/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/hardness-nfm22/hardness_operatoramount_amount10_file-77.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:07:08,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:07:08,450 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:07:08,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:07:08,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:07:08,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:07:08,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:07:08,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:07:08,476 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:07:08,479 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:07:08,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:07:08,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:07:08,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:07:08,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:07:08,481 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:07:08,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:07:08,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:07:08,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:07:08,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:07:08,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:07:08,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:07:08,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:07:08,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:07:08,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:07:08,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:07:08,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:07:08,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:07:08,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:07:08,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:07:08,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:07:08,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:07:08,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:07:08,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:07:08,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:07:08,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:07:08,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:07:08,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:07:08,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:07:08,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:07:08,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:07:08,693 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:07:08,696 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:07:08,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-77.i [2023-12-15 21:07:09,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:07:09,909 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:07:09,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-77.i [2023-12-15 21:07:09,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d197222/d0db49e4c36e45e08aefc60a3faf31ad/FLAG8c6aea06b [2023-12-15 21:07:09,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d197222/d0db49e4c36e45e08aefc60a3faf31ad [2023-12-15 21:07:09,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:07:09,931 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:07:09,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:07:09,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:07:09,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:07:09,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:07:09" (1/1) ... [2023-12-15 21:07:09,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61998948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:09, skipping insertion in model container [2023-12-15 21:07:09,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:07:09" (1/1) ... [2023-12-15 21:07:09,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:07:10,058 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-77.i[915,928] [2023-12-15 21:07:10,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:07:10,080 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:07:10,088 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-77.i[915,928] [2023-12-15 21:07:10,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:07:10,105 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:07:10,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10 WrapperNode [2023-12-15 21:07:10,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:07:10,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:07:10,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:07:10,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:07:10,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,129 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2023-12-15 21:07:10,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:07:10,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:07:10,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:07:10,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:07:10,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,146 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]. [2023-12-15 21:07:10,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:07:10,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:07:10,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:07:10,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:07:10,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (1/1) ... [2023-12-15 21:07:10,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:07:10,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:10,178 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) [2023-12-15 21:07:10,182 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 [2023-12-15 21:07:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:07:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:07:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:07:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:07:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:07:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:07:10,279 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:07:10,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:07:10,509 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:07:10,539 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:07:10,539 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:07:10,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:07:10 BoogieIcfgContainer [2023-12-15 21:07:10,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:07:10,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:07:10,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:07:10,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:07:10,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:07:09" (1/3) ... [2023-12-15 21:07:10,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec7702e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:07:10, skipping insertion in model container [2023-12-15 21:07:10,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:10" (2/3) ... [2023-12-15 21:07:10,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec7702e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:07:10, skipping insertion in model container [2023-12-15 21:07:10,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:07:10" (3/3) ... [2023-12-15 21:07:10,546 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-77.i [2023-12-15 21:07:10,559 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:07:10,559 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:07:10,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:07:10,598 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;@55034d02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:07:10,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:07:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:07:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-15 21:07:10,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:10,614 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:10,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:10,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:10,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1975861265, now seen corresponding path program 1 times [2023-12-15 21:07:10,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:10,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781983125] [2023-12-15 21:07:10,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:10,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:10,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:10,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781983125] [2023-12-15 21:07:10,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:07:10,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799408380] [2023-12-15 21:07:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:10,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:10,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:10,802 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) [2023-12-15 21:07:10,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:07:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:10,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:07:10,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-12-15 21:07:10,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:07:10,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799408380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:10,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:10,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:07:10,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631456997] [2023-12-15 21:07:10,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:10,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:07:10,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:07:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:07:10,928 INFO L87 Difference]: Start difference. First operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 21:07:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:10,949 INFO L93 Difference]: Finished difference Result 65 states and 113 transitions. [2023-12-15 21:07:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:07:10,951 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2023-12-15 21:07:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:10,955 INFO L225 Difference]: With dead ends: 65 [2023-12-15 