/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-benchs/cos_polynomial.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:38:54,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:38:54,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:38:54,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:38:54,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:38:54,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:38:54,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:38:54,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:38:54,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:38:54,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:38:54,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:38:54,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:38:54,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:38:54,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:38:54,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:38:54,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:38:54,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:38:54,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:38:54,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:38:54,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:38:54,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:38:54,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:38:54,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:38:54,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:38:54,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:38:54,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:38:54,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:38:54,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:38:54,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:38:54,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:38:54,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:38:54,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:38:54,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:38:54,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:38:54,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:38:54,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:38:54,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:38:54,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:38:54,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:38:54,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:38:54,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:38:54,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:38:54,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:38:54,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:38:54,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:38:54,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:38:54,323 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:38:54,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:38:54,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:38:54,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:38:54,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:38:54,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:38:54,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:38:54,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:38:54,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:38:54,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:38:54,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:38:54,324 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:38:54,325 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:38:54,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:38:54,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:38:54,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:38:54,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:38:54,491 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:38:54,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cos_polynomial.c [2022-01-31 16:38:54,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d73f353e/721c7914f98c4dec9af1bacee9c219d4/FLAG437ebb9f3 [2022-01-31 16:38:54,905 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:38:54,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cos_polynomial.c [2022-01-31 16:38:54,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d73f353e/721c7914f98c4dec9af1bacee9c219d4/FLAG437ebb9f3 [2022-01-31 16:38:54,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d73f353e/721c7914f98c4dec9af1bacee9c219d4 [2022-01-31 16:38:54,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:38:54,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:38:54,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:38:54,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:38:54,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:38:54,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:38:54" (1/1) ... [2022-01-31 16:38:54,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b28a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:54, skipping insertion in model container [2022-01-31 16:38:54,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:38:54" (1/1) ... [2022-01-31 16:38:54,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:38:54,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:38:55,066 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-benchs/cos_polynomial.c[619,632] [2022-01-31 16:38:55,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:38:55,084 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:38:55,092 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-benchs/cos_polynomial.c[619,632] [2022-01-31 16:38:55,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:38:55,105 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:38:55,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55 WrapperNode [2022-01-31 16:38:55,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:38:55,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:38:55,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:38:55,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:38:55,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:38:55,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:38:55,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:38:55,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:38:55,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:38:55,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:38:55,172 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) [2022-01-31 16:38:55,189 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 [2022-01-31 16:38:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:38:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:38:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:38:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 16:38:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 16:38:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mcos [2022-01-31 16:38:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:38:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:38:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:38:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:38:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:38:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 16:38:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 16:38:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 16:38:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure mcos [2022-01-31 16:38:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:38:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:38:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:38:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:38:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:38:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:38:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:38:55,286 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:38:55,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:38:55,419 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:38:55,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:38:55,423 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 16:38:55,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:38:55 BoogieIcfgContainer [2022-01-31 16:38:55,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:38:55,425 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:38:55,425 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:38:55,429 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:38:55,431 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:38:55" (1/1) ... [2022-01-31 16:38:55,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:38:55 BasicIcfg [2022-01-31 16:38:55,454 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:38:55,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:38:55,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:38:55,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:38:55,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:38:54" (1/4) ... [2022-01-31 16:38:55,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746b1248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:38:55, skipping insertion in model container [2022-01-31 16:38:55,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:55" (2/4) ... [2022-01-31 16:38:55,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746b1248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:38:55, skipping insertion in model container [2022-01-31 16:38:55,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:38:55" (3/4) ... [2022-01-31 16:38:55,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746b1248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:38:55, skipping