/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/freire1_valuebound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 06:05:49,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 06:05:49,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 06:05:50,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-28 06:05:50,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 06:05:50,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 06:05:50,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 06:05:50,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 06:05:50,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 06:05:50,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 06:05:50,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 06:05:50,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 06:05:50,041 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 06:05:50,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 06:05:50,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 06:05:50,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 06:05:50,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 06:05:50,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-28 06:05:50,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 06:05:50,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 06:05:50,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 06:05:50,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-28 06:05:50,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 06:05:50,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 06:05:50,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 06:05:50,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-28 06:05:50,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 06:05:50,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-28 06:05:50,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 06:05:50,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 06:05:50,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 06:05:50,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 06:05:50,079 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-28 06:05:50,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 06:05:50,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 06:05:50,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 06:05:50,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 06:05:50,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 06:05:50,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 06:05:50,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 06:05:50,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 06:05:50,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 06:05:50,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 06:05:50,080 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 06:05:50,080 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 06:05:50,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 06:05:50,081 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-28 06:05:50,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 06:05:50,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 06:05:50,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 06:05:50,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 06:05:50,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 06:05:50,346 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 06:05:50,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire1_valuebound5.c [2022-04-28 06:05:50,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3266a3e22/63af15a345944fc8bdcfe7777543de47/FLAG25ba03663 [2022-04-28 06:05:50,794 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 06:05:50,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire1_valuebound5.c [2022-04-28 06:05:50,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3266a3e22/63af15a345944fc8bdcfe7777543de47/FLAG25ba03663 [2022-04-28 06:05:51,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3266a3e22/63af15a345944fc8bdcfe7777543de47 [2022-04-28 06:05:51,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 06:05:51,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 06:05:51,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 06:05:51,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 06:05:51,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 06:05:51,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca15312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51, skipping insertion in model container [2022-04-28 06:05:51,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 06:05:51,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 06:05:51,380 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/freire1_valuebound5.c[712,725] [2022-04-28 06:05:51,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 06:05:51,413 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 06:05:51,425 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/freire1_valuebound5.c[712,725] [2022-04-28 06:05:51,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 06:05:51,449 INFO L208 MainTranslator]: Completed translation [2022-04-28 06:05:51,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51 WrapperNode [2022-04-28 06:05:51,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 06:05:51,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 06:05:51,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 06:05:51,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 06:05:51,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 06:05:51,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 06:05:51,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 06:05:51,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 06:05:51,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (1/1) ... [2022-04-28 06:05:51,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 06:05:51,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 06:05:51,524 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) [2022-04-28 06:05:51,550 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 [2022-04-28 06:05:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 06:05:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 06:05:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 06:05:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 06:05:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 06:05:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 06:05:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 06:05:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 06:05:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 06:05:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 06:05:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-04-28 06:05:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 06:05:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 06:05:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 06:05:51,628 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 06:05:51,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 06:05:51,774 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 06:05:51,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 06:05:51,780 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-28 06:05:51,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:05:51 BoogieIcfgContainer [2022-04-28 06:05:51,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 06:05:51,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 06:05:51,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 06:05:51,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 06:05:51,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:05:51" (1/3) ... [2022-04-28 06:05:51,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d73ece1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:05:51, skipping insertion in model container [2022-04-28 06:05:51,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:05:51" (2/3) ... [2022-04-28 06:05:51,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d73ece1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:05:51, skipping insertion in model container [2022-04-28 