/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_0470.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:16:33,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:16:33,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:16:33,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:16:33,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:16:33,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:16:33,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:16:33,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:16:33,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:16:33,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:16:33,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:16:33,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:16:33,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:16:33,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:16:33,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:16:33,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:16:33,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:16:33,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:16:33,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:16:33,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:16:33,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:16:33,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:16:33,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:16:33,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:16:33,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:16:33,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:16:33,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:16:33,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:16:33,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:16:33,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:16:33,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:16:33,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:16:33,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:16:33,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:16:33,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:16:33,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:16:33,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:16:33,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:16:33,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:16:33,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:16:33,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:16:33,094 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 23:16:33,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:16:33,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:16:33,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:16:33,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:16:33,152 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:16:33,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:16:33,155 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:16:33,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:16:33,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:16:33,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:16:33,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:16:33,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:16:33,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:16:33,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:16:33,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:16:33,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:16:33,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:16:33,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:16:33,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:16:33,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:16:33,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:16:33,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:16:33,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:16:33,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:16:33,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:16:33,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:16:33,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:16:33,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:16:33,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:16:33,161 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:16:33,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:16:33,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:16:33,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:16:33,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:16:33,516 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:16:33,517 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470.c [2020-10-14 23:16:33,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae2a5d8c9/7276bd032487495d8d7f113bc514baaf/FLAG7bf687d4b [2020-10-14 23:16:34,132 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:16:34,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0470.c [2020-10-14 23:16:34,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae2a5d8c9/7276bd032487495d8d7f113bc514baaf/FLAG7bf687d4b [2020-10-14 23:16:34,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae2a5d8c9/7276bd032487495d8d7f113bc514baaf [2020-10-14 23:16:34,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:16:34,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:16:34,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:16:34,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:16:34,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:16:34,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:16:34" (1/1) ... [2020-10-14 23:16:34,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:34, skipping insertion in model container [2020-10-14 23:16:34,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:16:34" (1/1) ... [2020-10-14 23:16:34,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:16:34,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:16:34,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:16:34,824 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:16:34,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:16:35,005 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:16:35,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35 WrapperNode [2020-10-14 23:16:35,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:16:35,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:16:35,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:16:35,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:16:35,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (1/1) ... [2020-10-14 23:16:35,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:16:35,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:16:35,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:16:35,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:16:35,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (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 23:16:35,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:16:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:16:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-14 23:16:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-10-14 23:16:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2020-10-14 23:16:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:16:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:16:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-14 23:16:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-10-14 23:16:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:16:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 23:16:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:16:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:16:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:16:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 23:16:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2020-10-14 23:16:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:16:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:16:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:16:35,768 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:16:35,769 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-14 23:16:35,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:35 BoogieIcfgContainer [2020-10-14 23:16:35,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:16:35,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:16:35,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:16:35,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:16:35,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:16:34" (1/3) ... [2020-10-14 23:16:35,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7672b02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:16:35, skipping insertion in model container [2020-10-14 23:16:35,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:35" (2/3) ... [2020-10-14 23:16:35,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7672b02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:16:35, skipping insertion in model container [2020-10-14 23:16:35,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:35" (3/3) ... [2020-10-14 23:16:35,784 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2020-10-14 23:16:35,795 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:16:35,804 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:16:35,819 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:16:35,845 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:16:35,845 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:16:35,845 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:16:35,846 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:16:35,846 