/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/double_req_bl_0971.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:46:54,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:46:54,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:46:54,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:46:54,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:46:54,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:46:54,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:46:54,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:46:54,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:46:54,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:46:54,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:46:54,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:46:54,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:46:54,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:46:54,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:46:54,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:46:54,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:46:54,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:46:54,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:46:54,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:46:54,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:46:54,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:46:54,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:46:54,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:46:54,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:46:54,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:46:54,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:46:54,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:46:54,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:46:54,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:46:54,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:46:54,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:46:54,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:46:54,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:46:54,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:46:54,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:46:54,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:46:54,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:46:54,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:46:54,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:46:54,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:46:54,260 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 04:46:54,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:46:54,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:46:54,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:46:54,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:46:54,288 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:46:54,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:46:54,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:46:54,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:46:54,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:46:54,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:46:54,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:46:54,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:46:54,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:46:54,290 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:46:54,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:46:54,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:46:54,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:46:54,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:46:54,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:46:54,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:46:54,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:46:54,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:46:54,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:46:54,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:46:54,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:46:54,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:46:54,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:46:54,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:46:54,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:46:54,293 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 04:46:54,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:46:54,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:46:54,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:46:54,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:46:54,626 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:46:54,627 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0971.c [2020-10-14 04:46:54,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29a0a6458/dffc5bec3a3e4bdb99c9aa69da648cbc/FLAG9b2bb787b [2020-10-14 04:46:55,106 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:46:55,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0971.c [2020-10-14 04:46:55,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29a0a6458/dffc5bec3a3e4bdb99c9aa69da648cbc/FLAG9b2bb787b [2020-10-14 04:46:55,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29a0a6458/dffc5bec3a3e4bdb99c9aa69da648cbc [2020-10-14 04:46:55,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:46:55,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:46:55,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:46:55,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:46:55,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:46:55,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:46:55" (1/1) ... [2020-10-14 04:46:55,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cc86df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:55, skipping insertion in model container [2020-10-14 04:46:55,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:46:55" (1/1) ... [2020-10-14 04:46:55,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:46:55,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:46:55,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:46:55,794 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:46:56,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:46:56,069 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:46:56,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56 WrapperNode [2020-10-14 04:46:56,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:46:56,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:46:56,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:46:56,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:46:56,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (1/1) ... [2020-10-14 04:46:56,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:46:56,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:46:56,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:46:56,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:46:56,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (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 04:46:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2020-10-14 04:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2020-10-14 04:46:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-14 04:46:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:46:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-14 04:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2020-10-14 04:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 04:46:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 04:46:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:46:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 04:46:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 04:46:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2020-10-14 04:46:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-14 04:46:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:46:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:46:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:46:56,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:46:56,741 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-14 04:46:56,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:46:56 BoogieIcfgContainer [2020-10-14 04:46:56,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:46:56,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:46:56,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:46:56,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:46:56,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:46:55" (1/3) ... [2020-10-14 04:46:56,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0455f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:46:56, skipping insertion in model container [2020-10-14 04:46:56,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:46:56" (2/3) ... [2020-10-14 04:46:56,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0455f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:46:56, skipping insertion in model container [2020-10-14 04:46:56,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:46:56" (3/3) ... [2020-10-14 04:46:56,755 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971.c [2020-10-14 04:46:56,766 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:46:56,774 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 04:46:56,789 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 04:46:56,817 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:46:56,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:46:56,818 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:46:56,818 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:46:56,818 