/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/double_req_bl_1071.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:50:58,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:50:58,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:50:58,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:50:58,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:50:58,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:50:58,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:50:58,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:50:58,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:50:58,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:50:58,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:50:58,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:50:58,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:50:58,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:50:58,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:50:58,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:50:58,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:50:58,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:50:58,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:50:58,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:50:58,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:50:58,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:50:58,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:50:58,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:50:58,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:50:58,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:50:58,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:50:58,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:50:58,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:50:58,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:50:58,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:50:58,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:50:58,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:50:58,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:50:58,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:50:58,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:50:58,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:50:58,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:50:58,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:50:58,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:50:58,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:50:58,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:50:58,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:50:58,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:50:58,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:50:58,881 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:50:58,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:50:58,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:50:58,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:50:58,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:50:58,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:50:58,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:50:58,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:50:58,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:50:58,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:50:58,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:50:58,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:50:58,884 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:50:58,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:50:59,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:50:59,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:50:59,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:50:59,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:50:59,130 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:50:59,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1071.c [2022-01-31 16:50:59,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc691376/80c4fdf2580442369ab57cb887e9f136/FLAGcf9b1f4a7 [2022-01-31 16:50:59,547 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:50:59,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1071.c [2022-01-31 16:50:59,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc691376/80c4fdf2580442369ab57cb887e9f136/FLAGcf9b1f4a7 [2022-01-31 16:50:59,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc691376/80c4fdf2580442369ab57cb887e9f136 [2022-01-31 16:50:59,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:50:59,566 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:50:59,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:50:59,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:50:59,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:50:59,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40351e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59, skipping insertion in model container [2022-01-31 16:50:59,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:50:59,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:50:59,767 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_1071.c[1883,1896] [2022-01-31 16:50:59,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:50:59,775 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:50:59,793 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_1071.c[1883,1896] [2022-01-31 16:50:59,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:50:59,804 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:50:59,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59 WrapperNode [2022-01-31 16:50:59,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:50:59,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:50:59,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:50:59,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:50:59,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:50:59,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:50:59,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:50:59,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:50:59,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (1/1) ... [2022-01-31 16:50:59,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:50:59,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:50:59,864 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 16:50:59,874 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 16:50:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:50:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:50:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:50:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 16:50:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2022-01-31 16:50:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:50:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:50:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:50:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:50:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:50:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:50:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:50:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:50:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:50:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:50:59,958 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:50:59,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:51:00,178 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:51:00,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:51:00,184 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-01-31 16:51:00,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:00 BoogieIcfgContainer [2022-01-31 16:51:00,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:51:00,186 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:51:00,186 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:51:00,193 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:51:00,196 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:00" (1/1) ... [2022-01-31 16:51:00,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:00 BasicIcfg [2022-01-31 16:51:00,221 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:51:00,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:51:00,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:51:00,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:51:00,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:50:59" (1/4) ... [2022-01-31 16:51:00,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47913981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:00, skipping insertion in model container [2022-01-31 16:51:00,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:59" (2/4) ... [2022-01-31 16:51:00,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47913981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:00, skipping insertion in model container [2022-01-31 16:51:00,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:00" (3/4) ... [2022-01-31 16:51:00,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47913981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:00, skipping insertion in model container [2022-01-31 16:51:00,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:00" (4/4) ... [2022-01-31 16:51:00,227 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071.cJordan [2022-01-31 16:51:00,231 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:51:00,232 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:51:00,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:51:00,269 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 16:51:00,270 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:51:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 28 states have internal predecessors, (41), 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 16:51:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 16:51:00,287 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:00,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:51:00,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:00,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:00,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1526347973, now seen corresponding path program 1 times [2022-01-31 16:51:00,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:00,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499886619] [2022-01-31 16:51:00,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:00,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:51:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:51:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:51:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:00,465 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 16:51:00,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:51:00,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499886619] [2022-01-31 16:51:00,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499886619] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:51:00,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:51:00,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:51:00,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449950943] [2022-01-31 16:51:00,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:51:00,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:51:00,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:51:00,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:51:00,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:51:00,497 INFO L87 Difference]: Start difference. First operand has 37 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 28 states have internal predecessors, (41), 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 4.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16:51:00,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:51:00,638 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2022-01-31 16:51:00,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:51:00,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 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 23 [2022-01-31 16:51:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:51:00,652 INFO L225 Difference]: With dead ends: 37 [2022-01-31 16:51:00,652 INFO L226 Difference]: Without dead ends: 33 [2022-01-31 16:51:00,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 16:51:00,658 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:51:00,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 38 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 16:51:00,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-01-31 16:51:00,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-01-31 16:51:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 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 16:51:00,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-01-31 16:51:00,686 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 23 [2022-01-31 16:51:00,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:51:00,686 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-01-31 16:51:00,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16:51:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-01-31 16:51:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-31 16:51:00,687 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:00,687 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 16:51:00,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:51:00,688 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:00,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1376180912, now seen corresponding path program 1 times [2022-01-31 16:51:00,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:00,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737907601] [2022-01-31 16:51:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:00,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:00,754 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:51:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:00,807 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:51:00,807 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:51:00,809 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:51:00,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:51:00,813 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:51:00,818 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:51:00,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:00 BasicIcfg [2022-01-31 16:51:00,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:51:00,840 INFO L158 Benchmark]: Toolchain (without parser) took 1273.57ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 120.1MB in the beginning and 163.9MB in the end (delta: -43.7MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. [2022-01-31 16:51:00,840 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:00,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.12ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 119.9MB in the beginning and 215.3MB in the end (delta: -95.4MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-01-31 16:51:00,842 INFO L158 Benchmark]: Boogie Preprocessor took 31.15ms. Allocated memory is still 243.3MB. Free memory was 215.3MB in the beginning and 213.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:00,842 INFO L158 Benchmark]: RCFGBuilder took 347.52ms. Allocated memory is still 243.3MB. Free memory was 213.2MB in the beginning and 199.0MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-31 16:51:00,842 INFO L158 Benchmark]: IcfgTransformer took 35.10ms. Allocated memory is still 243.3MB. Free memory was 199.0MB in the beginning and 197.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:00,843 INFO L158 Benchmark]: TraceAbstraction took 617.36ms. Allocated memory is still 243.3MB. Free memory was 196.9MB in the beginning and 163.9MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-01-31 16:51:00,845 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 176.2MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 228.12ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 119.9MB in the beginning and 215.3MB in the end (delta: -95.4MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.15ms. Allocated memory is still 243.3MB. Free memory was 215.3MB in the beginning and 213.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 347.52ms. Allocated memory is still 243.3MB. Free memory was 213.2MB in the beginning and 199.0MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 35.10ms. Allocated memory is still 243.3MB. Free memory was 199.0MB in the beginning and 197.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 617.36ms. Allocated memory is still 243.3MB. Free memory was 196.9MB in the beginning and 163.9MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. 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: 76]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 30. Possible FailurePath: [L70] double x = 0.0 / 0.0; [L72] CALL, EXPR trunc_double(x) VAL [\old(x)=4294967299] [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=4294967299, x=4294967299] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967299, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967299] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967299, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967299] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967299, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967299] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967299, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967299] [L72] RET, EXPR trunc_double(x) VAL [trunc_double(x)=4294967297, x=4294967299] [L72] double res = trunc_double(x); [L75] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967297] [L17] return x != x; VAL [\old(x)=4294967297, \result=0, x=4294967297] [L75] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=4294967297, x=4294967299] [L75] COND TRUE !isnan_double(res) [L76] reach_error() VAL [res=4294967297, x=4294967299] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 36 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 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 16:51:00,877 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...