/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:43:32,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:43:32,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:43:32,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:43:32,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:43:32,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:43:32,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:43:32,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:43:32,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:43:32,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:43:32,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:43:32,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:43:32,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:43:32,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:43:32,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:43:32,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:43:32,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:43:32,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:43:32,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:43:32,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:43:32,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:43:32,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:43:32,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:43:32,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:43:32,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:43:32,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:43:32,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:43:32,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:43:32,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:43:32,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:43:32,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:43:32,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:43:32,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:43:32,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:43:32,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:43:32,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:43:32,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:43:32,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:43:32,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:43:32,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:43:32,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:43:32,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:43:32,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:43:32,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:43:32,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:43:32,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:43:32,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:43:32,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:43:32,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:43:32,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:43:32,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:43:32,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:43:32,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:43:32,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:43:32,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:43:32,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:43:32,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:43:32,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:43:32,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:43:32,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:43:32,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:43:32,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:43:32,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:43:32,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:43:32,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:43:32,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:43:32,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:43:32,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:43:32,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:43:32,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:43:32,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:43:32,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:43:33,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:43:33,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:43:33,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:43:33,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:43:33,161 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:43:33,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-10-27 19:43:33,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7043d1dbe/70bbeff8f64246fab15f94cb71f1ecad/FLAG5e382d9a1 [2020-10-27 19:43:33,859 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:43:33,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-10-27 19:43:33,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7043d1dbe/70bbeff8f64246fab15f94cb71f1ecad/FLAG5e382d9a1 [2020-10-27 19:43:34,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7043d1dbe/70bbeff8f64246fab15f94cb71f1ecad [2020-10-27 19:43:34,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:43:34,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:43:34,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:43:34,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:43:34,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:43:34,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d41673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34, skipping insertion in model container [2020-10-27 19:43:34,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:43:34,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:43:34,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:43:34,569 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:43:34,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:43:34,617 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:43:34,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34 WrapperNode [2020-10-27 19:43:34,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:43:34,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:43:34,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:43:34,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:43:34,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... [2020-10-27 19:43:34,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:43:34,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:43:34,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:43:34,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:43:34,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:43:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:43:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:43:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:43:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-27 19:43:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-10-27 19:43:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2020-10-27 19:43:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:43:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:43:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:43:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:43:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:43:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-27 19:43:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-27 19:43:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-10-27 19:43:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-27 19:43:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:43:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:43:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2020-10-27 19:43:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:43:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:43:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:43:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:43:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:43:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-27 19:43:35,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:43:35,323 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 19:43:35,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:43:35 BoogieIcfgContainer [2020-10-27 19:43:35,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:43:35,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:43:35,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:43:35,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:43:35,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:43:34" (1/3) ... [2020-10-27 19:43:35,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cccdd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:43:35, skipping insertion in model container [2020-10-27 19:43:35,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:34" (2/3) ... [2020-10-27 19:43:35,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cccdd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:43:35, skipping insertion in model container [2020-10-27 19:43:35,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:43:35" (3/3) ... [2020-10-27 19:43:35,335 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1250.c [2020-10-27 19:43:35,347 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:43:35,352 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:43:35,366 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:43:35,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:43:35,394 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:43:35,394 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:43:35,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:43:35,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:43:35,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:43:35,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:43:35,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:43:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-27 19:43:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 19:43:35,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:43:35,421 INFO L422 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] [2020-10-27 19:43:35,421 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:43:35,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:43:35,428 INFO L82 PathProgramCache]: Analyzing trace with hash -720338700, now seen corresponding path program 1 times [2020-10-27 19:43:35,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:43:35,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043929506] [2020-10-27 19:43:35,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:43:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:36,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 19:43:36,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:43:36,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-27 19:43:36,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:36,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 19:43:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:43:36,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 19:43:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:43:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:36,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:36,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:36,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:43:36,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:43:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:36,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:43:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:36,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:43:36,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:43:36,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 19:43:36,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:36,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:43:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:43:36,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:43:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:36,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:43:36,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:43:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 19:43:36,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:43:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:43:36,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:43:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:36,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:36,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:36,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:36,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:43:36,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:43:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:36,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:43:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:43:36,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043929506] [2020-10-27 19:43:36,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:43:36,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 19:43:36,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888361488] [2020-10-27 19:43:36,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 19:43:36,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:43:36,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 19:43:36,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:43:36,411 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 5 states. [2020-10-27 19:43:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:43:36,810 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2020-10-27 