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:46:56,819 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:46:56,819 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:46:56,819 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:46:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-10-14 04:46:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 04:46:56,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:46:56,851 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 04:46:56,851 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:46:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:46:56,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1314877079, now seen corresponding path program 1 times [2020-10-14 04:46:56,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:46:56,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349522261] [2020-10-14 04:46:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:46:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:46:57,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:46:57,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:46:57,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 04:46:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:46:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 04:46:57,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:46:57,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:46:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:46:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 04:46:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:46:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 04:46:57,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:46:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:46:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:46:57,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:46:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:46:57,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:46:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:46:57,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:46:57,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:46:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:46:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:46:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:46:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:46:57,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:46:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:46:57,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:46:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:46:57,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 04:46:57,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:46:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 04:46:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:46:57,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:46:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:46:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:46:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:46:57,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:46:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 04:46:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:46:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:46:57,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:46:57,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:46:57,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:46:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 04:46:57,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:46:57,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:46:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:46:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:46:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:46:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:46:57,557 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 04:46:57,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349522261] [2020-10-14 04:46:57,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:46:57,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 04:46:57,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116911771] [2020-10-14 04:46:57,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 04:46:57,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:46:57,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 04:46:57,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:46:57,588 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2020-10-14 04:46:57,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:46:57,959 INFO L93 Difference]: Finished difference Result 108 states and 163 transitions. [2020-10-14 04:46:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 04:46:57,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-14 04:46:57,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:46:57,973 INFO L225 Difference]: With dead ends: 108 [2020-10-14 04:46:57,973 INFO L226 Difference]: Without dead ends: 54 [2020-10-14 04:46:57,977 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 04:46:57,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-14 04:46:58,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-14 04:46:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 04:46:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2020-10-14 04:46:58,027 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 22 [2020-10-14 04:46:58,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:46:58,027 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2020-10-14 04:46:58,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 04:46:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2020-10-14 04:46:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 04:46:58,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:46:58,029 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] [2020-10-14 04:46:58,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:46:58,030 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:46:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:46:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1448493112, now seen corresponding path program 1 times [2020-10-14 04:46:58,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:46:58,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548288560] [2020-10-14 04:46:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:46:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 04:46:58,070 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 04:46:58,070 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 04:46:58,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:46:58,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:46:58 BoogieIcfgContainer [2020-10-14 04:46:58,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 04:46:58,095 INFO L168 Benchmark]: Toolchain (without parser) took 2562.74 ms. Allocated memory was 147.8 MB in the beginning and 231.2 MB in the end (delta: 83.4 MB). Free memory was 103.6 MB in the beginning and 155.5 MB in the end (delta: -51.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-14 04:46:58,096 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 04:46:58,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.52 ms. Allocated memory was 147.8 MB in the beginning and 208.7 MB in the end (delta: 60.8 MB). Free memory was 103.2 MB in the beginning and 183.9 MB in the end (delta: -80.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:46:58,098 INFO L168 Benchmark]: Boogie Preprocessor took 93.57 ms. Allocated memory is still 208.7 MB. Free memory was 183.9 MB in the beginning and 181.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-14 04:46:58,099 INFO L168 Benchmark]: RCFGBuilder took 581.05 ms. Allocated memory is still 208.7 MB. Free memory was 181.8 MB in the beginning and 151.8 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:46:58,099 INFO L168 Benchmark]: TraceAbstraction took 1345.29 ms. Allocated memory was 208.7 MB in the beginning and 231.2 MB in the end (delta: 22.5 MB). Free memory was 150.9 MB in the beginning and 155.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2020-10-14 04:46:58,103 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 537.52 ms. Allocated memory was 147.8 MB in the beginning and 208.7 MB in the end (delta: 60.8 MB). Free memory was 103.2 MB in the beginning and 183.9 MB in the end (delta: -80.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.57 ms. Allocated memory is still 208.7 MB. Free memory was 183.9 MB in the beginning and 181.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 581.05 ms. Allocated memory is still 208.7 MB. Free memory was 181.8 MB in the beginning and 151.8 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1345.29 ms. Allocated memory was 208.7 MB in the beginning and 231.2 MB in the end (delta: 22.5 MB). Free memory was 150.9 MB in the beginning and 155.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; [L170] double x = 0.0 / 0.0; [L171] CALL, EXPR __ieee754_log10(x) [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 [L131] COND TRUE hx < 0x00100000 [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; [L171] RET, EXPR __ieee754_log10(x) [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) [L161] return x != x; [L174] RET, EXPR isnan_double(res) [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 58 SDslu, 5 SDs, 0 SdLazy, 73 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=58occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1890 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...