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:16:35,846 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:16:35,846 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:16:35,847 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:16:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2020-10-14 23:16:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 23:16:35,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:16:35,877 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 23:16:35,877 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:16:35,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:16:35,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1419062692, now seen corresponding path program 1 times [2020-10-14 23:16:35,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:16:35,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057055625] [2020-10-14 23:16:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:16:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:16:36,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:16:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:16:36,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:16:36,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 23:16:36,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:16:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-14 23:16:36,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:16:36,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:16:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:16:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 23:16:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:16:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:16:36,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:16:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:16:36,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:16:36,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:16:36,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:16:36,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:16:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 23:16:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:16:36,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:16:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:16:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:16:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:16:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:16:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:16:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:16:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:16:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:16:36,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:16:36,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:16:36,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:16:36,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:16:36,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:16:36,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:16:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:16:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 23:16:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:16:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:16:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 23:16:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:16:36,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:16:36,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:16:36,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:16:36,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:16:36,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:16:36,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:16:36,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:16:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:16:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:16:36,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:16:36,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:16:36,527 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 23:16:36,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057055625] [2020-10-14 23:16:36,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:16:36,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:16:36,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028088634] [2020-10-14 23:16:36,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:16:36,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:16:36,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:16:36,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:16:36,572 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2020-10-14 23:16:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:16:37,041 INFO L93 Difference]: Finished difference Result 158 states and 242 transitions. [2020-10-14 23:16:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:16:37,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-14 23:16:37,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:16:37,056 INFO L225 Difference]: With dead ends: 158 [2020-10-14 23:16:37,056 INFO L226 Difference]: Without dead ends: 79 [2020-10-14 23:16:37,061 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 23:16:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-14 23:16:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-10-14 23:16:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-14 23:16:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2020-10-14 23:16:37,119 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2020-10-14 23:16:37,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:16:37,120 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2020-10-14 23:16:37,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:16:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2020-10-14 23:16:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-14 23:16:37,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:16:37,123 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] [2020-10-14 23:16:37,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:16:37,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:16:37,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:16:37,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1187960204, now seen corresponding path program 1 times [2020-10-14 23:16:37,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:16:37,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262741854] [2020-10-14 23:16:37,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:16:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:16:37,154 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:16:37,155 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:16:37,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:16:37,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:16:37 BoogieIcfgContainer [2020-10-14 23:16:37,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:16:37,180 INFO L168 Benchmark]: Toolchain (without parser) took 2645.60 ms. Allocated memory was 145.8 MB in the beginning and 234.9 MB in the end (delta: 89.1 MB). Free memory was 101.3 MB in the beginning and 136.0 MB in the end (delta: -34.7 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2020-10-14 23:16:37,181 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 23:16:37,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.02 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 176.6 MB in the end (delta: -75.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:16:37,183 INFO L168 Benchmark]: Boogie Preprocessor took 73.74 ms. Allocated memory is still 202.4 MB. Free memory was 176.6 MB in the beginning and 173.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-14 23:16:37,184 INFO L168 Benchmark]: RCFGBuilder took 693.63 ms. Allocated memory is still 202.4 MB. Free memory was 173.6 MB in the beginning and 137.6 MB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:16:37,185 INFO L168 Benchmark]: TraceAbstraction took 1401.74 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 136.7 MB in the beginning and 136.0 MB in the end (delta: 632.8 kB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-10-14 23:16:37,189 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.02 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 176.6 MB in the end (delta: -75.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.74 ms. Allocated memory is still 202.4 MB. Free memory was 176.6 MB in the beginning and 173.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 693.63 ms. Allocated memory is still 202.4 MB. Free memory was 173.6 MB in the beginning and 137.6 MB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1401.74 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 136.7 MB in the beginning and 136.0 MB in the end (delta: 632.8 kB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L224] double x = 0.0 / 0.0; [L225] CALL, EXPR __ieee754_acos(x) [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; [L150] ieee_double_shape_type gh_u; [L151] gh_u.value = (x) [L152] EXPR gh_u.parts.msw [L152] (hx) = gh_u.parts.msw [L154] ix = hx & 0x7fffffff [L155] COND FALSE !(ix >= 0x3ff00000) [L170] COND TRUE ix < 0x3fe00000 [L171] COND TRUE ix <= 0x3c600000 [L172] return pio2_hi_acos + pio2_lo_acos; [L225] RET, EXPR __ieee754_acos(x) [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) [L17] return x != x; [L228] RET, EXPR isnan_double(res) [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 94 SDslu, 5 SDs, 0 SdLazy, 108 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred 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, 0.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 2002 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...