/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:38:36,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:38:36,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:38:36,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 03:38:36,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:38:36,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:38:36,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:38:36,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 03:38:36,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:38:36,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:38:36,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:38:36,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:38:36,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:38:36,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:38:36,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 03:38:36,123 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:38:36,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:38:36,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:38:36,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:38:36,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:38:36,364 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:38:36,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2022-02-15 03:38:36,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b17bcef/ba9d16579ae84ec9aa5197bbc2122c6a/FLAG69e8d05d4 [2022-02-15 03:38:36,804 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:38:36,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2022-02-15 03:38:36,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b17bcef/ba9d16579ae84ec9aa5197bbc2122c6a/FLAG69e8d05d4 [2022-02-15 03:38:36,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b17bcef/ba9d16579ae84ec9aa5197bbc2122c6a [2022-02-15 03:38:36,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:38:36,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:38:36,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:38:36,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:38:36,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:38:36,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:38:36" (1/1) ... [2022-02-15 03:38:36,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a532c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:36, skipping insertion in model container [2022-02-15 03:38:36,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:38:36" (1/1) ... [2022-02-15 03:38:36,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:38:36,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:38:36,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2022-02-15 03:38:37,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:38:37,015 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:38:37,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2022-02-15 03:38:37,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:38:37,040 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:38:37,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37 WrapperNode [2022-02-15 03:38:37,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:38:37,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:38:37,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:38:37,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:38:37,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:38:37,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:38:37,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:38:37,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:38:37,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (1/1) ... [2022-02-15 03:38:37,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:38:37,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:38:37,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 03:38:37,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 03:38:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:38:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:38:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:38:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-15 03:38:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:38:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:38:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:38:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-02-15 03:38:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-02-15 03:38:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:38:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:38:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-15 03:38:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-02-15 03:38:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:38:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:38:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:38:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:38:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:38:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:38:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:38:37,201 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:38:37,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:38:37,323 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:38:37,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:38:37,327 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 03:38:37,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:38:37 BoogieIcfgContainer [2022-02-15 03:38:37,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:38:37,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:38:37,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:38:37,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:38:37,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:38:36" (1/3) ... [2022-02-15 03:38:37,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a64e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:38:37, skipping insertion in model container [2022-02-15 03:38:37,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:38:37" (2/3) ... [2022-02-15 03:38:37,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a64e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:38:37, skipping insertion in model container [2022-02-15 03:38:37,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:38:37" (3/3) ... [2022-02-15 03:38:37,342 INFO L111 eAbstractionObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case.i [2022-02-15 03:38:37,345 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:38:37,345 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:38:37,410 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:38:37,421 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=QVASR [2022-02-15 03:38:37,422 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:38:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 03:38:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-15 03:38:37,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:38:37,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:38:37,445 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:38:37,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:38:37,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1466806487, now seen corresponding path program 1 times [2022-02-15 03:38:37,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:38:37,455 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549471748] [2022-02-15 03:38:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:38:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:38:37,496 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:38:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:38:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:38:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:38:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:38:37,615 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:38:37,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549471748] [2022-02-15 03:38:37,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [549471748] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:38:37,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:38:37,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 03:38:37,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763818824] [2022-02-15 03:38:37,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:38:37,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 03:38:37,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:38:37,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 03:38:37,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 03:38:37,647 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:38:37,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:38:37,678 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-02-15 03:38:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 03:38:37,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-15 03:38:37,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:38:37,685 INFO L225 Difference]: With dead ends: 31 [2022-02-15 03:38:37,685 INFO L226 Difference]: Without dead ends: 14 [2022-02-15 03:38:37,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 03:38:37,689 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:38:37,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 03:38:37,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-02-15 03:38:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-02-15 03:38:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:38:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-02-15 03:38:37,712 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-02-15 03:38:37,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:38:37,713 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-02-15 03:38:37,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:38:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-02-15 03:38:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-15 03:38:37,713 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:38:37,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:38:37,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:38:37,714 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:38:37,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:38:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1456647756, now seen corresponding path program 1 times [2022-02-15 03:38:37,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:38:37,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39589165] [2022-02-15 03:38:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:38:37,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:38:37,717 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:38:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:38:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:38:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:38:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:38:37,787 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:38:37,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39589165] [2022-02-15 03:38:37,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [39589165] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:38:37,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:38:37,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:38:37,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537592515] [2022-02-15 03:38:37,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:38:37,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:38:37,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:38:37,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:38:37,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:38:37,790 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:38:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:38:37,862 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-02-15 03:38:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:38:37,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-15 03:38:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:38:37,863 INFO L225 Difference]: With dead ends: 20 [2022-02-15 03:38:37,864 INFO L226 Difference]: Without dead ends: 15 [2022-02-15 03:38:37,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 03:38:37,868 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:38:37,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 29 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 03:38:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-02-15 03:38:37,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-02-15 03:38:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:38:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-02-15 03:38:37,874 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2022-02-15 03:38:37,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:38:37,874 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-02-15 03:38:37,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:38:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-02-15 03:38:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-15 03:38:37,875 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:38:37,875 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:38:37,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:38:37,875 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:38:37,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:38:37,876 INFO L85 PathProgramCache]: Analyzing trace with hash 193151625, now seen corresponding path program 1 times [2022-02-15 03:38:37,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:38:37,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058165745] [2022-02-15 03:38:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:38:38,045 INFO L262 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-02-15 03:38:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:38:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:38:38,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 03:38:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:38:38,103 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 03:38:38,103 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 03:38:38,105 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 03:38:38,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:38:38,108 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-15 03:38:38,110 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 03:38:38,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 03:38:38 BoogieIcfgContainer [2022-02-15 03:38:38,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 03:38:38,118 INFO L158 Benchmark]: Toolchain (without parser) took 1290.47ms. Allocated memory was 190.8MB in the beginning and 280.0MB in the end (delta: 89.1MB). Free memory was 135.5MB in the beginning and 195.2MB in the end (delta: -59.7MB). Peak memory consumption was 29.9MB. Max. memory is 8.0GB. [2022-02-15 03:38:38,118 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 03:38:38,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.34ms. Allocated memory was 190.8MB in the beginning and 280.0MB in the end (delta: 89.1MB). Free memory was 135.2MB in the beginning and 252.8MB in the end (delta: -117.6MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-02-15 03:38:38,118 INFO L158 Benchmark]: Boogie Preprocessor took 25.89ms. Allocated memory is still 280.0MB. Free memory was 252.8MB in the beginning and 251.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 03:38:38,119 INFO L158 Benchmark]: RCFGBuilder took 254.31ms. Allocated memory is still 280.0MB. Free memory was 250.7MB in the beginning and 239.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-15 03:38:38,119 INFO L158 Benchmark]: TraceAbstraction took 779.93ms. Allocated memory is still 280.0MB. Free memory was 239.2MB in the beginning and 195.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-02-15 03:38:38,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.34ms. Allocated memory was 190.8MB in the beginning and 280.0MB in the end (delta: 89.1MB). Free memory was 135.2MB in the beginning and 252.8MB in the end (delta: -117.6MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.89ms. Allocated memory is still 280.0MB. Free memory was 252.8MB in the beginning and 251.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 254.31ms. Allocated memory is still 280.0MB. Free memory was 250.7MB in the beginning and 239.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 779.93ms. Allocated memory is still 280.0MB. Free memory was 239.2MB in the beginning and 195.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND TRUE i==4 [L26] sn=-10 [L24] i++ [L24] COND FALSE !(i<=n) [L28] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L15] COND TRUE !(cond) [L16] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 32 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 9, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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! [2022-02-15 03:38:38,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...