/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-regression/test28-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 16:40:09,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 16:40:09,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 16:40:09,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 16:40:09,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 16:40:09,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 16:40:09,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 16:40:09,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 16:40:09,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 16:40:09,798 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 16:40:09,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 16:40:09,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 16:40:09,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 16:40:09,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 16:40:09,800 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 16:40:09,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 16:40:09,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 16:40:09,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 16:40:09,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 16:40:09,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 16:40:09,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 16:40:09,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 16:40:09,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 16:40:09,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 16:40:09,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 16:40:09,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 16:40:09,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 16:40:09,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 16:40:09,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 16:40:09,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:40:09,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 16:40:09,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 16:40:09,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 16:40:09,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 16:40:09,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 16:40:09,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 16:40:09,805 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 16:40:09,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 16:40:10,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 16:40:10,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 16:40:10,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 16:40:10,020 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 16:40:10,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28-1.c [2023-12-19 16:40:11,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 16:40:11,284 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 16:40:11,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-1.c [2023-12-19 16:40:11,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c286945e6/5916636bbeb049ab9e1c70c80a0e70ca/FLAGb5f718649 [2023-12-19 16:40:11,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c286945e6/5916636bbeb049ab9e1c70c80a0e70ca [2023-12-19 16:40:11,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 16:40:11,300 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 16:40:11,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 16:40:11,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 16:40:11,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 16:40:11,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517640b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11, skipping insertion in model container [2023-12-19 16:40:11,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 16:40:11,443 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-1.c[613,626] [2023-12-19 16:40:11,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:40:11,454 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 16:40:11,466 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-1.c[613,626] [2023-12-19 16:40:11,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:40:11,477 INFO L206 MainTranslator]: Completed translation [2023-12-19 16:40:11,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11 WrapperNode [2023-12-19 16:40:11,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 16:40:11,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 16:40:11,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 16:40:11,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 16:40:11,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,501 INFO L138 Inliner]: procedures = 13, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-12-19 16:40:11,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 16:40:11,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 16:40:11,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 16:40:11,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 16:40:11,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,536 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2023-12-19 16:40:11,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 16:40:11,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 16:40:11,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 16:40:11,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 16:40:11,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (1/1) ... [2023-12-19 16:40:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:40:11,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:40:11,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 16:40:11,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 16:40:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 16:40:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 16:40:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 16:40:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-19 16:40:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 16:40:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 16:40:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 16:40:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 16:40:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 16:40:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 16:40:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-19 16:40:11,675 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 16:40:11,676 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 16:40:11,803 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 16:40:11,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 16:40:11,824 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-19 16:40:11,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:40:11 BoogieIcfgContainer [2023-12-19 16:40:11,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 16:40:11,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 16:40:11,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 16:40:11,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 16:40:11,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:40:11" (1/3) ... [2023-12-19 16:40:11,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e270d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:40:11, skipping insertion in model container [2023-12-19 16:40:11,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:40:11" (2/3) ... [2023-12-19 16:40:11,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e270d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:40:11, skipping insertion in model container [2023-12-19 16:40:11,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:40:11" (3/3) ... [2023-12-19 16:40:11,832 INFO L112 eAbstractionObserver]: Analyzing ICFG test28-1.c [2023-12-19 16:40:11,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 16:40:11,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 16:40:11,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 16:40:11,884 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@308c8c6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 16:40:11,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 16:40:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 16:40:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-19 16:40:11,891 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:40:11,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-19 16:40:11,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:40:11,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:40:11,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1665388594, now seen corresponding path program 1 times [2023-12-19 16:40:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:40:11,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529682817] [2023-12-19 16:40:11,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:40:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:40:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 16:40:12,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 16:40:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 16:40:12,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 16:40:12,027 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 16:40:12,028 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 16:40:12,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 16:40:12,032 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-19 16:40:12,034 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 16:40:12,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 04:40:12 BoogieIcfgContainer [2023-12-19 16:40:12,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 16:40:12,048 INFO L158 Benchmark]: Toolchain (without parser) took 747.43ms. Allocated memory is still 219.2MB. Free memory was 169.9MB in the beginning and 128.6MB in the end (delta: 41.2MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-12-19 16:40:12,048 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 16:40:12,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.10ms. Allocated memory is still 219.2MB. Free memory was 169.5MB in the beginning and 158.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-19 16:40:12,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.31ms. Allocated memory is still 219.2MB. Free memory was 158.3MB in the beginning and 156.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-19 16:40:12,049 INFO L158 Benchmark]: Boogie Preprocessor took 52.12ms. Allocated memory is still 219.2MB. Free memory was 156.9MB in the beginning and 155.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 16:40:12,050 INFO L158 Benchmark]: RCFGBuilder took 268.38ms. Allocated memory is still 219.2MB. Free memory was 155.2MB in the beginning and 144.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-19 16:40:12,050 INFO L158 Benchmark]: TraceAbstraction took 221.45ms. Allocated memory is still 219.2MB. Free memory was 143.3MB in the beginning and 128.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 16:40:12,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.10ms. Allocated memory is still 219.2MB. Free memory was 169.5MB in the beginning and 158.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.31ms. Allocated memory is still 219.2MB. Free memory was 158.3MB in the beginning and 156.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.12ms. Allocated memory is still 219.2MB. Free memory was 156.9MB in the beginning and 155.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 268.38ms. Allocated memory is still 219.2MB. Free memory was 155.2MB in the beginning and 144.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 221.45ms. Allocated memory is still 219.2MB. Free memory was 143.3MB in the beginning and 128.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 29]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] struct dummy d1, d2; [L15] int n = __VERIFIER_nondet_int(); [L16] struct dummy *pd = n ? &d1 : &d2; VAL [d1={5:0}, d2={6:0}, n=0, pd={6:0}] [L17] COND TRUE pd == &d2 [L18] pd->a = 0 [L19] pd->b = __VERIFIER_nondet_int() [L23] pd == &d2 && d2.b != 0 VAL [d1={5:0}, d2={6:0}, n=0, pd={6:0}] [L23] pd == &d2 && d2.b != 0 [L23] EXPR d2.b [L23] pd == &d2 && d2.b != 0 VAL [d1={5:0}, d2={6:0}, n=0, pd={6:0}] [L23] COND TRUE pd == &d2 && d2.b != 0 [L29] reach_error() VAL [d1={5:0}, d2={6:0}, n=0, pd={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-19 16:40:12,079 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...