06:05:51,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:05:51" (3/3) ... [2022-04-28 06:05:51,806 INFO L111 eAbstractionObserver]: Analyzing ICFG freire1_valuebound5.c [2022-04-28 06:05:51,818 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 06:05:51,819 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 06:05:51,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 06:05:51,908 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@da9a9e0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@56a558ee [2022-04-28 06:05:51,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 06:05:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 06:05:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-28 06:05:51,928 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 06:05:51,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 06:05:51,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 06:05:51,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 06:05:51,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1914087080, now seen corresponding path program 1 times [2022-04-28 06:05:51,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 06:05:51,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1413609388] [2022-04-28 06:05:51,958 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 06:05:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1914087080, now seen corresponding path program 2 times [2022-04-28 06:05:51,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 06:05:51,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643809607] [2022-04-28 06:05:51,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 06:05:51,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 06:05:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 06:05:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 06:05:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 06:05:52,146 INFO L290 TraceCheckUtils]: 0: Hoare triple {39#(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); {30#true} is VALID [2022-04-28 06:05:52,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {30#true} assume true; {30#true} is VALID [2022-04-28 06:05:52,147 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {30#true} {30#true} #57#return; {30#true} is VALID [2022-04-28 06:05:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-28 06:05:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 06:05:52,160 INFO L290 TraceCheckUtils]: 0: Hoare triple {30#true} ~cond := #in~cond; {30#true} is VALID [2022-04-28 06:05:52,161 INFO L290 TraceCheckUtils]: 1: Hoare triple {30#true} assume 0 == ~cond;assume false; {31#false} is VALID [2022-04-28 06:05:52,161 INFO L290 TraceCheckUtils]: 2: Hoare triple {31#false} assume true; {31#false} is VALID [2022-04-28 06:05:52,161 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31#false} {30#true} #51#return; {31#false} is VALID [2022-04-28 06:05:52,162 INFO L272 TraceCheckUtils]: 0: Hoare triple {30#true} call ULTIMATE.init(); {39#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 06:05:52,163 INFO L290 TraceCheckUtils]: 1: Hoare triple {39#(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); {30#true} is VALID [2022-04-28 06:05:52,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {30#true} assume true; {30#true} is VALID [2022-04-28 06:05:52,164 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30#true} {30#true} #57#return; {30#true} is VALID [2022-04-28 06:05:52,164 INFO L272 TraceCheckUtils]: 4: Hoare triple {30#true} call #t~ret5 := main(); {30#true} is VALID [2022-04-28 06:05:52,164 INFO L290 TraceCheckUtils]: 5: Hoare triple {30#true} havoc ~r~0;havoc ~a~0;havoc ~x~0;~a~0 := #t~nondet4;havoc #t~nondet4; {30#true} is VALID [2022-04-28 06:05:52,165 INFO L272 TraceCheckUtils]: 6: Hoare triple {30#true} call assume_abort_if_not((if ~someBinaryDOUBLEComparisonOperation(~a~0, ~convertINTToDOUBLE(0)) && ~someBinaryDOUBLEComparisonOperation(~a~0, ~convertINTToDOUBLE(5)) then 1 else 0)); {30#true} is VALID [2022-04-28 06:05:52,165 INFO L290 TraceCheckUtils]: 7: Hoare triple {30#true} ~cond := #in~cond; {30#true} is VALID [2022-04-28 06:05:52,165 INFO L290 TraceCheckUtils]: 8: Hoare triple {30#true} assume 0 == ~cond;assume false; {31#false} is VALID [2022-04-28 06:05:52,166 INFO L290 TraceCheckUtils]: 9: Hoare triple {31#false} assume true; {31#false} is VALID [2022-04-28 06:05:52,166 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {31#false} {30#true} #51#return; {31#false} is VALID [2022-04-28 06:05:52,166 INFO L290 TraceCheckUtils]: 11: Hoare triple {31#false} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(~a~0, 2.0);~r~0 := 0; {31#false} is VALID [2022-04-28 06:05:52,167 INFO L290 TraceCheckUtils]: 12: Hoare triple {31#false} assume false; {31#false} is VALID [2022-04-28 06:05:52,168 INFO L272 TraceCheckUtils]: 13: Hoare triple {31#false} call __VERIFIER_assert((if 0 == ~convertDOUBLEToINT(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~convertINTToDOUBLE(~r~0 * ~r~0), ~a~0), ~convertINTToDOUBLE(~r~0)), ~someBinaryArithmeticDOUBLEoperation(~convertINTToDOUBLE(2), ~x~0))) then 1 else 0)); {31#false} is VALID [2022-04-28 06:05:52,168 INFO L290 TraceCheckUtils]: 14: Hoare triple {31#false} ~cond := #in~cond; {31#false} is VALID [2022-04-28 06:05:52,168 INFO L290 TraceCheckUtils]: 15: Hoare triple {31#false} assume 0 == ~cond; {31#false} is VALID [2022-04-28 06:05:52,168 INFO L290 TraceCheckUtils]: 16: Hoare triple {31#false} assume !false; {31#false} is VALID [2022-04-28 06:05:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 06:05:52,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 06:05:52,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643809607] [2022-04-28 06:05:52,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643809607] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 06:05:52,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 06:05:52,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 06:05:52,173 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 06:05:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1413609388] [2022-04-28 06:05:52,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1413609388] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 06:05:52,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 06:05:52,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 06:05:52,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243992737] [2022-04-28 06:05:52,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 06:05:52,179 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 [2022-04-28 06:05:52,180 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 06:05:52,183 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) [2022-04-28 06:05:52,212 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 06:05:52,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 06:05:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 06:05:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 06:05:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 06:05:52,238 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) 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) [2022-04-28 06:05:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 06:05:52,353 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-04-28 06:05:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 06:05:52,353 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 [2022-04-28 06:05:52,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 06:05:52,355 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) [2022-04-28 06:05:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2022-04-28 06:05:52,366 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) [2022-04-28 06:05:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2022-04-28 06:05:52,369 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 56 transitions. [2022-04-28 06:05:52,434 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 06:05:52,441 INFO L225 Difference]: With dead ends: 45 [2022-04-28 06:05:52,442 INFO L226 Difference]: Without dead ends: 22 [2022-04-28 06:05:52,444 INFO L412 NwaCegarLoop]: 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 [2022-04-28 06:05:52,447 