/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-newlib/float_req_bl_1052b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:52:57,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:52:57,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:52:57,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:52:57,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:52:57,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:52:57,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:52:57,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:52:57,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:52:57,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:52:57,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:52:57,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:52:57,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:52:57,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:52:57,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:52:57,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:52:57,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:52:57,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:52:57,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:52:57,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:52:57,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:52:57,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:52:57,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:52:57,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:52:57,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:52:57,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:52:57,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:52:57,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:52:57,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:52:57,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:52:57,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:52:57,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:52:57,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:52:57,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:52:57,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:52:57,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:52:57,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:52:57,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:52:57,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:52:57,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:52:57,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:52:57,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:52:57,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:52:57,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:52:57,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:52:57,756 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:52:57,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:52:57,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:52:57,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:52:57,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:52:57,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:52:57,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:52:57,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:52:57,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:52:57,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:57,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:52:57,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:52:57,759 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:52:57,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:52:57,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:52:58,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:52:58,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:52:58,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:52:58,025 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:52:58,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052b.c [2022-01-31 16:52:58,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/512b120fb/db4d77d7788a483db89b639e13fccf1a/FLAG6ef2a3b86 [2022-01-31 16:52:58,452 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:52:58,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052b.c [2022-01-31 16:52:58,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/512b120fb/db4d77d7788a483db89b639e13fccf1a/FLAG6ef2a3b86 [2022-01-31 16:52:58,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/512b120fb/db4d77d7788a483db89b639e13fccf1a [2022-01-31 16:52:58,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:52:58,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:52:58,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:58,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:52:58,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:52:58,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:58" (1/1) ... [2022-01-31 16:52:58,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5751ea42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:58, skipping insertion in model container [2022-01-31 16:52:58,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:58" (1/1) ... [2022-01-31 16:52:58,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:52:58,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:52:59,013 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/float_req_bl_1052b.c[1778,1791] [2022-01-31 16:52:59,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:59,029 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:52:59,047 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/float_req_bl_1052b.c[1778,1791] [2022-01-31 16:52:59,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:59,059 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:52:59,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59 WrapperNode [2022-01-31 16:52:59,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:59,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:52:59,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:52:59,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:52:59,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:52:59,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:52:59,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:52:59,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:52:59,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:59,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:52:59,120 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 16:52:59,125 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 16:52:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:52:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:52:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:52:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 16:52:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2022-01-31 16:52:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:52:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:52:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:52:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:52:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:52:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2022-01-31 16:52:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:52:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:52:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:52:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:52:59,228 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:52:59,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:52:59,400 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:52:59,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:52:59,406 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-31 16:52:59,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:59 BoogieIcfgContainer [2022-01-31 16:52:59,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:52:59,409 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:52:59,409 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:52:59,410 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:52:59,412 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:59" (1/1) ... [2022-01-31 16:52:59,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:59 BasicIcfg [2022-01-31 16:52:59,430 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:52:59,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:52:59,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:52:59,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:52:59,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:52:58" (1/4) ... [2022-01-31 16:52:59,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@828f017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:59, skipping insertion in model container [2022-01-31 16:52:59,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:59" (2/4) ... [2022-01-31 16:52:59,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@828f017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:59, skipping insertion in model container [2022-01-31 16:52:59,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:59" (3/4) ... [2022-01-31 16:52:59,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@828f017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:59, skipping insertion in model container [2022-01-31 16:52:59,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:59" (4/4) ... [2022-01-31 16:52:59,437 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052b.cJordan [2022-01-31 16:52:59,441 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:52:59,441 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:52:59,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:52:59,481 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 16:52:59,481 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:52:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 16:52:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-31 