/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:00:59,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:00:59,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:00:59,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:00:59,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:00:59,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:00:59,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:00:59,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:00:59,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:00:59,606 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:00:59,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:00:59,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:00:59,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:00:59,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:00:59,607 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:00:59,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:00:59,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:00:59,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:00:59,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:00:59,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:00:59,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:00:59,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:00:59,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:00:59,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:00:59,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:00:59,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:00:59,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:00:59,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:00:59,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:00:59,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:00:59,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:00:59,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:00:59,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:00:59,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:00:59,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:00:59,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:00:59,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:00:59,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:00:59,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:00:59,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:00:59,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:00:59,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:00:59,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:00:59,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:00:59,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:00:59,830 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:00:59,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal100.c [2023-12-16 19:01:00,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:01:01,323 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:01:01,324 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal100.c [2023-12-16 19:01:01,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96633e1bf/e8f5823bf50243369f4da3914a66da6a/FLAG80b3a68c9 [2023-12-16 19:01:01,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96633e1bf/e8f5823bf50243369f4da3914a66da6a [2023-12-16 19:01:01,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:01:01,406 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:01:01,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:01:01,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:01:01,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:01:01,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:01:01" (1/1) ... [2023-12-16 19:01:01,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec6b719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:01, skipping insertion in model container [2023-12-16 19:01:01,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:01:01" (1/1) ... [2023-12-16 19:01:01,574 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:01:01,836 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal100.c[1246,1259] [2023-12-16 19:01:03,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:01:03,022 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:01:03,029 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal100.c[1246,1259] [2023-12-16 19:01:03,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:01:03,830 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:01:03,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03 WrapperNode [2023-12-16 19:01:03,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:01:03,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:01:03,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:01:03,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:01:03,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:04,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:07,454 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57410 [2023-12-16 19:01:07,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:01:07,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:01:07,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:01:07,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:01:07,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:07,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:08,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:09,441 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 19:01:09,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:09,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:10,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:10,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:10,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:11,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:11,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:01:11,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:01:11,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:01:11,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:01:11,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (1/1) ... [2023-12-16 19:01:11,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:01:11,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:01:12,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 19:01:12,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 19:01:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:01:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:01:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:01:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:01:14,379 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:01:14,380 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:01:44,651 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:01:45,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:01:45,275 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:01:45,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:01:45 BoogieIcfgContainer [2023-12-16 19:01:45,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:01:45,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:01:45,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:01:45,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:01:45,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:01:01" (1/3) ... [2023-12-16 19:01:45,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78452e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:01:45, skipping insertion in model container [2023-12-16 19:01:45,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:03" (2/3) ... [2023-12-16 19:01:45,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78452e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:01:45, skipping insertion in model container [2023-12-16 19:01:45,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:01:45" (3/3) ... [2023-12-16 19:01:45,284 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal100.c [2023-12-16 19:01:45,294 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:01:45,294 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:01:45,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:01:45,652 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;@55189a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:01:45,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:01:45,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 11906 states, 11904 states have (on