/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:13:16,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:13:16,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:13:16,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:13:16,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:13:16,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:13:16,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:13:16,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:13:16,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:13:16,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:13:16,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:13:16,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:13:16,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:13:16,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:13:16,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:13:16,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:13:16,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:13:16,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:13:16,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:13:16,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:13:16,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:13:16,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:13:16,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:13:16,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:13:16,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:13:16,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:13:16,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:13:16,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:13:16,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:13:16,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:13:16,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:13:16,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:13:16,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:13:16,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:13:16,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:13:16,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:13:16,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:13:16,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:13:16,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:13:16,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:13:16,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:13:16,737 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 [2020-09-25 12:13:16,765 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:13:16,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:13:16,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:13:16,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:13:16,768 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:13:16,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:13:16,768 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:13:16,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:13:16,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:13:16,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:13:16,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:13:16,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:13:16,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:13:16,769 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:13:16,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:13:16,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:13:16,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:13:16,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:13:16,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:13:16,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:13:16,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:13:16,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:13:16,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:13:16,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:13:16,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:13:16,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:13:16,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:13:16,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:13:16,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:13:16,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:13:17,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:13:17,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:13:17,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:13:17,305 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:13:17,306 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:13:17,307 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-09-25 12:13:17,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/838eefeb2/e730b924e28c46b2a80fdb0659ded12f/FLAG4a71fa233 [2020-09-25 12:13:17,986 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:13:17,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-09-25 12:13:18,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/838eefeb2/e730b924e28c46b2a80fdb0659ded12f/FLAG4a71fa233 [2020-09-25 12:13:18,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/838eefeb2/e730b924e28c46b2a80fdb0659ded12f [2020-09-25 12:13:18,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:13:18,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:13:18,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:13:18,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:13:18,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:13:18,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:18,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae19699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18, skipping insertion in model container [2020-09-25 12:13:18,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:18,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:13:18,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:13:18,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:13:18,702 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:13:18,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:13:18,917 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:13:18,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18 WrapperNode [2020-09-25 12:13:18,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:13:18,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:13:18,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:13:18,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:13:18,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:18,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:18,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:18,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:18,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:19,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:19,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (1/1) ... [2020-09-25 12:13:19,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:13:19,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:13:19,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:13:19,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:13:19,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (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 [2020-09-25 12:13:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:13:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:13:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-09-25 12:13:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-09-25 12:13:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:13:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:13:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-09-25 12:13:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-09-25 12:13:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:13:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-25 12:13:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:13:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:13:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-25 12:13:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:13:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-09-25 12:13:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:13:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:13:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-09-25 12:13:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:13:19,817 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:13:19,817 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-09-25 12:13:19,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:13:19 BoogieIcfgContainer [2020-09-25 12:13:19,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:13:19,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:13:19,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:13:19,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:13:19,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:13:18" (1/3) ... [2020-09-25 12:13:19,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4525681c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:13:19, skipping insertion in model container [2020-09-25 12:13:19,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:13:18" (2/3) ... [2020-09-25 12:13:19,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4525681c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:13:19, skipping insertion in model container [2020-09-25 12:13:19,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:13:19" (3/3) ... [2020-09-25 12:13:19,847 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2020-09-25 12:13:19,859 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:13:19,871 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:13:19,892 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:13:19,922 