/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=0.1 --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_1300.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:57:57,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:57:57,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:57:57,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:57:57,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:57:57,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:57:57,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:57:57,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:57:57,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:57:57,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:57:57,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:57:57,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:57:57,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:57:57,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:57:57,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:57:57,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:57:57,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:57:57,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:57:57,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:57:57,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:57:57,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:57:57,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:57:57,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:57:57,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:57:57,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:57:57,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:57:57,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:57:57,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:57:57,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:57:57,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:57:57,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:57:57,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:57:57,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:57:57,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:57:57,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:57:57,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:57:57,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:57:57,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:57:57,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:57:57,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:57:57,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:57:57,161 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 09:57:57,188 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:57:57,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:57:57,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:57:57,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:57:57,190 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:57:57,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:57:57,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:57:57,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:57:57,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:57:57,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:57:57,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:57:57,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:57:57,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:57:57,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:57:57,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:57:57,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:57:57,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:57:57,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:57:57,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:57:57,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:57:57,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:57:57,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:57:57,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:57:57,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:57:57,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:57:57,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:57:57,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:57:57,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:57:57,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:57:57,195 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:57:57,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:57:57,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:57:57,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:57:57,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:57:57,686 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:57:57,687 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1300.c [2020-09-25 09:57:57,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43352d76b/2701fcb361154b639e6e89512de9b3f9/FLAGac3cb94a3 [2020-09-25 09:57:58,349 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:57:58,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1300.c [2020-09-25 09:57:58,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43352d76b/2701fcb361154b639e6e89512de9b3f9/FLAGac3cb94a3 [2020-09-25 09:57:58,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43352d76b/2701fcb361154b639e6e89512de9b3f9 [2020-09-25 09:57:58,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:57:58,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:57:58,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:57:58,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:57:58,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:57:58,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:57:58" (1/1) ... [2020-09-25 09:57:58,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a0d118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:58, skipping insertion in model container [2020-09-25 09:57:58,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:57:58" (1/1) ... [2020-09-25 09:57:58,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:57:58,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:57:59,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:57:59,078 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:57:59,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:57:59,233 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:57:59,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59 WrapperNode [2020-09-25 09:57:59,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:57:59,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:57:59,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:57:59,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:57:59,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (1/1) ... [2020-09-25 09:57:59,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:57:59,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:57:59,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:57:59,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:57:59,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (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 09:57:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:57:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:57:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-09-25 09:57:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-09-25 09:57:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-09-25 09:57:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:57:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:57:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-25 09:57:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-09-25 09:57:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:57:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-25 09:57:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:57:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:57:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-09-25 09:57:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-09-25 09:57:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:57:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:57:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:57:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-25 09:57:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:57:59,752 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:57:59,753 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 09:57:59,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:57:59 BoogieIcfgContainer [2020-09-25 09:57:59,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:57:59,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:57:59,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:57:59,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:57:59,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:57:58" (1/3) ... [2020-09-25 09:57:59,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb4bfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:57:59, skipping insertion in model container [2020-09-25 09:57:59,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:57:59" (2/3) ... [2020-09-25 09:57:59,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb4bfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:57:59, skipping insertion in model container [2020-09-25 09:57:59,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:57:59" (3/3) ... [2020-09-25 09:57:59,770 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2020-09-25 09:57:59,782 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:57:59,792 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:57:59,818 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:57:59,849 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:57:59,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:57:59,850 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:57:59,850 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:57:59,850 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:57:59,850 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:57:59,850 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:57:59,850 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:57:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-25 