/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:05:12,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:05:12,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:05:12,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:05:12,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:05:12,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:05:12,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:05:12,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:05:12,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:05:12,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:05:12,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:05:12,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:05:12,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:05:12,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:05:12,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:05:12,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:05:12,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:05:12,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:05:12,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:05:12,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:05:12,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:05:12,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:05:12,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:05:12,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:05:12,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:05:12,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:05:12,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:05:12,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:05:12,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:05:12,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:05:12,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:05:12,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:05:12,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:05:12,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:05:12,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:05:12,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:05:12,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:05:12,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:05:12,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:05:12,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:05:12,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:05:12,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:05:12,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:05:12,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:05:12,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:05:12,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:05:12,400 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:05:12,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:05:12,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:05:12,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:05:12,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:05:12,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:05:12,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:05:12,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:05:12,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:05:12,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:05:12,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:05:12,402 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:05:12,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:05:12,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:05:12,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:05:12,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:05:12,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:05:12,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:05:12,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:05:12,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:05:12,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:05:12,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:05:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:05:12,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:05:12,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:05:12,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:05:12,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:05:12,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:05:12,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:05:12,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:05:12,971 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:05:12,972 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c [2020-09-25 11:05:13,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05384e6f6/7fb77c75b81b46fd8e98ff32704cc992/FLAGa8020d598 [2020-09-25 11:05:13,622 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:05:13,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c [2020-09-25 11:05:13,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05384e6f6/7fb77c75b81b46fd8e98ff32704cc992/FLAGa8020d598 [2020-09-25 11:05:13,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05384e6f6/7fb77c75b81b46fd8e98ff32704cc992 [2020-09-25 11:05:13,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:05:13,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:05:13,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:05:13,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:05:13,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:05:13,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:05:13" (1/1) ... [2020-09-25 11:05:13,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:13, skipping insertion in model container [2020-09-25 11:05:13,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:05:13" (1/1) ... [2020-09-25 11:05:13,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:05:14,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:05:14,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:05:14,343 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:05:14,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:05:14,521 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:05:14,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14 WrapperNode [2020-09-25 11:05:14,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:05:14,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:05:14,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:05:14,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:05:14,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... [2020-09-25 11:05:14,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:05:14,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:05:14,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:05:14,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:05:14,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:05:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:05:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:05:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2020-09-25 11:05:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-09-25 11:05:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:05:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:05:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-25 11:05:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2020-09-25 11:05:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:05:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-25 11:05:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:05:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:05:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-25 11:05:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:05:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-09-25 11:05:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:05:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:05:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-09-25 11:05:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:05:15,456 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:05:15,456 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-25 11:05:15,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:05:15 BoogieIcfgContainer [2020-09-25 11:05:15,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:05:15,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:05:15,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:05:15,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:05:15,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:05:13" (1/3) ... [2020-09-25 11:05:15,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e44feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:05:15, skipping insertion in model container [2020-09-25 11:05:15,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:05:14" (2/3) ... [2020-09-25 11:05:15,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e44feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:05:15, skipping insertion in model container [2020-09-25 11:05:15,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:05:15" (3/3) ... [2020-09-25 11:05:15,475 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2020-09-25 11:05:15,489 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:05:15,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:05:15,527 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:05:15,563 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:05:15,563 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:05:15,563 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:05:15,563 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:05:15,564 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:05:15,564 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:05:15,564 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:05:15,564 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:05:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-09-25 11:05:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 11:05:15,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:05:15,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:05:15,604 