/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=0.5 --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 14:28:06,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:28:06,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:28:06,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:28:06,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:28:06,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:28:06,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:28:06,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:28:06,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:28:06,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:28:06,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:28:06,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:28:06,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:28:06,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:28:06,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:28:06,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:28:06,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:28:06,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:28:06,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:28:06,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:28:06,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:28:06,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:28:06,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:28:06,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:28:06,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:28:06,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:28:06,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:28:06,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:28:06,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:28:06,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:28:06,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:28:06,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:28:06,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:28:06,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:28:06,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:28:06,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:28:06,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:28:06,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:28:06,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:28:06,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:28:06,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:28:06,673 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 14:28:06,724 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:28:06,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:28:06,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:28:06,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:28:06,728 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:28:06,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:28:06,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:28:06,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:28:06,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:28:06,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:28:06,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:28:06,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:28:06,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:28:06,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:28:06,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:28:06,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:28:06,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:28:06,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:28:06,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:28:06,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:28:06,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:28:06,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:28:06,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:28:06,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:28:06,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:28:06,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:28:06,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:28:06,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:28:06,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:28:06,735 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:28:07,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:28:07,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:28:07,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:28:07,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:28:07,241 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:28:07,243 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c [2020-09-25 14:28:07,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d53230d/65ff76588d384cea86387fe4f9c46434/FLAGba604af24 [2020-09-25 14:28:07,921 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:28:07,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c [2020-09-25 14:28:07,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d53230d/65ff76588d384cea86387fe4f9c46434/FLAGba604af24 [2020-09-25 14:28:08,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d53230d/65ff76588d384cea86387fe4f9c46434 [2020-09-25 14:28:08,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:28:08,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:28:08,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:28:08,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:28:08,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:28:08,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2894617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08, skipping insertion in model container [2020-09-25 14:28:08,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:28:08,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:28:08,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:28:08,614 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:28:08,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:28:08,796 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:28:08,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08 WrapperNode [2020-09-25 14:28:08,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:28:08,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:28:08,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:28:08,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:28:08,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (1/1) ... [2020-09-25 14:28:08,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:28:08,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:28:08,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:28:08,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:28:08,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (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 14:28:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:28:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:28:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2020-09-25 14:28:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-09-25 14:28:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:28:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:28:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-25 14:28:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2020-09-25 14:28:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:28:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-25 14:28:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:28:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:28:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-25 14:28:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:28:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-09-25 14:28:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:28:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:28:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-09-25 14:28:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:28:09,660 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:28:09,661 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-25 14:28:09,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:28:09 BoogieIcfgContainer [2020-09-25 14:28:09,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:28:09,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:28:09,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:28:09,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:28:09,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:28:08" (1/3) ... [2020-09-25 14:28:09,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e1d1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:28:09, skipping insertion in model container [2020-09-25 14:28:09,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:08" (2/3) ... [2020-09-25 14:28:09,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e1d1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:28:09, skipping insertion in model container [2020-09-25 14:28:09,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:28:09" (3/3) ... [2020-09-25 14:28:09,679 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2020-09-25 14:28:09,691 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:28:09,702 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:28:09,726 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:28:09,763 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:28:09,763 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:28:09,763 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:28:09,763 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:28:09,763 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:28:09,764 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:28:09,764 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:28:09,764 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:28:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-09-25 14:28:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 14:28:09,806 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:09,808 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 14:28:09,808 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:09,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1577177176, now seen corresponding path program 1 times [2020-09-25 14:28:09,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:09,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751750297] [2020-09-25 14:28:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:10,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 14:28:10,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:28:10,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-09-25 14:28:10,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:10,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:10,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 14:28:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:10,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:28:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:10,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:28:10,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:10,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 14:28:10,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:10,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:10,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:10,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:28:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:10,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:10,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:28:10,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:28:10,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:10,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:10,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 14:28:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:10,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-25 14:28:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:10,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 14:28:10,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:28:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:28:10,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:10,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:28:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:10,597 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 14:28:10,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751750297] [2020-09-25 14:28:10,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:10,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:28:10,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794541662] [2020-09-25 14:28:10,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:28:10,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:10,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:28:10,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:28:10,633 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-09-25 14:28:11,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:11,213 INFO L93 Difference]: Finished difference Result 414 states and 503 transitions. [2020-09-25 14:28:11,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:28:11,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-25 14:28:11,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:11,232 INFO L225 Difference]: With dead ends: 414 [2020-09-25 14:28:11,232 INFO L226 Difference]: Without dead ends: 209 [2020-09-25 14:28:11,239 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 14:28:11,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-09-25 14:28:11,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2020-09-25 14:28:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-25 14:28:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 235 transitions. [2020-09-25 14:28:11,316 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 235 transitions. Word has length 51 [2020-09-25 14:28:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:11,316 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 235 transitions. [2020-09-25 14:28:11,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:28:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 235 transitions. [2020-09-25 14:28:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-25 14:28:11,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:11,321 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 14:28:11,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:28:11,321 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:11,322 INFO L82 PathProgramCache]: Analyzing trace with hash -16125544, now seen corresponding path program 1 times [2020-09-25 14:28:11,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:11,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346073897] [2020-09-25 14:28:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 14:28:11,456 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 14:28:11,456 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 14:28:11,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:28:11,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:28:11 BoogieIcfgContainer [2020-09-25 14:28:11,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:28:11,499 INFO L168 Benchmark]: Toolchain (without parser) took 3243.38 ms. Allocated memory was 148.4 MB in the beginning and 232.8 MB in the end (delta: 84.4 MB). Free memory was 103.0 MB in the beginning and 114.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:11,500 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.3 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-25 14:28:11,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.14 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 181.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:11,503 INFO L168 Benchmark]: Boogie Preprocessor took 71.13 ms. Allocated memory is still 205.5 MB. Free memory was 181.2 MB in the beginning and 178.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:11,504 INFO L168 Benchmark]: RCFGBuilder took 799.59 ms. Allocated memory is still 205.5 MB. Free memory was 177.2 MB in the beginning and 131.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:11,505 INFO L168 Benchmark]: TraceAbstraction took 1824.81 ms. Allocated memory was 205.5 MB in the beginning and 232.8 MB in the end (delta: 27.3 MB). Free memory was 130.4 MB in the beginning and 114.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:11,509 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.3 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 538.14 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 181.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.13 ms. Allocated memory is still 205.5 MB. Free memory was 181.2 MB in the beginning and 178.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 799.59 ms. Allocated memory is still 205.5 MB. Free memory was 177.2 MB in the beginning and 131.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1824.81 ms. Allocated memory was 205.5 MB in the beginning and 232.8 MB in the end (delta: 27.3 MB). Free memory was 130.4 MB in the beginning and 114.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 43.5 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, 0.5s 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...