/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=0.4 --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/double_req_bl_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:20:23,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:20:23,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:20:23,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:20:23,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:20:23,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:20:23,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:20:23,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:20:23,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:20:23,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:20:23,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:20:23,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:20:23,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:20:23,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:20:23,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:20:23,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:20:23,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:20:23,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:20:23,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:20:23,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:20:23,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:20:23,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:20:23,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:20:23,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:20:23,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:20:23,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:20:23,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:20:23,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:20:23,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:20:23,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:20:23,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:20:23,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:20:23,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:20:23,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:20:23,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:20:23,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:20:23,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:20:23,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:20:23,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:20:23,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:20:23,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:20:23,857 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 13:20:23,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:20:23,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:20:23,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:20:23,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:20:23,908 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:20:23,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:20:23,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:20:23,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:20:23,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:20:23,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:20:23,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:20:23,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:20:23,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:20:23,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:20:23,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:20:23,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:20:23,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:20:23,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:20:23,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:20:23,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:20:23,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:20:23,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:20:23,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:20:23,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:20:23,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:20:23,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:20:23,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:20:23,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:20:23,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:20:23,915 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:20:24,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:20:24,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:20:24,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:20:24,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:20:24,436 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:20:24,437 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-09-25 13:20:24,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a04455b2f/9f35fe226e5845e1bcfc87ce3fbe387e/FLAG51d63b010 [2020-09-25 13:20:25,106 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:20:25,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-09-25 13:20:25,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a04455b2f/9f35fe226e5845e1bcfc87ce3fbe387e/FLAG51d63b010 [2020-09-25 13:20:25,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a04455b2f/9f35fe226e5845e1bcfc87ce3fbe387e [2020-09-25 13:20:25,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:20:25,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:20:25,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:20:25,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:20:25,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:20:25,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:25,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b610eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25, skipping insertion in model container [2020-09-25 13:20:25,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:25,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:20:25,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:20:25,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:20:25,779 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:20:25,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:20:25,950 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:20:25,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25 WrapperNode [2020-09-25 13:20:25,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:20:25,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:20:25,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:20:25,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:20:25,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:25,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:25,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:25,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:25,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:26,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:26,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (1/1) ... [2020-09-25 13:20:26,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:20:26,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:20:26,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:20:26,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:20:26,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (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 13:20:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:20:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:20:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-09-25 13:20:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-09-25 13:20:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-09-25 13:20:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:20:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:20:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-25 13:20:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-09-25 13:20:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-09-25 13:20:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:20:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-25 13:20:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:20:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:20:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:20:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-25 13:20:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-09-25 13:20:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:20:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:20:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:20:26,751 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:20:26,752 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-09-25 13:20:26,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:20:26 BoogieIcfgContainer [2020-09-25 13:20:26,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:20:26,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:20:26,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:20:26,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:20:26,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:20:25" (1/3) ... [2020-09-25 13:20:26,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2d4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:20:26, skipping insertion in model container [2020-09-25 13:20:26,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:20:25" (2/3) ... [2020-09-25 13:20:26,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2d4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:20:26, skipping insertion in model container [2020-09-25 13:20:26,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:20:26" (3/3) ... [2020-09-25 13:20:26,769 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2020-09-25 13:20:26,781 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:20:26,792 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:20:26,815 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:20:26,845 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:20:26,846 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:20:26,846 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:20:26,846 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:20:26,846 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:20:26,846 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:20:26,846 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:20:26,847 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:20:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-25 13:20:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-25 13:20:26,884 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:20:26,886 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] [2020-09-25 13:20:26,886 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:20:26,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:20:26,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1113856544, now seen corresponding path program 1 times [2020-09-25 13:20:26,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:20:26,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410568819] [2020-09-25 13:20:26,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:20:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:27,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:27,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:27,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:27,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 13:20:27,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:20:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-25 13:20:27,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:27,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:20:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:27,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:20:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:20:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:27,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:27,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 13:20:27,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:20:27,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:27,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:27,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:27,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:20:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:27,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:27,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:27,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 13:20:27,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:27,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:20:27,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:27,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 13:20:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-25 13:20:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:27,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:27,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:27,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:27,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:20:27,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:20:27,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 13:20:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:27,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 13:20:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:27,547 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 13:20:27,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410568819] [2020-09-25 13:20:27,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:20:27,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 13:20:27,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126131868] [2020-09-25 13:20:27,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 13:20:27,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:20:27,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 13:20:27,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 13:20:27,596 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-09-25 13:20:28,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:20:28,115 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2020-09-25 13:20:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 13:20:28,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-25 13:20:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:20:28,142 INFO L225 Difference]: With dead ends: 316 [2020-09-25 13:20:28,143 INFO L226 Difference]: Without dead ends: 164 [2020-09-25 13:20:28,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:20:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-25 13:20:28,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-25 13:20:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-25 13:20:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 183 transitions. [2020-09-25 13:20:28,259 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 183 transitions. Word has length 47 [2020-09-25 13:20:28,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:20:28,260 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 183 transitions. [2020-09-25 13:20:28,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 13:20:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-09-25 13:20:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-09-25 13:20:28,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:20:28,270 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] [2020-09-25 13:20:28,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:20:28,271 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:20:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:20:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1544976000, now seen corresponding path program 1 times [2020-09-25 13:20:28,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:20:28,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660010360] [2020-09-25 13:20:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:20:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 13:20:28,357 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 13:20:28,357 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 13:20:28,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:20:28,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:20:28 BoogieIcfgContainer [2020-09-25 13:20:28,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 13:20:28,390 INFO L168 Benchmark]: Toolchain (without parser) took 2954.80 ms. Allocated memory was 140.5 MB in the beginning and 235.4 MB in the end (delta: 94.9 MB). Free memory was 101.8 MB in the beginning and 149.3 MB in the end (delta: -47.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-09-25 13:20:28,392 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 13:20:28,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.61 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 179.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-09-25 13:20:28,394 INFO L168 Benchmark]: Boogie Preprocessor took 64.14 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 177.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-25 13:20:28,394 INFO L168 Benchmark]: RCFGBuilder took 743.23 ms. Allocated memory is still 203.4 MB. Free memory was 177.5 MB in the beginning and 138.1 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. [2020-09-25 13:20:28,395 INFO L168 Benchmark]: TraceAbstraction took 1626.19 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 137.4 MB in the beginning and 149.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-25 13:20:28,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 512.61 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 179.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.14 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 177.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 743.23 ms. Allocated memory is still 203.4 MB. Free memory was 177.5 MB in the beginning and 138.1 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1626.19 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 137.4 MB in the beginning and 149.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 160]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 144, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L155] double x = 1.0 / 0.0; [L156] CALL, EXPR __ieee754_sqrt(x) [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; [L156] RET, EXPR __ieee754_sqrt(x) [L156] double res = __ieee754_sqrt(x); [L159] CALL, EXPR isinf_double(res) [L134] __int32_t hx, lx; [L136] ieee_double_shape_type ew_u; [L137] ew_u.value = (x) [L138] EXPR ew_u.parts.msw [L138] (hx) = ew_u.parts.msw [L139] EXPR ew_u.parts.lsw [L139] (lx) = ew_u.parts.lsw [L141] hx &= 0x7fffffff [L142] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L143] hx = 0x7ff00000 - hx [L144] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L159] RET, EXPR isinf_double(res) [L159] COND TRUE !isinf_double(res) [L160] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 37 SDslu, 145 SDs, 0 SdLazy, 191 SolverSat, 6 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 0.4s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 3910 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...