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:05:15,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:05:15,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1577177176, now seen corresponding path program 1 times [2020-09-25 11:05:15,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:05:15,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844754330] [2020-09-25 11:05:15,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:05:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:05:15,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:15,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:15,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:16,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:05:16,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 11:05:16,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:05:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-09-25 11:05:16,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:05:16,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:05:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:05:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 11:05:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:05:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:05:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:05:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:05:16,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:16,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:05:16,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:05:16,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:05:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 11:05:16,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:05:16,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:05:16,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:05:16,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:05:16,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:05:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:05:16,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:05:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:05:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:16,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:05:16,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:05:16,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:05:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 11:05:16,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:05:16,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:05:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:05:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 11:05:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:05:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:05:16,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-25 11:05:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:05:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:16,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:16,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:05:16,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:05:16,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 11:05:16,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:05:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 11:05:16,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:05:16,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:05:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:05:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:05:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:05:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:05:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:05:16,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844754330] [2020-09-25 11:05:16,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:05:16,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:05:16,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558037124] [2020-09-25 11:05:16,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:05:16,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:05:16,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:05:16,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:05:16,564 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-09-25 11:05:17,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:05:17,145 INFO L93 Difference]: Finished difference Result 414 states and 503 transitions. [2020-09-25 11:05:17,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 11:05:17,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-25 11:05:17,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:05:17,166 INFO L225 Difference]: With dead ends: 414 [2020-09-25 11:05:17,166 INFO L226 Difference]: Without dead ends: 209 [2020-09-25 11:05:17,173 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 [2020-09-25 11:05:17,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-09-25 11:05:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2020-09-25 11:05:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-25 11:05:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 235 transitions. [2020-09-25 11:05:17,244 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 235 transitions. Word has length 51 [2020-09-25 11:05:17,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:05:17,244 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 235 transitions. [2020-09-25 11:05:17,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:05:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 235 transitions. [2020-09-25 11:05:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-25 11:05:17,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:05:17,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:05:17,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:05:17,249 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:05:17,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:05:17,250 INFO L82 PathProgramCache]: Analyzing trace with hash -16125544, now seen corresponding path program 1 times [2020-09-25 11:05:17,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:05:17,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822572929] [2020-09-25 11:05:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:05:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 11:05:17,332 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 11:05:17,333 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 11:05:17,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:05:17,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:05:17 BoogieIcfgContainer [2020-09-25 11:05:17,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:05:17,395 INFO L168 Benchmark]: Toolchain (without parser) took 3443.65 ms. Allocated memory was 141.0 MB in the beginning and 234.4 MB in the end (delta: 93.3 MB). Free memory was 103.0 MB in the beginning and 117.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-09-25 11:05:17,398 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 11:05:17,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.47 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 179.8 MB in the end (delta: -77.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-09-25 11:05:17,400 INFO L168 Benchmark]: Boogie Preprocessor took 73.98 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 177.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-25 11:05:17,401 INFO L168 Benchmark]: RCFGBuilder took 867.26 ms. Allocated memory is still 204.5 MB. Free memory was 176.6 MB in the beginning and 130.1 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2020-09-25 11:05:17,403 INFO L168 Benchmark]: TraceAbstraction took 1925.66 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 130.1 MB in the beginning and 117.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2020-09-25 11:05:17,413 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 564.47 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 179.8 MB in the end (delta: -77.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.98 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 177.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 867.26 ms. Allocated memory is still 204.5 MB. Free memory was 176.6 MB in the beginning and 130.1 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1925.66 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 130.1 MB in the beginning and 117.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 186]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 41, overapproximation of someUnaryDOUBLEoperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of bitwiseXor at line 37. Possible FailurePath: [L15-L18] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L177] double y = -1.0 / 0.0; [L178] double x = __VERIFIER_nondet_double(); [L180] CALL isfinite_double(x) [L161] __int32_t hx; [L163] ieee_double_shape_type gh_u; [L164] gh_u.value = (x) [L165] EXPR gh_u.parts.msw [L165] (hx) = gh_u.parts.msw [L167] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L180] RET isfinite_double(x) [L180] COND TRUE isfinite_double(x) [L182] CALL, EXPR fmod_double(x, y) [L21] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L22] __uint32_t lx, ly, lz; [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (hx) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lx) = ew_u.parts.lsw [L31] ieee_double_shape_type ew_u; [L32] ew_u.value = (y) [L33] EXPR ew_u.parts.msw [L33] (hy) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] (ly) = ew_u.parts.lsw [L36] sx = hx & 0x80000000 [L37] hx ^= sx [L38] hy &= 0x7fffffff [L40-L41] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L42] return (x * y) / (x * y); [L182] RET, EXPR fmod_double(x, y) [L182] double res = fmod_double(x, y); [L185] COND TRUE res != x [L186] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 239 SDtfs, 37 SDslu, 182 SDs, 0 SdLazy, 260 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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=216occurred 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, 0.7s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 4750 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...