09:57:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 09:57:59,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:57:59,888 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] [2020-09-25 09:57:59,888 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:57:59,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:57:59,895 INFO L82 PathProgramCache]: Analyzing trace with hash -984491116, now seen corresponding path program 1 times [2020-09-25 09:57:59,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:57:59,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367475724] [2020-09-25 09:57:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:58:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:58:00,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:58:00,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 09:58:00,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:58:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-09-25 09:58:00,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:58:00,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:58:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:58:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-25 09:58:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 09:58:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:58:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:58:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:58:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:58:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:58:00,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:58:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:58:00,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:58:00,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:58:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:58:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:58:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:58:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:58:00,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 09:58:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:58:00,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:58:00,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:58:00,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:58:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 09:58:00,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:58:00,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:58:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:58:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:58:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:58:00,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:58:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 09:58:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:58:00,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:58:00,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:58:00,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:58:00,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:58:00,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:58:00,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:58:00,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:58:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:58:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 09:58:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:58:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:58:00,968 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 09:58:00,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367475724] [2020-09-25 09:58:00,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:58:00,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:58:00,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136883510] [2020-09-25 09:58:00,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:58:00,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:58:01,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:58:01,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:58:01,005 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 5 states. [2020-09-25 09:58:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:58:01,346 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2020-09-25 09:58:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 09:58:01,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-09-25 09:58:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:58:01,360 INFO L225 Difference]: With dead ends: 145 [2020-09-25 09:58:01,360 INFO L226 Difference]: Without dead ends: 70 [2020-09-25 09:58:01,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:58:01,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-25 09:58:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-25 09:58:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 09:58:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 69 transitions. [2020-09-25 09:58:01,422 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 69 transitions. Word has length 39 [2020-09-25 09:58:01,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:58:01,422 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 69 transitions. [2020-09-25 09:58:01,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:58:01,423 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 69 transitions. [2020-09-25 09:58:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 09:58:01,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:58:01,426 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] [2020-09-25 09:58:01,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:58:01,427 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:58:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:58:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 396797035, now seen corresponding path program 1 times [2020-09-25 09:58:01,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:58:01,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472156784] [2020-09-25 09:58:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:58:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 09:58:01,499 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 09:58:01,499 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 09:58:01,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:58:01,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:58:01 BoogieIcfgContainer [2020-09-25 09:58:01,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 09:58:01,564 INFO L168 Benchmark]: Toolchain (without parser) took 2885.56 ms. Allocated memory was 150.5 MB in the beginning and 230.7 MB in the end (delta: 80.2 MB). Free memory was 105.2 MB in the beginning and 167.8 MB in the end (delta: -62.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2020-09-25 09:58:01,565 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 150.5 MB. Free memory was 123.9 MB in the beginning and 123.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-25 09:58:01,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.85 ms. Allocated memory was 150.5 MB in the beginning and 205.5 MB in the end (delta: 55.1 MB). Free memory was 104.7 MB in the beginning and 184.2 MB in the end (delta: -79.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-09-25 09:58:01,570 INFO L168 Benchmark]: Boogie Preprocessor took 52.52 ms. Allocated memory is still 205.5 MB. Free memory was 184.2 MB in the beginning and 181.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-25 09:58:01,571 INFO L168 Benchmark]: RCFGBuilder took 472.08 ms. Allocated memory is still 205.5 MB. Free memory was 181.3 MB in the beginning and 159.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-09-25 09:58:01,575 INFO L168 Benchmark]: TraceAbstraction took 1792.96 ms. Allocated memory was 205.5 MB in the beginning and 230.7 MB in the end (delta: 25.2 MB). Free memory was 159.1 MB in the beginning and 167.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2020-09-25 09:58:01,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 150.5 MB. Free memory was 123.9 MB in the beginning and 123.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 552.85 ms. Allocated memory was 150.5 MB in the beginning and 205.5 MB in the end (delta: 55.1 MB). Free memory was 104.7 MB in the beginning and 184.2 MB in the end (delta: -79.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.52 ms. Allocated memory is still 205.5 MB. Free memory was 184.2 MB in the beginning and 181.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.08 ms. Allocated memory is still 205.5 MB. Free memory was 181.3 MB in the beginning and 159.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1792.96 ms. Allocated memory was 205.5 MB in the beginning and 230.7 MB in the end (delta: 25.2 MB). Free memory was 159.1 MB in the beginning and 167.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of to_real at line 55. Possible FailurePath: [L50] double x = __VERIFIER_nondet_double(); [L53] CALL, EXPR isinf_double(x) [L17] __int32_t hx, lx; [L19] ieee_double_shape_type ew_u; [L20] ew_u.value = (x) [L21] EXPR ew_u.parts.msw [L21] (hx) = ew_u.parts.msw [L22] EXPR ew_u.parts.lsw [L22] (lx) = ew_u.parts.lsw [L24] hx &= 0x7fffffff [L25] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L26] hx = 0x7ff00000 - hx [L27] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L53] RET, EXPR isinf_double(x) [L53] !isinf_double(x) && !isnan_double(x) [L53] CALL, EXPR isnan_double(x) [L31] return x != x; [L53] RET, EXPR isnan_double(x) [L53] !isinf_double(x) && !isnan_double(x) [L53] COND TRUE !isinf_double(x) && !isnan_double(x) [L55] CALL, EXPR isfinite_double(x) [L34] __int32_t hx; [L36] ieee_double_shape_type gh_u; [L37] gh_u.value = (x) [L38] EXPR gh_u.parts.msw [L38] (hx) = gh_u.parts.msw [L40] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L55] RET, EXPR isfinite_double(x) [L55] double res = isfinite_double(x); [L58] COND TRUE res == 0.0 [L59] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 75 SDtfs, 24 SDslu, 106 SDs, 0 SdLazy, 100 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 0.9s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 2736 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...