average 1.6672547043010753) internal successors, (19847), 11905 states have internal predecessors, (19847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:01:45,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2023-12-16 19:01:45,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:01:45,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:01:45,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:01:45,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:01:45,712 INFO L85 PathProgramCache]: Analyzing trace with hash -741716717, now seen corresponding path program 1 times [2023-12-16 19:01:45,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:01:45,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131589556] [2023-12-16 19:01:45,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:01:45,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:01:46,116 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:01:46,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349432438] [2023-12-16 19:01:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:01:46,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:01:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:01:46,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 19:01:46,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 19:01:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:01:49,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 1941 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-16 19:01:49,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:01:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:01:51,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:01:51,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:01:51,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131589556] [2023-12-16 19:01:51,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:01:51,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349432438] [2023-12-16 19:01:51,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349432438] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:01:51,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:01:51,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 19:01:51,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981038339] [2023-12-16 19:01:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:01:51,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 19:01:51,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:01:51,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 19:01:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-16 19:01:51,167 INFO L87 Difference]: Start difference. First operand has 11906 states, 11904 states have (on average 1.6672547043010753) internal successors, (19847), 11905 states have internal predecessors, (19847), 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) Second operand has 13 states, 13 states have (on average 27.0) internal successors, (351), 12 states have internal predecessors, (351), 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) Received shutdown request... [2023-12-16 19:01:56,193 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:01:56,194 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:01:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 19:01:56,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2023-12-16 19:01:56,199 INFO L413 NwaCegarLoop]: 2560 mSDtfsCounter, 66438 mSDsluCounter, 19738 mSDsCounter, 0 mSdLazyCounter, 6272 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66438 SdHoareTripleChecker+Valid, 22298 SdHoareTripleChecker+Invalid, 6285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-16 19:01:56,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66438 Valid, 22298 Invalid, 6285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 6272 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-16 19:01:56,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:01:56,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 19:01:56,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 19:01:56,418 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (11906states) and FLOYD_HOARE automaton (currently 22 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (10703 states constructed, input type IntersectNwa). [2023-12-16 19:01:56,421 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 19:01:56,423 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:01:56,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:01:56 BoogieIcfgContainer [2023-12-16 19:01:56,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:01:56,425 INFO L158 Benchmark]: Toolchain (without parser) took 55018.25ms. Allocated memory was 191.9MB in the beginning and 6.0GB in the end (delta: 5.8GB). Free memory was 142.4MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-16 19:01:56,425 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:01:56,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2423.78ms. Allocated memory was 191.9MB in the beginning and 902.8MB in the end (delta: 710.9MB). Free memory was 141.9MB in the beginning and 568.6MB in the end (delta: -426.8MB). Peak memory consumption was 299.9MB. Max. memory is 8.0GB. [2023-12-16 19:01:56,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 3621.62ms. Allocated memory was 902.8MB in the beginning and 4.6GB in the end (delta: 3.7GB). Free memory was 568.6MB in the beginning and 3.6GB in the end (delta: -3.0GB). Peak memory consumption was 685.2MB. Max. memory is 8.0GB. [2023-12-16 19:01:56,426 INFO L158 Benchmark]: Boogie Preprocessor took 4498.25ms. Allocated memory is still 4.6GB. Free memory was 3.6GB in the beginning and 3.3GB in the end (delta: 281.4MB). Peak memory consumption was 353.4MB. Max. memory is 8.0GB. [2023-12-16 19:01:56,426 INFO L158 Benchmark]: RCFGBuilder took 33316.51ms. Allocated memory was 4.6GB in the beginning and 6.0GB in the end (delta: 1.4GB). Free memory was 3.3GB in the beginning and 3.9GB in the end (delta: -621.3MB). Peak memory consumption was 734.0MB. Max. memory is 8.0GB. [2023-12-16 19:01:56,427 INFO L158 Benchmark]: TraceAbstraction took 11145.77ms. Allocated memory is still 6.0GB. Free memory was 3.9GB in the beginning and 4.0GB in the end (delta: -19.4MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-12-16 19:01:56,429 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 191.9MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2423.78ms. Allocated memory was 191.9MB in the beginning and 902.8MB in the end (delta: 710.9MB). Free memory was 141.9MB in the beginning and 568.6MB in the end (delta: -426.8MB). Peak memory consumption was 299.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3621.62ms. Allocated memory was 902.8MB in the beginning and 4.6GB in the end (delta: 3.7GB). Free memory was 568.6MB in the beginning and 3.6GB in the end (delta: -3.0GB). Peak memory consumption was 685.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4498.25ms. Allocated memory is still 4.6GB. Free memory was 3.6GB in the beginning and 3.3GB in the end (delta: 281.4MB). Peak memory consumption was 353.4MB. Max. memory is 8.0GB. * RCFGBuilder took 33316.51ms. Allocated memory was 4.6GB in the beginning and 6.0GB in the end (delta: 1.4GB). Free memory was 3.3GB in the beginning and 3.9GB in the end (delta: -621.3MB). Peak memory consumption was 734.0MB. Max. memory is 8.0GB. * TraceAbstraction took 11145.77ms. Allocated memory is still 6.0GB. Free memory was 3.9GB in the beginning and 4.0GB in the end (delta: -19.4MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (11906states) and FLOYD_HOARE automaton (currently 22 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (10703 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11906 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66438 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66438 mSDsluCounter, 22298 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19738 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6272 IncrementalHoareTripleChecker+Invalid, 6285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2560 mSDtfsCounter, 6272 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11906occurred 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: 1.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 3830 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1941 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: Timeout Completed graceful shutdown