms. Allocated memory is still 159.4MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.51ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 70.7MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9039.29ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 70.0MB in the beginning and 162.7MB in the end (delta: -92.7MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Witness Printer took 107.37ms. Allocated memory is still 237.0MB. Free memory was 162.7MB in the beginning and 158.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pa~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pd2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base * 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: 50]: 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 6, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 532 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 414 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 862 IncrementalHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 118 mSDtfsCounter, 862 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 223 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=5, InterpolantAutomatonStates: 79, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 293 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 2187 SizeOfPredicates, 19 NumberOfNonLiveVariables, 497 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 281/504 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 22]: Procedure Contract for get_dummy Derived contract for procedure get_dummy. Ensures: ((d1 == \old(d1)) && (d2 == \old(d2))) RESULT: Ultimate proved your program to be correct! [2024-11-08 13:48:50,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE