/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0683a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:58:56,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:58:56,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:58:56,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:58:56,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:58:56,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:58:56,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:58:56,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:58:56,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:58:56,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:58:56,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:58:56,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:58:56,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:58:56,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:58:56,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:58:56,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:58:56,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:58:56,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:58:56,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:58:56,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:58:56,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:58:56,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:58:56,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:58:56,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:58:56,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 22:58:56,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 22:58:56,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 22:58:56,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 22:58:56,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 22:58:56,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 22:58:56,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:58:56,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:58:56,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:58:56,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:58:56,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:58:56,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:58:56,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:58:56,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:58:56,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:58:56,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:58:56,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:58:56,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:58:56,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:58:56,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:58:56,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:58:56,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:58:56,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:58:56,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:58:56,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:58:56,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:58:56,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:58:56,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:58:56,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:58:56,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:58:56,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:58:56,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:58:56,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:58:56,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:58:56,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:58:56,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:58:56,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:56,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:58:56,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:58:56,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:58:56,552 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:58:56,552 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:58:56,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:58:56,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:58:56,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:58:56,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:58:56,812 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:58:56,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0683a.c [2022-01-31 22:58:56,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9688a3fd/3fd80171bccb49f586d2afa5ce3eaa91/FLAGe04a1fa99 [2022-01-31 22:58:57,236 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:58:57,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0683a.c [2022-01-31 22:58:57,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9688a3fd/3fd80171bccb49f586d2afa5ce3eaa91/FLAGe04a1fa99 [2022-01-31 22:58:57,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9688a3fd/3fd80171bccb49f586d2afa5ce3eaa91 [2022-01-31 22:58:57,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:58:57,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:58:57,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:57,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:58:57,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:58:57,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bcf44fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57, skipping insertion in model container [2022-01-31 22:58:57,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:58:57,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:58:57,815 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_0683a.c[7147,7160] [2022-01-31 22:58:57,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:57,833 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:58:57,889 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_0683a.c[7147,7160] [2022-01-31 22:58:57,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:57,903 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:58:57,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57 WrapperNode [2022-01-31 22:58:57,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:57,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:58:57,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:58:57,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:58:57,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:58:57,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:58:57,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:58:57,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:58:57,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (1/1) ... [2022-01-31 22:58:57,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:58:57,997 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 22:58:58,012 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 22:58:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:58:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:58:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:58:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:58:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-01-31 22:58:58,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2022-01-31 22:58:58,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2022-01-31 22:58:58,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2022-01-31 22:58:58,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2022-01-31 22:58:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:58:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:58:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:58:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:58:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:58:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 22:58:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:58:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:58:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:58:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:58:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:58:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:58:58,203 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:58:58,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:58:58,678 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:58:58,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:58:58,685 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2022-01-31 22:58:58,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:58 BoogieIcfgContainer [2022-01-31 22:58:58,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:58:58,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:58:58,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:58:58,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:58:58,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:58:57" (1/3) ... [2022-01-31 22:58:58,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470760f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:58, skipping insertion in model container [2022-01-31 22:58:58,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:57" (2/3) ... [2022-01-31 22:58:58,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470760f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:58, skipping insertion in model container [2022-01-31 22:58:58,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:58" (3/3) ... [2022-01-31 22:58:58,693 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2022-01-31 22:58:58,699 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:58:58,700 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:58:58,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:58:58,739 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-01-31 22:58:58,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:58:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 109 states have (on average 1.5963302752293578) internal successors, (174), 110 states have internal predecessors, (174), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-31 22:58:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-31 22:58:58,760 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:58,761 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, 1, 1, 1, 1, 1] [2022-01-31 22:58:58,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:58,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:58,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1657846494, now seen corresponding path program 1 times [2022-01-31 22:58:58,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:58,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922794567] [2022-01-31 22:58:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:58,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:58,827 