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 06:05:52,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 28 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 06:05:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-04-28 06:05:52,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-04-28 06:05:52,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 06:05:52,503 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 06:05:52,503 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 06:05:52,504 INFO L87 Difference]: Start difference. First operand 22 states. Second operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 06:05:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 06:05:52,507 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-04-28 06:05:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-04-28 06:05:52,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 06:05:52,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 06:05:52,508 INFO L74 IsIncluded]: Start isIncluded. First operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 22 states. [2022-04-28 06:05:52,508 INFO L87 Difference]: Start difference. First operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 22 states. [2022-04-28 06:05:52,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 06:05:52,511 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-04-28 06:05:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-04-28 06:05:52,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 06:05:52,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 06:05:52,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 06:05:52,512 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 06:05:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 06:05:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-04-28 06:05:52,515 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2022-04-28 06:05:52,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 06:05:52,515 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-04-28 06:05:52,516 INFO L496 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) [2022-04-28 06:05:52,516 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 23 transitions. [2022-04-28 06:05:52,554 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 06:05:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-04-28 06:05:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-28 06:05:52,555 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 06:05:52,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 06:05:52,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 06:05:52,555 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 06:05:52,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 06:05:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1699034386, now seen corresponding path program 1 times [2022-04-28 06:05:52,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 06:05:52,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1759772267] [2022-04-28 06:05:52,557 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 06:05:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1699034386, now seen corresponding path program 2 times [2022-04-28 06:05:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 06:05:52,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959352210] [2022-04-28 06:05:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 06:05:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 06:05:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 06:05:52,574 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 06:05:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 06:05:52,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 06:05:52,599 INFO L130 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found a feasible trace [2022-04-28 06:05:52,599 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-28 06:05:52,602 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-28 06:05:52,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-28 06:05:52,606 INFO L356 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-28 06:05:52,609 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-28 06:05:52,623 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-28 06:05:52,623 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-28 06:05:52,623 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-28 06:05:52,623 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-28 06:05:52,623 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-28 06:05:52,623 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-28 06:05:52,624 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-28 06:05:52,624 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-28 06:05:52,624 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2022-04-28 06:05:52,625 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2022-04-28 06:05:52,626 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2022-04-28 06:05:52,627 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-04-28 06:05:52,627 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-04-28 06:05:52,627 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-04-28 06:05:52,627 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-28 06:05:52,627 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-28 06:05:52,627 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. [2022-04-28 06:05:52,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:05:52 BoogieIcfgContainer [2022-04-28 06:05:52,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-28 06:05:52,630 INFO L158 Benchmark]: Toolchain (without parser) took 1415.45ms. Allocated memory is still 182.5MB. Free memory was 136.0MB in the beginning and 103.8MB in the end (delta: 32.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2022-04-28 06:05:52,631 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 06:05:52,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.23ms. Allocated memory is still 182.5MB. Free memory was 135.8MB in the beginning and 160.8MB in the end (delta: -24.9MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-04-28 06:05:52,635 INFO L158 Benchmark]: Boogie Preprocessor took 43.81ms. Allocated memory is still 182.5MB. Free memory was 160.8MB in the beginning and 159.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-28 06:05:52,636 INFO L158 Benchmark]: RCFGBuilder took 292.73ms. Allocated memory is still 182.5MB. Free memory was 159.3MB in the beginning and 148.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-28 06:05:52,636 INFO L158 Benchmark]: TraceAbstraction took 837.72ms. Allocated memory is still 182.5MB. Free memory was 148.2MB in the beginning and 103.8MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-04-28 06:05:52,645 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 0.12ms. Allocated memory is still 182.5MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.23ms. Allocated memory is still 182.5MB. Free memory was 135.8MB in the beginning and 160.8MB in the end (delta: -24.9MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.81ms. Allocated memory is still 182.5MB. Free memory was 160.8MB in the beginning and 159.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 292.73ms. Allocated memory is still 182.5MB. Free memory was 159.3MB in the beginning and 148.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 837.72ms. Allocated memory is still 182.5MB. Free memory was 148.2MB in the beginning and 103.8MB in the end (delta: 44.4MB). 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 - 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 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29. Possible FailurePath: [L25] int r; [L26] double a, x; [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 / 2.0 [L30] r = 0 [L32] COND TRUE 1 [L33] CALL __VERIFIER_assert((int)(r*r - a - r + 2*x) == 0) [L17] COND TRUE !(cond) [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 25 mSDtfsCounter, 5 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=27occurred 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: 0.1s 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 [2022-04-28 06:05:52,677 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...