19:43:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 19:43:36,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-27 19:43:36,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:43:36,822 INFO L225 Difference]: With dead ends: 76 [2020-10-27 19:43:36,822 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 19:43:36,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 19:43:36,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 19:43:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 19:43:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 19:43:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2020-10-27 19:43:36,877 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2020-10-27 19:43:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:43:36,878 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2020-10-27 19:43:36,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 19:43:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2020-10-27 19:43:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 19:43:36,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:43:36,881 INFO L422 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] [2020-10-27 19:43:36,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:43:36,881 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:43:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:43:36,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2051024786, now seen corresponding path program 1 times [2020-10-27 19:43:36,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:43:36,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049617829] [2020-10-27 19:43:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:43:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:36,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 19:43:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 19:43:37,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:43:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:43:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:37,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:43:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:37,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:43:37,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:43:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:37,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:37,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:43:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:43:37,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 19:43:37,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 19:43:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:43:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:43:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:43:37,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 19:43:37,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:43:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:43:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:43:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:37,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:43:37,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:43:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:37,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:43:37,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049617829] [2020-10-27 19:43:37,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:43:37,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 19:43:37,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109450592] [2020-10-27 19:43:37,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 19:43:37,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:43:37,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 19:43:37,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 19:43:37,297 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 6 states. [2020-10-27 19:43:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:43:37,583 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2020-10-27 19:43:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 19:43:37,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-27 19:43:37,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:43:37,588 INFO L225 Difference]: With dead ends: 53 [2020-10-27 19:43:37,588 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 19:43:37,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:43:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 19:43:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 19:43:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 19:43:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-10-27 19:43:37,603 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 28 [2020-10-27 19:43:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:43:37,603 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-10-27 19:43:37,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 19:43:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-10-27 19:43:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 19:43:37,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:43:37,605 INFO L422 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] [2020-10-27 19:43:37,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:43:37,605 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:43:37,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:43:37,606 INFO L82 PathProgramCache]: Analyzing trace with hash 231005741, now seen corresponding path program 1 times [2020-10-27 19:43:37,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:43:37,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971700629] [2020-10-27 19:43:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:43:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 19:43:37,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 19:43:37,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 19:43:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:43:37,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 19:43:37,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:43:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:37,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:43:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:43:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:43:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:37,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:37,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 19:43:37,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 19:43:37,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 19:43:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:43:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:43:37,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:43:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:37,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:38,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:38,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 19:43:38,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:38,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 19:43:38,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:43:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:43:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:43:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 19:43:38,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:43:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:38,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:38,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:38,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:43:38,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:43:38,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:38,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:38,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:43:38,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971700629] [2020-10-27 19:43:38,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:43:38,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 19:43:38,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649489944] [2020-10-27 19:43:38,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 19:43:38,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:43:38,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 19:43:38,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 19:43:38,103 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states. [2020-10-27 19:43:38,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:43:38,339 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2020-10-27 19:43:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 19:43:38,340 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-27 19:43:38,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:43:38,342 INFO L225 Difference]: With dead ends: 57 [2020-10-27 19:43:38,342 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 19:43:38,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:43:38,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 19:43:38,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-10-27 19:43:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 19:43:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-10-27 19:43:38,363 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 31 [2020-10-27 19:43:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:43:38,364 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-10-27 19:43:38,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 19:43:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-10-27 19:43:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 19:43:38,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:43:38,366 INFO L422 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] [2020-10-27 19:43:38,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:43:38,366 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:43:38,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:43:38,367 INFO L82 PathProgramCache]: Analyzing trace with hash -279528436, now seen corresponding path program 1 times [2020-10-27 19:43:38,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:43:38,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656270883] [2020-10-27 19:43:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:43:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 19:43:38,396 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 19:43:38,396 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 19:43:38,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 19:43:38,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:43:38 BoogieIcfgContainer [2020-10-27 19:43:38,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:43:38,428 INFO L168 Benchmark]: Toolchain (without parser) took 4205.83 ms. Allocated memory was 153.1 MB in the beginning and 185.6 MB in the end (delta: 32.5 MB). Free memory was 128.2 MB in the beginning and 125.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:38,428 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:43:38,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.14 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 117.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:38,431 INFO L168 Benchmark]: Boogie Preprocessor took 44.72 ms. Allocated memory is still 153.1 MB. Free memory was 117.4 MB in the beginning and 115.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:38,433 INFO L168 Benchmark]: RCFGBuilder took 660.37 ms. Allocated memory is still 153.1 MB. Free memory was 115.6 MB in the beginning and 134.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:38,435 INFO L168 Benchmark]: TraceAbstraction took 3096.93 ms. Allocated memory was 153.1 MB in the beginning and 185.6 MB in the end (delta: 32.5 MB). Free memory was 134.4 MB in the beginning and 125.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:38,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 389.14 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 117.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.72 ms. Allocated memory is still 153.1 MB. Free memory was 117.4 MB in the beginning and 115.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 660.37 ms. Allocated memory is still 153.1 MB. Free memory was 115.6 MB in the beginning and 134.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3096.93 ms. Allocated memory was 153.1 MB in the beginning and 185.6 MB in the end (delta: 32.5 MB). Free memory was 134.4 MB in the beginning and 125.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L69] double x = 0.0 / 0.0; [L70] double y = 0.0 / 0.0; [L71] CALL, EXPR fmax_double(x, y) [L57] CALL, EXPR __fpclassify_double(x) [L29] __uint32_t msw, lsw; [L32] ieee_double_shape_type ew_u; [L33] ew_u.value = (x) [L34] EXPR ew_u.parts.msw [L34] (msw) = ew_u.parts.msw [L35] EXPR ew_u.parts.lsw [L35] (lsw) = ew_u.parts.lsw [L38-L39] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L41-L42] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L44-L45] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L48-L49] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L52] return 0; [L57] RET, EXPR __fpclassify_double(x) [L57] COND TRUE __fpclassify_double(x) == 0 [L58] return y; [L71] RET, EXPR fmax_double(x, y) [L71] double res = fmax_double(x, y); [L73] CALL, EXPR isnan_double(res) [L18] return x != x; [L73] RET, EXPR isnan_double(res) [L73] COND TRUE !isnan_double(res) [L74] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_1250.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 36 SDslu, 247 SDs, 0 SdLazy, 174 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 7347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 Received shutdown request...