21:07:10,955 INFO L226 Difference]: Without dead ends: 32 [2023-12-15 21:07:10,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:07:10,960 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:10,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:07:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-15 21:07:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-12-15 21:07:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:07:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2023-12-15 21:07:10,996 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 46 transitions. Word has length 77 [2023-12-15 21:07:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:10,996 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 46 transitions. [2023-12-15 21:07:10,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 21:07:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-12-15 21:07:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-15 21:07:11,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:11,002 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:11,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:11,206 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 [2023-12-15 21:07:11,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:11,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:11,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1142997843, now seen corresponding path program 1 times [2023-12-15 21:07:11,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:11,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63930390] [2023-12-15 21:07:11,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:11,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:11,244 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:11,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76224257] [2023-12-15 21:07:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:11,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:11,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:11,247 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) [2023-12-15 21:07:11,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:07:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:11,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 21:07:11,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-15 21:07:11,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:07:11,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63930390] [2023-12-15 21:07:11,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76224257] [2023-12-15 21:07:11,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76224257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:11,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:11,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:07:11,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638402342] [2023-12-15 21:07:11,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:11,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:07:11,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:11,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:07:11,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:07:11,429 INFO L87 Difference]: Start difference. First operand 32 states and 46 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-15 21:07:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:11,477 INFO L93 Difference]: Finished difference Result 53 states and 77 transitions. [2023-12-15 21:07:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:07:11,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 77 [2023-12-15 21:07:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:11,479 INFO L225 Difference]: With dead ends: 53 [2023-12-15 21:07:11,479 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 21:07:11,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:07:11,482 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 34 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:11,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 172 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:07:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 21:07:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 21:07:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 21:07:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 21:07:11,486 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2023-12-15 21:07:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:11,486 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 21:07:11,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-15 21:07:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 21:07:11,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 21:07:11,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:07:11,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:11,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 21:07:11,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 21:07:11,717 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 43) no Hoare annotation was computed. [2023-12-15 21:07:11,717 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-12-15 21:07:11,717 INFO L902 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: true [2023-12-15 21:07:11,718 INFO L902 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: true [2023-12-15 21:07:11,718 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-15 21:07:11,718 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-15 21:07:11,718 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-15 21:07:11,718 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-12-15 21:07:11,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-15 21:07:11,718 INFO L902 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: true [2023-12-15 21:07:11,718 INFO L902 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L899 garLoopResultBuilder]: For program point L74-3(lines 74 80) no Hoare annotation was computed. [2023-12-15 21:07:11,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L62-1(line 62) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: true [2023-12-15 21:07:11,719 INFO L902 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: true [2023-12-15 21:07:11,720 INFO L902 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: true [2023-12-15 21:07:11,720 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 21:07:11,720 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 42) no Hoare annotation was computed. [2023-12-15 21:07:11,720 INFO L899 garLoopResultBuilder]: For program point L63(lines 44 64) no Hoare annotation was computed. [2023-12-15 21:07:11,720 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2023-12-15 21:07:11,720 INFO L902 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: true [2023-12-15 21:07:11,720 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-12-15 21:07:11,720 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-12-15 21:07:11,720 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 39) no Hoare annotation was computed. [2023-12-15 21:07:11,720 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-15 21:07:11,721 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-15 21:07:11,721 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-15 21:07:11,721 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-15 21:07:11,723 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-15 21:07:11,724 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:07:11,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:07:11 BoogieIcfgContainer [2023-12-15 21:07:11,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:07:11,731 INFO L158 Benchmark]: Toolchain (without parser) took 1799.59ms. Allocated memory was 181.4MB in the beginning and 255.9MB in the end (delta: 74.4MB). Free memory was 129.9MB in the beginning and 181.1MB in the end (delta: -51.1MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2023-12-15 21:07:11,731 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 133.9MB in the beginning and 133.7MB in the end (delta: 161.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:07:11,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.12ms. Allocated memory is still 181.4MB. Free memory was 129.6MB in the beginning and 118.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-15 21:07:11,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.72ms. Allocated memory is still 181.4MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 21:07:11,732 INFO L158 Benchmark]: Boogie Preprocessor took 22.50ms. Allocated memory is still 181.4MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 21:07:11,732 INFO L158 Benchmark]: RCFGBuilder took 386.79ms. Allocated memory is still 181.4MB. Free memory was 114.4MB in the beginning and 101.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-15 21:07:11,732 INFO L158 Benchmark]: TraceAbstraction took 1188.74ms. Allocated memory was 181.4MB in the beginning and 255.9MB in the end (delta: 74.4MB). Free memory was 100.4MB in the beginning and 181.1MB in the end (delta: -80.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:07:11,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 133.9MB in the beginning and 133.7MB in the end (delta: 161.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 174.12ms. Allocated memory is still 181.4MB. Free memory was 129.6MB in the beginning and 118.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.72ms. Allocated memory is still 181.4MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.50ms. Allocated memory is still 181.4MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 386.79ms. Allocated memory is still 181.4MB. Free memory was 114.4MB in the beginning and 101.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1188.74ms. Allocated memory was 181.4MB in the beginning and 255.9MB in the end (delta: 74.4MB). Free memory was 100.4MB in the beginning and 181.1MB in the end (delta: -80.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 113 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 51 PreInvPairs, 77 NumberOfFragments, 15 HoareAnnotationTreeSize, 51 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FormulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 5 NumberOfNonLiveVariables, 362 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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: 74]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 21:07:11,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...