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:13:19,923 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:13:19,923 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:13:19,923 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:13:19,923 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:13:19,923 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:13:19,923 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:13:19,923 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:13:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-09-25 12:13:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-25 12:13:19,958 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:13:19,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:13:19,959 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:13:19,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:13:19,965 INFO L82 PathProgramCache]: Analyzing trace with hash -309473205, now seen corresponding path program 1 times [2020-09-25 12:13:19,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:13:19,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360829506] [2020-09-25 12:13:19,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:13:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:13:20,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:13:20,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 12:13:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:13:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-09-25 12:13:20,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:13:20,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:13:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:13:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 12:13:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:13:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:13:20,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:13:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:13:20,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:13:20,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:13:20,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:13:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 12:13:20,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:13:20,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:13:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:13:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:13:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:13:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:13:20,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:13:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:13:20,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:13:20,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:13:20,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:13:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 12:13:20,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:13:20,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:13:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:13:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 12:13:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:13:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:13:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:13:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:13:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:13:20,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:13:20,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 12:13:20,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:13:20,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:13:20,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:13:20,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:13:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:13:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 12:13:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:13:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:13:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:13:20,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360829506] [2020-09-25 12:13:20,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:13:20,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 12:13:20,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947135948] [2020-09-25 12:13:20,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 12:13:20,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:13:20,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 12:13:20,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 12:13:20,830 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-09-25 12:13:21,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:13:21,405 INFO L93 Difference]: Finished difference Result 306 states and 369 transitions. [2020-09-25 12:13:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 12:13:21,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-09-25 12:13:21,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:13:21,433 INFO L225 Difference]: With dead ends: 306 [2020-09-25 12:13:21,434 INFO L226 Difference]: Without dead ends: 155 [2020-09-25 12:13:21,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:13:21,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-25 12:13:21,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-09-25 12:13:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-25 12:13:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 170 transitions. [2020-09-25 12:13:21,547 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 170 transitions. Word has length 49 [2020-09-25 12:13:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:13:21,548 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 170 transitions. [2020-09-25 12:13:21,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 12:13:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2020-09-25 12:13:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-09-25 12:13:21,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:13:21,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:13:21,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:13:21,551 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:13:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:13:21,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1032631156, now seen corresponding path program 1 times [2020-09-25 12:13:21,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:13:21,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443185712] [2020-09-25 12:13:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:13:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 12:13:21,641 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 12:13:21,642 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 12:13:21,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:13:21,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:13:21 BoogieIcfgContainer [2020-09-25 12:13:21,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 12:13:21,683 INFO L168 Benchmark]: Toolchain (without parser) took 3375.73 ms. Allocated memory was 140.0 MB in the beginning and 232.8 MB in the end (delta: 92.8 MB). Free memory was 103.2 MB in the beginning and 148.9 MB in the end (delta: -45.7 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-09-25 12:13:21,684 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 12:13:21,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.49 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 102.5 MB in the beginning and 182.9 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-09-25 12:13:21,686 INFO L168 Benchmark]: Boogie Preprocessor took 95.89 ms. Allocated memory is still 207.1 MB. Free memory was 182.9 MB in the beginning and 181.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-25 12:13:21,687 INFO L168 Benchmark]: RCFGBuilder took 815.99 ms. Allocated memory is still 207.1 MB. Free memory was 181.0 MB in the beginning and 144.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2020-09-25 12:13:21,688 INFO L168 Benchmark]: TraceAbstraction took 1844.78 ms. Allocated memory was 207.1 MB in the beginning and 232.8 MB in the end (delta: 25.7 MB). Free memory was 144.1 MB in the beginning and 148.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-09-25 12:13:21,692 INFO L336 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 606.49 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 102.5 MB in the beginning and 182.9 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.89 ms. Allocated memory is still 207.1 MB. Free memory was 182.9 MB in the beginning and 181.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 815.99 ms. Allocated memory is still 207.1 MB. Free memory was 181.0 MB in the beginning and 144.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1844.78 ms. Allocated memory was 207.1 MB in the beginning and 232.8 MB in the end (delta: 25.7 MB). Free memory was 144.1 MB in the beginning and 148.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L126] float x = __VERIFIER_nondet_float(); [L127] float y = -1.0f / 0.0f; [L129] CALL isfinite_float(x) [L109] __int32_t ix; [L111] ieee_float_shape_type gf_u; [L112] gf_u.value = (x) [L113] EXPR gf_u.word [L113] (ix) = gf_u.word [L115] ix &= 0x7fffffff [L116] return (((ix) < 0x7f800000L)); [L129] RET isfinite_float(x) [L129] COND TRUE isfinite_float(x) [L131] CALL, EXPR fmod_float(x, y) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); [L131] RET, EXPR fmod_float(x, y) [L131] float res = fmod_float(x, y); [L134] COND TRUE res != x [L135] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 162 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 31 SDslu, 128 SDs, 0 SdLazy, 190 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 4464 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 Received shutdown request...