/usr/bin/java -ea -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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 06:12:25,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 06:12:25,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 06:12:25,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 06:12:25,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 06:12:25,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 06:12:25,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 06:12:25,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 06:12:25,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 06:12:25,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 06:12:25,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 06:12:25,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 06:12:25,301 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 06:12:25,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 06:12:25,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 06:12:25,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 06:12:25,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 06:12:25,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 06:12:25,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 06:12:25,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 06:12:25,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 06:12:25,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 06:12:25,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 06:12:25,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 06:12:25,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 06:12:25,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 06:12:25,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 06:12:25,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 06:12:25,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 06:12:25,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 06:12:25,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 06:12:25,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 06:12:25,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 06:12:25,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 06:12:25,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 06:12:25,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 06:12:25,333 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 06:12:25,333 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 06:12:25,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 06:12:25,333 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 06:12:25,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 06:12:25,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 06:12:25,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 06:12:25,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 06:12:25,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 06:12:25,545 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 06:12:25,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound5.c [2022-04-08 06:12:25,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31323267/380d5ad6bde84f50907833f452f3864e/FLAG782cfa9e0 [2022-04-08 06:12:25,935 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 06:12:25,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound5.c [2022-04-08 06:12:25,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31323267/380d5ad6bde84f50907833f452f3864e/FLAG782cfa9e0 [2022-04-08 06:12:26,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31323267/380d5ad6bde84f50907833f452f3864e [2022-04-08 06:12:26,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 06:12:26,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 06:12:26,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 06:12:26,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 06:12:26,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 06:12:26,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22069872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26, skipping insertion in model container [2022-04-08 06:12:26,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 06:12:26,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 06:12:26,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2022-04-08 06:12:26,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 06:12:26,725 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 06:12:26,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2022-04-08 06:12:26,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 06:12:26,820 INFO L208 MainTranslator]: Completed translation [2022-04-08 06:12:26,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26 WrapperNode [2022-04-08 06:12:26,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 06:12:26,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 06:12:26,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 06:12:26,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 06:12:26,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 06:12:26,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 06:12:26,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 06:12:26,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 06:12:26,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (1/1) ... [2022-04-08 06:12:26,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 06:12:26,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 06:12:26,932 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) [2022-04-08 06:12:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 06:12:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 06:12:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 06:12:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 06:12:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 06:12:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 06:12:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 06:12:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 06:12:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 06:12:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 06:12:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-04-08 06:12:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 06:12:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 06:12:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 06:12:27,005 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 [2022-04-08 06:12:27,116 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 06:12:27,117 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 06:12:27,331 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 06:12:27,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 06:12:27,336 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 06:12:27,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 06:12:27 BoogieIcfgContainer [2022-04-08 06:12:27,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 06:12:27,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 06:12:27,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 06:12:27,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 06:12:27,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 06:12:26" (1/3) ... [2022-04-08 06:12:27,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f4e875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 06:12:27, skipping insertion in model container [2022-04-08 06:12:27,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 06:12:26" (2/3) ... [2022-04-08 06:12:27,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f4e875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 06:12:27, skipping insertion in model container [2022-04-08 06:12:27,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 06:12:27" (3/3) ... [2022-04-08 06:12:27,380 INFO L111 