/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0480.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:47:32,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:47:32,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:47:32,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 00:47:32,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 00:47:32,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:47:32,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:47:32,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:47:32,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:47:32,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:47:32,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:47:32,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:47:32,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:47:32,935 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:47:32,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:47:32,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:47:32,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:47:32,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:47:32,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:47:32,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:47:32,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:47:32,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:47:32,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:47:32,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:47:32,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:47:32,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:47:32,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:47:32,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:47:32,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:47:32,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:47:33,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:47:33,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:47:33,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:47:33,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:47:33,159 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:47:33,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0480.c [2022-01-10 00:47:33,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c04021b/f06b4ad5ed7c4eaa9438865a5b168fa9/FLAG054f68723 [2022-01-10 00:47:33,586 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:47:33,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0480.c [2022-01-10 00:47:33,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c04021b/f06b4ad5ed7c4eaa9438865a5b168fa9/FLAG054f68723 [2022-01-10 00:47:33,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c04021b/f06b4ad5ed7c4eaa9438865a5b168fa9 [2022-01-10 00:47:33,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:47:33,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:47:33,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:47:34,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:47:34,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:47:34,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:47:33" (1/1) ... [2022-01-10 00:47:34,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e0b8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34, skipping insertion in model container [2022-01-10 00:47:34,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:47:33" (1/1) ... [2022-01-10 00:47:34,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:47:34,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:47:34,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0480.c[5882,5895] [2022-01-10 00:47:34,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:47:34,232 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:47:34,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0480.c[5882,5895] [2022-01-10 00:47:34,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:47:34,295 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:47:34,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34 WrapperNode [2022-01-10 00:47:34,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:47:34,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:47:34,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:47:34,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:47:34,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,367 INFO L137 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2022-01-10 00:47:34,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:47:34,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:47:34,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:47:34,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:47:34,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:47:34,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:47:34,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:47:34,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:47:34,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (1/1) ... [2022-01-10 00:47:34,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:47:34,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:47:34,460 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) [2022-01-10 00:47:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:47:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:47:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 00:47:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-10 00:47:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 00:47:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2022-01-10 00:47:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2022-01-10 00:47:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-10 00:47:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:47:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:47:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 00:47:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 00:47:34,491 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 [2022-01-10 00:47:34,613 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:47:34,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:47:35,003 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:47:35,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:47:35,010 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-01-10 00:47:35,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:47:35 BoogieIcfgContainer [2022-01-10 00:47:35,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:47:35,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:47:35,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:47:35,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:47:35,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:47:33" (1/3) ... [2022-01-10 00:47:35,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1c23d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:47:35, skipping insertion in model container [2022-01-10 00:47:35,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:47:34" (2/3) ... [2022-01-10 00:47:35,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1c23d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:47:35, skipping insertion in model container [2022-01-10 00:47:35,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:47:35" (3/3) ... [2022-01-10 00:47:35,018 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2022-01-10 00:47:35,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:47:35,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:47:35,061 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:47:35,067 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 00:47:35,067 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:47:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 70 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 00:47:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 00:47:35,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:47:35,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:47:35,087 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:47:35,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:47:35,091 INFO L85 PathProgramCache]: Analyzing trace with hash 807618303, now seen corresponding path program 1 times [2022-01-10 00:47:35,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:47:35,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687733715] [2022-01-10 00:47:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:47:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:47:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:47:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:47:35,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:47:35,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687733715] [2022-01-10 00:47:35,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687733715] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:47:35,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:47:35,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:47:35,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040363644] [2022-01-10 00:47:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:47:35,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 00:47:35,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:47:35,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 00:47:35,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 00:47:35,265 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 70 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:47:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:47:35,297 INFO L93 Difference]: Finished difference Result 146 states and 236 transitions. [2022-01-10 00:47:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 00:47:35,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-01-10 00:47:35,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:47:35,307 INFO L225 Difference]: With dead ends: 146 [2022-01-10 00:47:35,307 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 00:47:35,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 00:47:35,314 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:47:35,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 00:47:35,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 00:47:35,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 00:47:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 00:47:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2022-01-10 00:47:35,359 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 11 [2022-01-10 00:47:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:47:35,360 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2022-01-10 00:47:35,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:47:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-01-10 00:47:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 00:47:35,361 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:47:35,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:47:35,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:47:35,362 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:47:35,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:47:35,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1074834118, now seen corresponding path program 1 times [2022-01-10 00:47:35,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:47:35,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478246635] [2022-01-10 00:47:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:47:35,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:47:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 00:47:35,421 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 00:47:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 00:47:35,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 00:47:35,490 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 00:47:35,492 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:47:35,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:47:35,499 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 00:47:35,501 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:47:35,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:47:35 BoogieIcfgContainer [2022-01-10 00:47:35,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:47:35,546 INFO L158 Benchmark]: Toolchain (without parser) took 1550.41ms. Allocated memory is still 188.7MB. Free memory was 137.5MB in the beginning and 108.8MB in the end (delta: 28.7MB). Peak memory consumption was 27.9MB. Max. memory is 8.0GB. [2022-01-10 00:47:35,547 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:47:35,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.25ms. Allocated memory is still 188.7MB. Free memory was 137.2MB in the beginning and 160.7MB in the end (delta: -23.4MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-01-10 00:47:35,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.31ms. Allocated memory is still 188.7MB. Free memory was 160.7MB in the beginning and 158.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 00:47:35,548 INFO L158 Benchmark]: Boogie Preprocessor took 43.88ms. Allocated memory is still 188.7MB. Free memory was 158.6MB in the beginning and 156.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 00:47:35,548 INFO L158 Benchmark]: RCFGBuilder took 598.57ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 137.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 00:47:35,549 INFO L158 Benchmark]: TraceAbstraction took 533.14ms. Allocated memory is still 188.7MB. Free memory was 136.5MB in the beginning and 108.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 00:47:35,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 296.25ms. Allocated memory is still 188.7MB. Free memory was 137.2MB in the beginning and 160.7MB in the end (delta: -23.4MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.31ms. Allocated memory is still 188.7MB. Free memory was 160.7MB in the beginning and 158.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.88ms. Allocated memory is still 188.7MB. Free memory was 158.6MB in the beginning and 156.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 598.57ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 137.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 533.14ms. Allocated memory is still 188.7MB. Free memory was 136.5MB in the beginning and 108.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. 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: 239]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 165, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 238. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L234] double x = 1.0; [L235] CALL, EXPR __ieee754_acos(x) [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L161] ieee_double_shape_type gh_u; [L162] gh_u.value = (x) [L163] EXPR gh_u.parts.msw [L163] (hx) = gh_u.parts.msw [L165] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=-1, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L166] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=1, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L181] COND TRUE ix < 0x3fe00000 VAL [\old(x)=1, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L182] COND TRUE ix <= 0x3c600000 [L183] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=1, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L235] RET, EXPR __ieee754_acos(x) [L235] double res = __ieee754_acos(x); [L238] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=4294967296, res == 0.0 && __signbit_double(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L238] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L239] reach_error() VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=4294967296, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 101 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-10 00:47:35,581 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...