/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/float_req_bl_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:19:34,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:19:34,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:19:34,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:19:34,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:19:34,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:19:34,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:19:34,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:19:34,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:19:34,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:19:34,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:19:34,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:19:34,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:19:34,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:19:34,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:19:34,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:19:34,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:19:34,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:19:34,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:19:34,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:19:34,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:19:34,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:19:34,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:19:34,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:19:34,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:19:34,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:19:34,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:19:34,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:19:34,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:19:34,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:19:34,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:19:34,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:19:34,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:19:34,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:19:34,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:19:34,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:19:34,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:19:34,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:19:34,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:19:34,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:19:34,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:19:34,132 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 23:19:34,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:19:34,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:19:34,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:19:34,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:19:34,156 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:19:34,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:19:34,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:19:34,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:19:34,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:19:34,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:19:34,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:19:34,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:19:34,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:19:34,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:19:34,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:19:34,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:19:34,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:19:34,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:19:34,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:19:34,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:19:34,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:19:34,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:19:34,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:19:34,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:19:34,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:19:34,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:19:34,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:19:34,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:19:34,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:19:34,161 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 23:19:34,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:19:34,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:19:34,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:19:34,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:19:34,492 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:19:34,493 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-10-14 23:19:34,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47e660f0b/3e61c7fea3644503a8bd0ab23f379418/FLAGede93e338 [2020-10-14 23:19:35,047 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:19:35,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-10-14 23:19:35,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47e660f0b/3e61c7fea3644503a8bd0ab23f379418/FLAGede93e338 [2020-10-14 23:19:35,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47e660f0b/3e61c7fea3644503a8bd0ab23f379418 [2020-10-14 23:19:35,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:19:35,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:19:35,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:19:35,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:19:35,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:19:35,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f42213d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35, skipping insertion in model container [2020-10-14 23:19:35,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:19:35,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:19:35,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:19:35,698 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:19:35,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:19:35,867 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:19:35,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35 WrapperNode [2020-10-14 23:19:35,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:19:35,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:19:35,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:19:35,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:19:35,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:19:35,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:19:35,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:19:35,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:19:35,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (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 23:19:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:19:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:19:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-10-14 23:19:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-10-14 23:19:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:19:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:19:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 23:19:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:19:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-10-14 23:19:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:19:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:19:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-14 23:19:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:19:36,465 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:19:36,465 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-14 23:19:36,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:36 BoogieIcfgContainer [2020-10-14 23:19:36,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:19:36,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:19:36,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:19:36,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:19:36,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:19:35" (1/3) ... [2020-10-14 23:19:36,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d15e74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:36, skipping insertion in model container [2020-10-14 23:19:36,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (2/3) ... [2020-10-14 23:19:36,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d15e74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:36, skipping insertion in model container [2020-10-14 23:19:36,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:36" (3/3) ... [2020-10-14 23:19:36,477 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2020-10-14 23:19:36,487 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:19:36,494 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:19:36,506 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:19:36,526 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:19:36,527 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:19:36,527 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:19:36,527 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:19:36,527 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:19:36,527 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:19:36,528 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:19:36,528 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:19:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-14 23:19:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 23:19:36,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:19:36,553 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] [2020-10-14 23:19:36,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:19:36,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:19:36,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1081724134, now seen corresponding path program 1 times [2020-10-14 23:19:36,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:19:36,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495493556] [2020-10-14 23:19:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:19:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:36,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:36,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 23:19:36,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:19:36,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-14 23:19:36,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:36,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 23:19:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:36,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:19:37,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:19:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:37,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:37,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:19:37,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:19:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:19:37,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:37,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:19:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:37,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:19:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:19:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:37,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:37,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:37,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:19:37,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:19:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:19:37,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:37,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:19:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:19:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:19:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:37,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:37,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:37,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:37,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:19:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:19:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 23:19:37,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:37,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 23:19:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:37,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:19:37,125 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 23:19:37,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495493556] [2020-10-14 23:19:37,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:19:37,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:19:37,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796416041] [2020-10-14 23:19:37,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:19:37,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:19:37,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:19:37,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:19:37,159 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 4 states. [2020-10-14 23:19:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:19:37,470 INFO L93 Difference]: Finished difference Result 112 states and 175 transitions. [2020-10-14 23:19:37,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 23:19:37,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-14 23:19:37,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:19:37,486 INFO L225 Difference]: With dead ends: 112 [2020-10-14 23:19:37,487 INFO L226 Difference]: Without dead ends: 55 [2020-10-14 23:19:37,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:19:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-14 23:19:37,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-14 23:19:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-14 23:19:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-10-14 23:19:37,568 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 25 [2020-10-14 23:19:37,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:19:37,569 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-10-14 23:19:37,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:19:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-10-14 23:19:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 23:19:37,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:19:37,572 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] [2020-10-14 23:19:37,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:19:37,573 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:19:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:19:37,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1695884658, now seen corresponding path program 1 times [2020-10-14 23:19:37,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:19:37,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027472421] [2020-10-14 23:19:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:19:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:19:37,650 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:19:37,651 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:19:37,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:19:37,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:19:37 BoogieIcfgContainer [2020-10-14 23:19:37,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:19:37,680 INFO L168 Benchmark]: Toolchain (without parser) took 2239.66 ms. Allocated memory was 146.8 MB in the beginning and 235.9 MB in the end (delta: 89.1 MB). Free memory was 102.8 MB in the beginning and 186.2 MB in the end (delta: -83.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,681 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.00 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 180.3 MB in the end (delta: -77.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,683 INFO L168 Benchmark]: Boogie Preprocessor took 54.12 ms. Allocated memory is still 204.5 MB. Free memory was 180.3 MB in the beginning and 178.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,684 INFO L168 Benchmark]: RCFGBuilder took 546.52 ms. Allocated memory is still 204.5 MB. Free memory was 178.4 MB in the beginning and 150.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,685 INFO L168 Benchmark]: TraceAbstraction took 1206.05 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 149.6 MB in the beginning and 186.2 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 23:19:37,689 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 428.00 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 180.3 MB in the end (delta: -77.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.12 ms. Allocated memory is still 204.5 MB. Free memory was 180.3 MB in the beginning and 178.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 546.52 ms. Allocated memory is still 204.5 MB. Free memory was 178.4 MB in the beginning and 150.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1206.05 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 149.6 MB in the beginning and 186.2 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L126] float x = __VERIFIER_nondet_float(); [L127] float y = -1.0f / 0.0f; [L129] CALL isfinite_float(x) [L109] __int32_t ix; [L111] ieee_float_shape_type gf_u; [L112] gf_u.value = (x) [L113] EXPR gf_u.word [L113] (ix) = gf_u.word [L115] ix &= 0x7fffffff [L116] return (((ix) < 0x7f800000L)); [L129] RET isfinite_float(x) [L129] COND TRUE isfinite_float(x) [L131] CALL, EXPR fmod_float(x, y) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); [L131] RET, EXPR fmod_float(x, y) [L131] float res = fmod_float(x, y); [L134] COND TRUE res != x [L135] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 6 SDslu, 63 SDs, 0 SdLazy, 78 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1656 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...