/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 17:37:43,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 17:37:43,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 17:37:43,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 17:37:43,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 17:37:43,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 17:37:43,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 17:37:43,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 17:37:43,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 17:37:43,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 17:37:43,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 17:37:43,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 17:37:43,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 17:37:43,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 17:37:43,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 17:37:43,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 17:37:43,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 17:37:43,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 17:37:43,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 17:37:43,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 17:37:43,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 17:37:43,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 17:37:43,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 17:37:43,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 17:37:43,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 17:37:43,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 17:37:43,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 17:37:43,219 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 17:37:43,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 17:37:43,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 17:37:43,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 17:37:43,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 17:37:43,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 17:37:43,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 17:37:43,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 17:37:43,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 17:37:43,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:37:43,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 17:37:43,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 17:37:43,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 17:37:43,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 17:37:43,223 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 17:37:43,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 17:37:43,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 17:37:43,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 17:37:43,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 17:37:43,461 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 17:37:43,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_3.i [2022-01-10 17:37:43,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5427478/be36aaf4fab34304a3c0faab679f6cc6/FLAG0c493f3c1 [2022-01-10 17:37:43,913 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 17:37:43,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_3.i [2022-01-10 17:37:43,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5427478/be36aaf4fab34304a3c0faab679f6cc6/FLAG0c493f3c1 [2022-01-10 17:37:43,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5427478/be36aaf4fab34304a3c0faab679f6cc6 [2022-01-10 17:37:43,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 17:37:43,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 17:37:43,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 17:37:43,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 17:37:43,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 17:37:43,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:37:43" (1/1) ... [2022-01-10 17:37:43,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abb66ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:43, skipping insertion in model container [2022-01-10 17:37:43,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:37:43" (1/1) ... [2022-01-10 17:37:43,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 17:37:43,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:37:44,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_3.i[1645,1658] [2022-01-10 17:37:44,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:37:44,115 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 17:37:44,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_3.i[1645,1658] [2022-01-10 17:37:44,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:37:44,139 INFO L208 MainTranslator]: Completed translation [2022-01-10 17:37:44,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44 WrapperNode [2022-01-10 17:37:44,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 17:37:44,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 17:37:44,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 17:37:44,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 17:37:44,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,174 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 17:37:44,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 17:37:44,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 17:37:44,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 17:37:44,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 17:37:44,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 17:37:44,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 17:37:44,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 17:37:44,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 17:37:44,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:37:44,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 17:37:44,240 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 17:37:44,246 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 17:37:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 17:37:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 17:37:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 17:37:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 17:37:44,317 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 17:37:44,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 17:37:44,401 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 17:37:44,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 17:37:44,405 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 17:37:44,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:44 BoogieIcfgContainer [2022-01-10 17:37:44,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 17:37:44,408 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 17:37:44,408 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 17:37:44,409 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 17:37:44,411 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:44" (1/1) ... [2022-01-10 17:37:44,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:37:44 BasicIcfg [2022-01-10 17:37:44,450 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 17:37:44,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 17:37:44,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 17:37:44,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 17:37:44,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:37:43" (1/4) ... [2022-01-10 17:37:44,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370a19d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:37:44, skipping insertion in model container [2022-01-10 17:37:44,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:44" (2/4) ... [2022-01-10 17:37:44,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370a19d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:37:44, skipping insertion in model container [2022-01-10 17:37:44,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:44" (3/4) ... [2022-01-10 17:37:44,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370a19d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:37:44, skipping insertion in model container [2022-01-10 17:37:44,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:37:44" (4/4) ... [2022-01-10 17:37:44,456 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_3.iTransformedIcfg [2022-01-10 17:37:44,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 17:37:44,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 17:37:44,495 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 17:37:44,501 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 17:37:44,502 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 17:37:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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 17:37:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 17:37:44,517 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:37:44,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 17:37:44,518 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:37:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:37:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 17:37:44,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:37:44,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928333630] [2022-01-10 17:37:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:37:44,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:37:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:37:44,700 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 17:37:44,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:37:44,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928333630] [2022-01-10 17:37:44,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928333630] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:37:44,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:37:44,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 17:37:44,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412739329] [2022-01-10 17:37:44,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:37:44,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 17:37:44,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:37:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 17:37:44,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:37:44,744 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:37:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:37:44,754 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 17:37:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 17:37:44,757 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-01-10 17:37:44,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:37:44,774 INFO L225 Difference]: With dead ends: 19 [2022-01-10 17:37:44,774 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 17:37:44,777 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 17:37:44,782 INFO L933 BasicCegarLoop]: 10 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, 10 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 17:37:44,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:37:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 17:37:44,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 17:37:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 17:37:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 17:37:44,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 17:37:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:37:44,808 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 17:37:44,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:37:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 17:37:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 17:37:44,810 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:37:44,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 17:37:44,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 17:37:44,811 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:37:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:37:44,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 17:37:44,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:37:44,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741787504] [2022-01-10 17:37:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:37:44,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:37:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:37:44,849 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 17:37:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:37:44,889 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 17:37:44,890 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 17:37:44,891 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 17:37:44,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 17:37:44,897 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 17:37:44,901 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 17:37:44,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:37:44 BasicIcfg [2022-01-10 17:37:44,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 17:37:44,921 INFO L158 Benchmark]: Toolchain (without parser) took 988.69ms. Allocated memory is still 180.4MB. Free memory was 125.0MB in the beginning and 115.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,921 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 17:37:44,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.40ms. Allocated memory is still 180.4MB. Free memory was 124.7MB in the beginning and 153.4MB in the end (delta: -28.6MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.70ms. Allocated memory is still 180.4MB. Free memory was 153.4MB in the beginning and 151.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,922 INFO L158 Benchmark]: Boogie Preprocessor took 15.79ms. Allocated memory is still 180.4MB. Free memory was 151.8MB in the beginning and 150.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,923 INFO L158 Benchmark]: RCFGBuilder took 214.78ms. Allocated memory is still 180.4MB. Free memory was 150.7MB in the beginning and 141.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,923 INFO L158 Benchmark]: IcfgTransformer took 41.95ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,924 INFO L158 Benchmark]: TraceAbstraction took 469.29ms. Allocated memory is still 180.4MB. Free memory was 138.7MB in the beginning and 115.1MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:44,926 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 180.4MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.40ms. Allocated memory is still 180.4MB. Free memory was 124.7MB in the beginning and 153.4MB in the end (delta: -28.6MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.70ms. Allocated memory is still 180.4MB. Free memory was 153.4MB in the beginning and 151.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.79ms. Allocated memory is still 180.4MB. Free memory was 151.8MB in the beginning and 150.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 214.78ms. Allocated memory is still 180.4MB. Free memory was 150.7MB in the beginning and 141.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 41.95ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 469.29ms. Allocated memory is still 180.4MB. Free memory was 138.7MB in the beginning and 115.1MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. 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: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of fp.gt at line 30, overapproximation of fp.geq at line 36, overapproximation of fp.add at line 34, overapproximation of fp.leq at line 36, overapproximation of fp.lt at line 30. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L36] COND TRUE !(result <= 1.001f && result >= -1.001f) [L37] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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, 10 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, 10 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=11occurred 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 17:37:44,957 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...