eAbstractionObserver]: Analyzing ICFG freire2_valuebound5.c [2022-04-08 06:12:27,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 06:12:27,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 06:12:27,477 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 06:12:27,484 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, 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 [2022-04-08 06:12:27,484 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 06:12:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 06:12:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 06:12:27,527 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 06:12:27,529 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 06:12:27,529 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 06:12:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 06:12:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash 326851384, now seen corresponding path program 1 times [2022-04-08 06:12:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 06:12:27,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1172594874] [2022-04-08 06:12:27,569 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 06:12:27,570 INFO L85 PathProgramCache]: Analyzing trace with hash 326851384, now seen corresponding path program 2 times [2022-04-08 06:12:27,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 06:12:27,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897924685] [2022-04-08 06:12:27,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 06:12:27,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 06:12:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 06:12:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 06:12:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 06:12:27,874 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); {34#true} is VALID [2022-04-08 06:12:27,875 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2022-04-08 06:12:27,875 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #69#return; {34#true} is VALID [2022-04-08 06:12:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 06:12:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 06:12:27,887 INFO L290 TraceCheckUtils]: 0: Hoare triple {34#true} ~cond := #in~cond; {34#true} is VALID [2022-04-08 06:12:27,894 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} assume 0 == ~cond;assume false; {35#false} is VALID [2022-04-08 06:12:27,895 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#false} assume true; {35#false} is VALID [2022-04-08 06:12:27,895 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#false} {34#true} #55#return; {35#false} is VALID [2022-04-08 06:12:27,898 INFO L272 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 06:12:27,898 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); {34#true} is VALID [2022-04-08 06:12:27,899 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2022-04-08 06:12:27,899 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #69#return; {34#true} is VALID [2022-04-08 06:12:27,899 INFO L272 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret5 := main(); {34#true} is VALID [2022-04-08 06:12:27,900 INFO L290 TraceCheckUtils]: 5: Hoare triple {34#true} havoc ~r~0;havoc ~a~0;havoc ~x~0;havoc ~s~0;~a~0 := #t~nondet4;havoc #t~nondet4; {34#true} is VALID [2022-04-08 06:12:27,900 INFO L272 TraceCheckUtils]: 6: Hoare triple {34#true} call assume_abort_if_not((if ~someBinaryDOUBLEComparisonOperation(~a~0, ~convertINTToDOUBLE(0)) && ~someBinaryDOUBLEComparisonOperation(~a~0, ~convertINTToDOUBLE(5)) then 1 else 0)); {34#true} is VALID [2022-04-08 06:12:27,900 INFO L290 TraceCheckUtils]: 7: Hoare triple {34#true} ~cond := #in~cond; {34#true} is VALID [2022-04-08 06:12:27,901 INFO L290 TraceCheckUtils]: 8: Hoare triple {34#true} assume 0 == ~cond;assume false; {35#false} is VALID [2022-04-08 06:12:27,901 INFO L290 TraceCheckUtils]: 9: Hoare triple {35#false} assume true; {35#false} is VALID [2022-04-08 06:12:27,901 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {35#false} {34#true} #55#return; {35#false} is VALID [2022-04-08 06:12:27,901 INFO L290 TraceCheckUtils]: 11: Hoare triple {35#false} ~x~0 := ~a~0;~s~0 := 3.25;~r~0 := 1; {35#false} is VALID [2022-04-08 06:12:27,902 INFO L290 TraceCheckUtils]: 12: Hoare triple {35#false} assume false; {35#false} is VALID [2022-04-08 06:12:27,903 INFO L272 TraceCheckUtils]: 13: Hoare triple {35#false} call __VERIFIER_assert((if 1 == ~convertDOUBLEToINT(~someBinaryArithmeticDOUBLEoperation(~convertINTToDOUBLE(4), ~s~0)) - 12 * ~r~0 * ~r~0 then 1 else 0)); {35#false} is VALID [2022-04-08 06:12:27,919 INFO L290 TraceCheckUtils]: 14: Hoare triple {35#false} ~cond := #in~cond; {35#false} is VALID [2022-04-08 06:12:27,921 INFO L290 TraceCheckUtils]: 15: Hoare triple {35#false} assume 0 == ~cond; {35#false} is VALID [2022-04-08 06:12:27,921 INFO L290 TraceCheckUtils]: 16: Hoare triple {35#false} assume !false; {35#false} is VALID [2022-04-08 06:12:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 06:12:27,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 06:12:27,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897924685] [2022-04-08 06:12:27,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897924685] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 06:12:27,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 06:12:27,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 06:12:27,925 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 06:12:27,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1172594874] [2022-04-08 06:12:27,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1172594874] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 06:12:27,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 06:12:27,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 06:12:27,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182376596] [2022-04-08 06:12:27,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 06:12:27,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-08 06:12:27,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 06:12:27,936 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 06:12:27,978 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 06:12:27,978 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 06:12:27,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 06:12:28,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 06:12:28,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 06:12:28,019 INFO L87 Difference]: Start difference. First operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 06:12:28,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 06:12:28,235 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2022-04-08 06:12:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 06:12:28,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-08 06:12:28,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 06:12:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 06:12:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2022-04-08 06:12:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 06:12:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2022-04-08 06:12:28,282 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 76 transitions. [2022-04-08 06:12:28,429 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 06:12:28,434 INFO L225 Difference]: With dead ends: 53 [2022-04-08 06:12:28,435 INFO L226 Difference]: Without dead ends: 26 [2022-04-08 06:12:28,437 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 06:12:28,442 INFO L913 BasicCegarLoop]: 29 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 06:12:28,444 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 06:12:28,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-08 