16:52:59,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:59,506 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] [2022-01-31 16:52:59,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:59,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:59,514 INFO L85 PathProgramCache]: Analyzing trace with hash 426947105, now seen corresponding path program 1 times [2022-01-31 16:52:59,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:59,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080325622] [2022-01-31 16:52:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:59,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:59,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:52:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:59,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:52:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 16:52:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:59,720 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 16:52:59,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:52:59,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080325622] [2022-01-31 16:52:59,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080325622] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:52:59,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:52:59,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:52:59,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510120037] [2022-01-31 16:52:59,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:52:59,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:52:59,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:52:59,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:52:59,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:52:59,750 INFO L87 Difference]: Start difference. First operand has 42 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 2 states have internal predecessors, (17), 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 16:52:59,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:52:59,897 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-01-31 16:52:59,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:52:59,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 2 states have internal predecessors, (17), 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 24 [2022-01-31 16:52:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:52:59,907 INFO L225 Difference]: With dead ends: 42 [2022-01-31 16:52:59,907 INFO L226 Difference]: Without dead ends: 38 [2022-01-31 16:52:59,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:52:59,916 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 41 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:52:59,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 47 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 16:52:59,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-01-31 16:52:59,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-01-31 16:52:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:52:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-01-31 16:52:59,950 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 24 [2022-01-31 16:52:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:52:59,950 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-01-31 16:52:59,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 2 states have internal predecessors, (17), 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 16:52:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-01-31 16:52:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-31 16:52:59,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:59,952 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] [2022-01-31 16:52:59,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:52:59,953 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:59,954 INFO L85 PathProgramCache]: Analyzing trace with hash -412963901, now seen corresponding path program 1 times [2022-01-31 16:52:59,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:59,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589526833] [2022-01-31 16:52:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:59,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:53:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:53:00,054 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:53:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:53:00,147 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:53:00,148 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:53:00,149 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:53:00,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:53:00,153 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:53:00,155 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:53:00,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:53:00 BasicIcfg [2022-01-31 16:53:00,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:53:00,174 INFO L158 Benchmark]: Toolchain (without parser) took 1318.14ms. Allocated memory was 177.2MB in the beginning and 247.5MB in the end (delta: 70.3MB). Free memory was 123.8MB in the beginning and 165.3MB in the end (delta: -41.5MB). Peak memory consumption was 28.2MB. Max. memory is 8.0GB. [2022-01-31 16:53:00,175 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory was 140.2MB in the beginning and 140.2MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:53:00,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.43ms. Allocated memory was 177.2MB in the beginning and 247.5MB in the end (delta: 70.3MB). Free memory was 123.6MB in the beginning and 219.9MB in the end (delta: -96.3MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-01-31 16:53:00,176 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 247.5MB. Free memory was 219.3MB in the beginning and 217.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 16:53:00,176 INFO L158 Benchmark]: RCFGBuilder took 317.20ms. Allocated memory is still 247.5MB. Free memory was 217.8MB in the beginning and 204.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-31 16:53:00,177 INFO L158 Benchmark]: IcfgTransformer took 21.02ms. Allocated memory is still 247.5MB. Free memory was 204.1MB in the beginning and 202.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:53:00,177 INFO L158 Benchmark]: TraceAbstraction took 741.92ms. Allocated memory is still 247.5MB. Free memory was 202.0MB in the beginning and 165.3MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-01-31 16:53:00,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory was 140.2MB in the beginning and 140.2MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.43ms. Allocated memory was 177.2MB in the beginning and 247.5MB in the end (delta: 70.3MB). Free memory was 123.6MB in the beginning and 219.9MB in the end (delta: -96.3MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 247.5MB. Free memory was 219.3MB in the beginning and 217.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 317.20ms. Allocated memory is still 247.5MB. Free memory was 217.8MB in the beginning and 204.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 21.02ms. Allocated memory is still 247.5MB. Free memory was 204.1MB in the beginning and 202.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 741.92ms. Allocated memory is still 247.5MB. Free memory was 202.0MB in the beginning and 165.3MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. 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: 82]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; VAL [\old(huge_floor)=1000000000000000000000000000002, huge_floor=1000000000000000000000000000000] [L77] float x = -1.0f / 0.0f; VAL [huge_floor=1000000000000000000000000000000] [L78] CALL, EXPR floor_float(x) VAL [\old(x)=1000000000000000000000000000003, huge_floor=1000000000000000000000000000000] [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=1000000000000000000000000000003, huge_floor=1000000000000000000000000000000, x=1000000000000000000000000000003] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=1000000000000000000000000000003, huge_floor=1000000000000000000000000000000, i=-36028792723996673, i0=-1, j0=384, x=1000000000000000000000000000003] [L25] COND FALSE !(j0 < 23) VAL [\old(x)=1000000000000000000000000000003, huge_floor=1000000000000000000000000000000, i=-36028792723996673, i0=-1, j0=384, x=1000000000000000000000000000003] [L45] COND TRUE !((ix) < 0x7f800000L) [L46] return x + x; VAL [\old(x)=1000000000000000000000000000003, huge_floor=1000000000000000000000000000000, i=-36028792723996673, i0=-1, j0=384, x=1000000000000000000000000000003] [L78] RET, EXPR floor_float(x) VAL [floor_float(x)=1000000000000000000000000000005, huge_floor=1000000000000000000000000000000, x=1000000000000000000000000000003] [L78] float res = floor_float(x); [L81] CALL, EXPR isinf_float(res) VAL [\old(x)=1000000000000000000000000000005, huge_floor=1000000000000000000000000000000] [L60] __int32_t ix; VAL [\old(x)=1000000000000000000000000000005, huge_floor=1000000000000000000000000000000, x=1000000000000000000000000000005] [L62] ieee_float_shape_type gf_u; [L63] gf_u.value = (x) [L64] EXPR gf_u.word [L64] (ix) = gf_u.word [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); VAL [\old(x)=1000000000000000000000000000005, \result=0, huge_floor=1000000000000000000000000000000, ix=0, x=1000000000000000000000000000005] [L81] RET, EXPR isinf_float(res) VAL [huge_floor=1000000000000000000000000000000, isinf_float(res)=0, res=1000000000000000000000000000005, x=1000000000000000000000000000003] [L81] COND TRUE !isinf_float(res) [L82] reach_error() VAL [huge_floor=1000000000000000000000000000000, res=1000000000000000000000000000005, x=1000000000000000000000000000003] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 45 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 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 16:53:00,210 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...