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:58:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 22:58:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,079 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 22:58:59,080 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:59,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922794567] [2022-01-31 22:58:59,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [922794567] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:59,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:59,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:58:59,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952918806] [2022-01-31 22:58:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:59,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:58:59,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:59,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:58:59,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:58:59,113 INFO L87 Difference]: Start difference. First operand has 129 states, 109 states have (on average 1.5963302752293578) internal successors, (174), 110 states have internal predecessors, (174), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:58:59,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:58:59,576 INFO L93 Difference]: Finished difference Result 250 states and 387 transitions. [2022-01-31 22:58:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:58:59,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-01-31 22:58:59,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:58:59,586 INFO L225 Difference]: With dead ends: 250 [2022-01-31 22:58:59,586 INFO L226 Difference]: Without dead ends: 124 [2022-01-31 22:58:59,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:58:59,592 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 150 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:58:59,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 157 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 22:58:59,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-01-31 22:58:59,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-01-31 22:58:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 10 states have call successors, (10), 8 states have call predecessors, (10), 7 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-31 22:58:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 165 transitions. [2022-01-31 22:58:59,649 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 165 transitions. Word has length 28 [2022-01-31 22:58:59,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:58:59,649 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 165 transitions. [2022-01-31 22:58:59,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:58:59,649 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2022-01-31 22:58:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-31 22:58:59,650 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:59,651 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:59,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:58:59,651 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:59,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash 709043947, now seen corresponding path program 1 times [2022-01-31 22:58:59,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:59,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148883492] [2022-01-31 22:58:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:59,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:59,655 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:58:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:58:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:59,894 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 22:58:59,895 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:59,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148883492] [2022-01-31 22:58:59,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1148883492] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:59,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:59,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:58:59,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993663131] [2022-01-31 22:58:59,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:59,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:58:59,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:59,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:58:59,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:58:59,897 INFO L87 Difference]: Start difference. First operand 124 states and 165 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:59:00,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:59:00,324 INFO L93 Difference]: Finished difference Result 225 states and 306 transitions. [2022-01-31 22:59:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 22:59:00,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2022-01-31 22:59:00,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:59:00,335 INFO L225 Difference]: With dead ends: 225 [2022-01-31 22:59:00,336 INFO L226 Difference]: Without dead ends: 124 [2022-01-31 22:59:00,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-31 22:59:00,340 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 146 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:59:00,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 151 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 22:59:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-01-31 22:59:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-01-31 22:59:00,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 10 states have call successors, (10), 8 states have call predecessors, (10), 7 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-31 22:59:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 164 transitions. [2022-01-31 22:59:00,367 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 164 transitions. Word has length 31 [2022-01-31 22:59:00,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:59:00,368 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 164 transitions. [2022-01-31 22:59:00,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:59:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 164 transitions. [2022-01-31 22:59:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 22:59:00,369 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:59:00,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:59:00,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:59:00,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:59:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:59:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1383023855, now seen corresponding path program 1 times [2022-01-31 22:59:00,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:59:00,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091872887] [2022-01-31 22:59:00,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:59:00,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:59:00,373 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:59:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:59:00,502 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:59:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:59:00,580 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:59:00,580 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:59:00,583 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:59:00,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 22:59:00,587 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-31 22:59:00,589 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:59:00,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:59:00 BoogieIcfgContainer [2022-01-31 22:59:00,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:59:00,602 INFO L158 Benchmark]: Toolchain (without parser) took 3000.50ms. Allocated memory was 179.3MB in the beginning and 228.6MB in the end (delta: 49.3MB). Free memory was 125.8MB in the beginning and 97.3MB in the end (delta: 28.5MB). Peak memory consumption was 78.3MB. Max. memory is 8.0GB. [2022-01-31 22:59:00,602 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:59:00,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.60ms. Allocated memory was 179.3MB in the beginning and 228.6MB in the end (delta: 49.3MB). Free memory was 125.6MB in the beginning and 196.7MB in the end (delta: -71.2MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-01-31 22:59:00,603 INFO L158 Benchmark]: Boogie Preprocessor took 52.94ms. Allocated memory is still 228.6MB. Free memory was 196.7MB in the beginning and 193.7MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 22:59:00,603 INFO L158 Benchmark]: RCFGBuilder took 720.77ms. Allocated memory is still 228.6MB. Free memory was 193.7MB in the beginning and 168.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-01-31 22:59:00,604 INFO L158 Benchmark]: TraceAbstraction took 1912.75ms. Allocated memory is still 228.6MB. Free memory was 167.5MB in the beginning and 97.3MB in the end (delta: 70.2MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. [2022-01-31 22:59:00,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.60ms. Allocated memory was 179.3MB in the beginning and 228.6MB in the end (delta: 49.3MB). Free memory was 125.6MB in the beginning and 196.7MB in the end (delta: -71.2MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.94ms. Allocated memory is still 228.6MB. Free memory was 196.7MB in the beginning and 193.7MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 720.77ms. Allocated memory is still 228.6MB. Free memory was 193.7MB in the beginning and 168.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1912.75ms. Allocated memory is still 228.6MB. Free memory was 167.5MB in the beginning and 97.3MB in the end (delta: 70.2MB). Peak memory consumption was 70.2MB. 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: 300]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L294] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L294] RET, EXPR isinf_double(x) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L294] RET, EXPR isfinite_double(y) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L296] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; [L296] RET, EXPR __ieee754_atan2(y, x) [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == -0.0 && __signbit_double(res) == 1 [L299] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L300] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 308 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 304 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 22:59:00,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...