insertion in model container [2022-01-31 16:38:55,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:38:55" (4/4) ... [2022-01-31 16:38:55,462 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.cJordan [2022-01-31 16:38:55,467 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:38:55,467 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:38:55,508 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:38:55,516 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 16:38:55,516 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:38:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 16:38:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 16:38:55,543 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:38:55,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:38:55,544 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:38:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:38:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash -466495053, now seen corresponding path program 1 times [2022-01-31 16:38:55,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:38:55,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837785286] [2022-01-31 16:38:55,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:38:55,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:38:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:38:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:38:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:38:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:38:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:38:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-31 16:38:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:38:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:38:55,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:38:55,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837785286] [2022-01-31 16:38:55,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837785286] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:38:55,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:38:55,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 16:38:55,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502700352] [2022-01-31 16:38:55,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:38:55,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 16:38:55,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:38:55,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 16:38:55,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 16:38:55,822 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 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 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 16:38:55,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:38:55,865 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2022-01-31 16:38:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 16:38:55,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-01-31 16:38:55,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:38:55,872 INFO L225 Difference]: With dead ends: 33 [2022-01-31 16:38:55,872 INFO L226 Difference]: Without dead ends: 26 [2022-01-31 16:38:55,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 16:38:55,876 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 35 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 [2022-01-31 16:38:55,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 35 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 16:38:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-01-31 16:38:55,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-01-31 16:38:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:38:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-01-31 16:38:55,902 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 23 [2022-01-31 16:38:55,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:38:55,903 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-01-31 16:38:55,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 16:38:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-01-31 16:38:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 16:38:55,905 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:38:55,905 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:38:55,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:38:55,906 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:38:55,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:38:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1041056756, now seen corresponding path program 1 times [2022-01-31 16:38:55,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:38:55,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943875379] [2022-01-31 16:38:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:38:55,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:38:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:38:55,947 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:38:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:38:55,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:38:55,990 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:38:55,992 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:38:55,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:38:55,996 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:38:55,999 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:38:56,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:38:56 BasicIcfg [2022-01-31 16:38:56,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:38:56,030 INFO L158 Benchmark]: Toolchain (without parser) took 1106.84ms. Allocated memory was 209.7MB in the beginning and 256.9MB in the end (delta: 47.2MB). Free memory was 154.3MB in the beginning and 184.7MB in the end (delta: -30.4MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2022-01-31 16:38:56,030 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 209.7MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:38:56,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.84ms. Allocated memory was 209.7MB in the beginning and 256.9MB in the end (delta: 47.2MB). Free memory was 154.2MB in the beginning and 227.6MB in the end (delta: -73.4MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-01-31 16:38:56,033 INFO L158 Benchmark]: Boogie Preprocessor took 20.12ms. Allocated memory is still 256.9MB. Free memory was 227.6MB in the beginning and 226.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 16:38:56,035 INFO L158 Benchmark]: RCFGBuilder took 298.39ms. Allocated memory is still 256.9MB. Free memory was 226.1MB in the beginning and 215.1MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-31 16:38:56,035 INFO L158 Benchmark]: IcfgTransformer took 29.14ms. Allocated memory is still 256.9MB. Free memory was 215.1MB in the beginning and 214.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 16:38:56,035 INFO L158 Benchmark]: TraceAbstraction took 572.40ms. Allocated memory is still 256.9MB. Free memory was 213.0MB in the beginning and 184.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-01-31 16:38:56,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 209.7MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.84ms. Allocated memory was 209.7MB in the beginning and 256.9MB in the end (delta: 47.2MB). Free memory was 154.2MB in the beginning and 227.6MB in the end (delta: -73.4MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.12ms. Allocated memory is still 256.9MB. Free memory was 227.6MB in the beginning and 226.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 298.39ms. Allocated memory is still 256.9MB. Free memory was 226.1MB in the beginning and 215.1MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 29.14ms. Allocated memory is still 256.9MB. Free memory was 215.1MB in the beginning and 214.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 572.40ms. Allocated memory is still 256.9MB. Free memory was 213.0MB in the beginning and 184.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. 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: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; VAL [\old(C1)=53, \old(C2)=51, \old(C3)=57, \old(C4)=58, \old(C5)=55, \old(C6)=50, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(a >= -0.5 && a <= 0.75) VAL [\old(cond)=1, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L12] COND FALSE !(!cond) VAL [\old(cond)=1, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=1] [L52] RET assume_abort_if_not(a >= -0.5 && a <= 0.75) VAL [a=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L54] CALL, EXPR mcos(a) VAL [\old(x)=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L25] double a, hz, z, r, qx, zr; [L26] z = x*x VAL [\old(x)=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, x=52] [L27] COND TRUE x < 0. [L27] x = -x VAL [\old(x)=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r VAL [\old(x)=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L31] COND TRUE x < 0.3 [L32] return 1.-(hz-zr); VAL [\old(x)=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L54] RET, EXPR mcos(a) VAL [a=52, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, mcos(a)=54] [L54] r = mcos(a) [L56] CALL __VERIFIER_assert(r >= 0. && r <= 1.1) VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L14] COND TRUE !(cond) VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] [L14] reach_error() VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 35 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, 32 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 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 [2022-01-31 16:38:56,067 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...