/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 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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:47:27,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:47:27,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:47:27,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:47:27,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:47:27,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:47:27,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:47:27,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:47:27,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:47:27,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:47:27,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:47:27,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:47:27,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:47:27,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:47:27,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:47:27,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:47:27,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:47:27,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:47:27,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:47:27,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:47:27,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:47:27,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:47:27,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:47:27,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:47:27,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:47:27,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:47:27,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:47:27,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:47:27,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:47:27,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:47:27,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:47:27,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:47:27,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:47:27,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:47:27,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:47:27,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:47:27,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:47:27,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:47:27,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:47:27,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:47:27,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:47:27,898 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 [2020-10-14 04:47:27,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:47:27,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:47:27,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:47:27,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:47:27,922 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:47:27,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:47:27,922 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:47:27,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:47:27,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:47:27,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:47:27,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:47:27,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:47:27,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:47:27,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:47:27,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:47:27,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:47:27,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:47:27,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:47:27,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:47:27,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:47:27,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:47:27,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:47:27,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:47:27,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:47:27,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:47:27,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:47:27,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:47:27,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:47:27,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:47:27,927 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 -> 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 04:47:28,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:47:28,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:47:28,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:47:28,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:47:28,271 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:47:28,272 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260.c [2020-10-14 04:47:28,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bdfd8603/f372c683afe74a93ab377aa94bc3e7ce/FLAG67c0a2d59 [2020-10-14 04:47:28,742 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:47:28,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0260.c [2020-10-14 04:47:28,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bdfd8603/f372c683afe74a93ab377aa94bc3e7ce/FLAG67c0a2d59 [2020-10-14 04:47:29,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bdfd8603/f372c683afe74a93ab377aa94bc3e7ce [2020-10-14 04:47:29,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:47:29,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:47:29,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:47:29,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:47:29,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:47:29,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8c36e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29, skipping insertion in model container [2020-10-14 04:47:29,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:47:29,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:47:29,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:47:29,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:47:29,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:47:29,699 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:47:29,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29 WrapperNode [2020-10-14 04:47:29,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:47:29,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:47:29,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:47:29,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:47:29,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (1/1) ... [2020-10-14 04:47:29,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:47:29,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:47:29,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:47:29,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:47:29,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (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 [2020-10-14 04:47:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:47:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:47:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-14 04:47:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-10-14 04:47:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-14 04:47:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2020-10-14 04:47:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:47:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:47:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-14 04:47:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-14 04:47:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-10-14 04:47:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:47:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 04:47:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 04:47:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:47:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 04:47:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 04:47:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-14 04:47:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2020-10-14 04:47:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:47:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:47:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:47:30,311 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:47:30,311 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-14 04:47:30,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:47:30 BoogieIcfgContainer [2020-10-14 04:47:30,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:47:30,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:47:30,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:47:30,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:47:30,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:47:29" (1/3) ... [2020-10-14 04:47:30,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21994c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:47:30, skipping insertion in model container [2020-10-14 04:47:30,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:29" (2/3) ... [2020-10-14 04:47:30,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21994c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:47:30, skipping insertion in model container [2020-10-14 04:47:30,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:47:30" (3/3) ... [2020-10-14 04:47:30,324 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.c [2020-10-14 04:47:30,334 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:47:30,340 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 04:47:30,353 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 04:47:30,374 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:47:30,374 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:47:30,374 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:47:30,374 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:47:30,374 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:47:30,375 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:47:30,375 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:47:30,375 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:47:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-10-14 04:47:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 04:47:30,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:47:30,399 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] [2020-10-14 04:47:30,399 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:47:30,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:47:30,405 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2020-10-14 04:47:30,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:47:30,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982858097] [2020-10-14 04:47:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:47:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:30,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:30,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 04:47:30,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:30,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 04:47:30,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:30,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 04:47:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 04:47:30,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:47:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:30,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:30,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:47:30,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 04:47:30,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:30,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:47:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:30,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:47:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:47:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:30,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:30,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:30,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:47:30,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:47:30,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:30,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:47:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:30,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:47:30,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 04:47:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:30,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:47:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:47:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:30,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:47:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:30,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:47:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 04:47:30,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982858097] [2020-10-14 04:47:30,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:47:30,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 04:47:30,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757855746] [2020-10-14 04:47:30,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 04:47:30,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:47:30,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 04:47:30,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:47:30,922 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 4 states. [2020-10-14 04:47:31,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:47:31,411 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2020-10-14 04:47:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 04:47:31,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-14 04:47:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:47:31,424 INFO L225 Difference]: With dead ends: 144 [2020-10-14 04:47:31,424 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 04:47:31,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 04:47:31,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 04:47:31,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-14 04:47:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-14 04:47:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2020-10-14 04:47:31,478 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2020-10-14 04:47:31,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:47:31,478 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2020-10-14 04:47:31,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 04:47:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-10-14 04:47:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 04:47:31,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:47:31,480 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] [2020-10-14 04:47:31,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:47:31,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:47:31,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:47:31,481 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2020-10-14 04:47:31,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:47:31,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790573868] [2020-10-14 04:47:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:47:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 04:47:31,525 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 04:47:31,525 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 04:47:31,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:47:31,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:47:31 BoogieIcfgContainer [2020-10-14 04:47:31,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 04:47:31,549 INFO L168 Benchmark]: Toolchain (without parser) took 2384.80 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 101.5 MB in the beginning and 150.3 MB in the end (delta: -48.9 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:31,550 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 04:47:31,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.09 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 101.0 MB in the beginning and 177.1 MB in the end (delta: -76.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:31,552 INFO L168 Benchmark]: Boogie Preprocessor took 55.62 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 174.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:31,553 INFO L168 Benchmark]: RCFGBuilder took 559.44 ms. Allocated memory is still 201.9 MB. Free memory was 174.2 MB in the beginning and 142.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:31,554 INFO L168 Benchmark]: TraceAbstraction took 1228.85 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 141.2 MB in the beginning and 150.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:31,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 536.09 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 101.0 MB in the beginning and 177.1 MB in the end (delta: -76.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.62 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 174.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.44 ms. Allocated memory is still 201.9 MB. Free memory was 174.2 MB in the beginning and 142.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1228.85 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 141.2 MB in the beginning and 150.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L183] float x = 0.0f / 0.0f; [L184] CALL, EXPR __ieee754_asinf(x) [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; [L184] RET, EXPR __ieee754_asinf(x) [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) [L13] return x != x; [L187] RET, EXPR isnan_float(res) [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 77 SDslu, 5 SDs, 0 SdLazy, 93 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 1840 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...