06:12:28,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-08 06:12:28,486 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 06:12:28,487 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 06:12:28,487 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 06:12:28,487 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 06:12:28,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 06:12:28,511 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-04-08 06:12:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-08 06:12:28,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 06:12:28,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 06:12:28,512 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 26 states. [2022-04-08 06:12:28,512 INFO L87 Difference]: Start difference. First operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 26 states. [2022-04-08 06:12:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 06:12:28,515 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-04-08 06:12:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-08 06:12:28,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 06:12:28,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 06:12:28,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 06:12:28,516 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 06:12:28,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 06:12:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-04-08 06:12:28,519 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 17 [2022-04-08 06:12:28,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 06:12:28,520 INFO L478 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-04-08 06:12:28,520 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 06:12:28,520 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 31 transitions. [2022-04-08 06:12:28,575 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 06:12:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-08 06:12:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 06:12:28,576 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 06:12:28,576 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 06:12:28,576 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 06:12:28,577 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 06:12:28,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 06:12:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1008578050, now seen corresponding path program 1 times [2022-04-08 06:12:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 06:12:28,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [85247821] [2022-04-08 06:12:28,584 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 06:12:28,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1008578050, now seen corresponding path program 2 times [2022-04-08 06:12:28,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 06:12:28,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444177893] [2022-04-08 06:12:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 06:12:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 06:12:28,636 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 06:12:28,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690045764] [2022-04-08 06:12:28,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 06:12:28,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 06:12:28,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 06:12:28,672 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) [2022-04-08 06:12:28,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 06:12:28,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-08 06:12:28,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-08 06:12:28,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-08 06:12:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-08 06:12:28,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-08 06:12:28,760 INFO L130 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found a feasible trace [2022-04-08 06:12:28,761 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-08 06:12:28,764 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 06:12:28,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 06:12:28,982 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 06:12:28,996 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 06:12:28,998 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-08 06:12:29,004 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-04-08 06:12:29,005 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-08 06:12:29,006 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-08 06:12:29,007 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-08 06:12:29,007 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2022-04-08 06:12:29,007 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-08 06:12:29,007 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-08 06:12:29,007 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 06:12:29,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 06:12:29 BoogieIcfgContainer [2022-04-08 06:12:29,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 06:12:29,008 INFO L158 Benchmark]: Toolchain (without parser) took 2658.55ms. Allocated memory was 181.4MB in the beginning and 231.7MB in the end (delta: 50.3MB). Free memory was 127.0MB in the beginning and 196.7MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 06:12:29,009 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 06:12:29,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.89ms. Allocated memory was 181.4MB in the beginning and 231.7MB in the end (delta: 50.3MB). Free memory was 126.8MB in the beginning and 203.7MB in the end (delta: -76.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-08 06:12:29,009 INFO L158 Benchmark]: Boogie Preprocessor took 62.03ms. Allocated memory is still 231.7MB. Free memory was 203.3MB in the beginning and 202.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-08 06:12:29,010 INFO L158 Benchmark]: RCFGBuilder took 453.11ms. Allocated memory is still 231.7MB. Free memory was 202.0MB in the beginning and 190.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-08 06:12:29,010 INFO L158 Benchmark]: TraceAbstraction took 1668.80ms. Allocated memory is still 231.7MB. Free memory was 190.4MB in the beginning and 196.7MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 06:12:29,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 461.89ms. Allocated memory was 181.4MB in the beginning and 231.7MB in the end (delta: 50.3MB). Free memory was 126.8MB in the beginning and 203.7MB in the end (delta: -76.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.03ms. Allocated memory is still 231.7MB. Free memory was 203.3MB in the beginning and 202.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 453.11ms. Allocated memory is still 231.7MB. Free memory was 202.0MB in the beginning and 190.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1668.80ms. Allocated memory is still 231.7MB. Free memory was 190.4MB in the beginning and 196.7MB in the end (delta: -6.3MB). 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 - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=5) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=5) [L29] x = a [L30] s = 3.25 [L31] r = 1 [L33] COND TRUE 1 [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) [L17] COND TRUE !(cond) [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 29 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 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 could not prove your program: unable to determine feasibility of some traces [2022-04-08 06:12:29,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...