/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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 07:42:48,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:42:48,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:42:48,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:42:48,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:42:48,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:42:48,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:42:48,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:42:48,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:42:48,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:42:48,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:42:48,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:42:48,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:42:48,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:42:48,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:42:48,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:42:48,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:42:48,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:42:48,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:42:48,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:42:48,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:42:48,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:42:48,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:42:48,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:42:48,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:42:48,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:42:48,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:42:48,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:42:48,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:42:48,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:42:48,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:42:48,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:42:48,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:42:48,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:42:48,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:42:48,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:42:48,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:42:48,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:42:48,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:42:48,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:42:48,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:42:48,922 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 07:42:48,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:42:48,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:42:48,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:42:48,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:42:48,953 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:42:48,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:42:48,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:42:48,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:42:48,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:42:48,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:42:48,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:42:48,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:42:48,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:42:48,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:42:48,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:42:48,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:42:48,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:42:48,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:42:48,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:42:48,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:42:48,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:42:48,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:42:48,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:42:48,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:42:48,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:42:48,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:42:48,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:42:48,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:42:48,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:42:48,959 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:42:49,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:42:49,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:42:49,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:42:49,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:42:49,512 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:42:49,514 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-09-25 07:42:49,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae2bf0d84/271dcec768904915b5fc65b1fcb08bf0/FLAG8949e1afe [2020-09-25 07:42:50,205 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:42:50,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-09-25 07:42:50,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae2bf0d84/271dcec768904915b5fc65b1fcb08bf0/FLAG8949e1afe [2020-09-25 07:42:50,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae2bf0d84/271dcec768904915b5fc65b1fcb08bf0 [2020-09-25 07:42:50,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:42:50,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:42:50,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:42:50,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:42:50,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:42:50,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:50,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414e1ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50, skipping insertion in model container [2020-09-25 07:42:50,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:50,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:42:50,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:42:50,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:42:50,820 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:42:50,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:42:50,980 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:42:50,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50 WrapperNode [2020-09-25 07:42:50,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:42:50,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:42:50,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:42:50,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:42:51,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (1/1) ... [2020-09-25 07:42:51,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:42:51,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:42:51,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:42:51,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:42:51,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (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 07:42:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:42:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:42:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-09-25 07:42:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-09-25 07:42:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:42:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:42:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-09-25 07:42:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-09-25 07:42:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:42:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-25 07:42:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:42:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:42:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-25 07:42:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:42:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-09-25 07:42:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:42:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:42:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-09-25 07:42:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:42:51,820 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:42:51,820 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-09-25 07:42:51,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:42:51 BoogieIcfgContainer [2020-09-25 07:42:51,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:42:51,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:42:51,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:42:51,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:42:51,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:42:50" (1/3) ... [2020-09-25 07:42:51,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a2a3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:42:51, skipping insertion in model container [2020-09-25 07:42:51,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:42:50" (2/3) ... [2020-09-25 07:42:51,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a2a3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:42:51, skipping insertion in model container [2020-09-25 07:42:51,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:42:51" (3/3) ... [2020-09-25 07:42:51,851 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2020-09-25 07:42:51,863 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:42:51,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:42:51,897 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:42:51,928 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:42:51,928 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:42:51,929 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:42:51,929 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:42:51,929 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:42:51,929 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:42:51,929 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:42:51,930 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:42:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-09-25 07:42:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-25 07:42:51,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:42:51,971 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 07:42:51,971 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:42:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:42:51,980 INFO L82 PathProgramCache]: Analyzing trace with hash -309473205, now seen corresponding path program 1 times [2020-09-25 07:42:51,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:42:51,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409103904] [2020-09-25 07:42:51,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:42:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:42:52,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:42:52,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 07:42:52,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:42:52,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-09-25 07:42:52,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:42:52,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:42:52,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:42:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 07:42:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:42:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:42:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:42:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:42:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:42:52,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:42:52,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:42:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 07:42:52,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:42:52,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:42:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:42:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:42:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:42:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:42:52,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:42:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:42:52,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:42:52,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 07:42:52,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:42:52,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 07:42:52,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:42:52,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:42:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:42:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 07:42:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:42:52,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:42:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 07:42:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:42:52,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:42:52,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:42:52,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 07:42:52,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:42:52,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 07:42:52,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:42:52,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:42:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:42:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 07:42:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:42:52,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:42:52,791 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 07:42:52,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409103904] [2020-09-25 07:42:52,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:42:52,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:42:52,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326472590] [2020-09-25 07:42:52,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:42:52,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:42:52,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:42:52,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:42:52,827 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-09-25 07:42:53,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:42:53,308 INFO L93 Difference]: Finished difference Result 306 states and 369 transitions. [2020-09-25 07:42:53,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 07:42:53,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-09-25 07:42:53,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:42:53,327 INFO L225 Difference]: With dead ends: 306 [2020-09-25 07:42:53,327 INFO L226 Difference]: Without dead ends: 155 [2020-09-25 07:42:53,334 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 07:42:53,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-25 07:42:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-09-25 07:42:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-25 07:42:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 170 transitions. [2020-09-25 07:42:53,403 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 170 transitions. Word has length 49 [2020-09-25 07:42:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:42:53,404 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 170 transitions. [2020-09-25 07:42:53,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:42:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2020-09-25 07:42:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-09-25 07:42:53,408 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:42:53,408 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 07:42:53,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:42:53,409 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:42:53,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:42:53,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1032631156, now seen corresponding path program 1 times [2020-09-25 07:42:53,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:42:53,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474451033] [2020-09-25 07:42:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:42:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 07:42:53,535 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 07:42:53,535 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 07:42:53,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:42:53,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 07:42:53 BoogieIcfgContainer [2020-09-25 07:42:53,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 07:42:53,577 INFO L168 Benchmark]: Toolchain (without parser) took 3072.93 ms. Allocated memory was 140.5 MB in the beginning and 236.5 MB in the end (delta: 95.9 MB). Free memory was 103.8 MB in the beginning and 152.1 MB in the end (delta: -48.2 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2020-09-25 07:42:53,578 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 07:42:53,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.15 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.2 MB in the beginning and 179.6 MB in the end (delta: -76.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-09-25 07:42:53,580 INFO L168 Benchmark]: Boogie Preprocessor took 71.55 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 176.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-25 07:42:53,581 INFO L168 Benchmark]: RCFGBuilder took 783.58 ms. Allocated memory is still 202.9 MB. Free memory was 176.9 MB in the beginning and 140.9 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-09-25 07:42:53,582 INFO L168 Benchmark]: TraceAbstraction took 1734.65 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 140.2 MB in the beginning and 152.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-09-25 07:42:53,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 473.15 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.2 MB in the beginning and 179.6 MB in the end (delta: -76.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.55 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 176.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 783.58 ms. Allocated memory is still 202.9 MB. Free memory was 176.9 MB in the beginning and 140.9 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1734.65 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 140.2 MB in the beginning and 152.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.7 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: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, 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, 0.2s 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...