/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1210.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:13:25,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:13:25,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:13:25,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:13:25,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:13:25,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:13:25,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:13:25,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:13:25,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:13:25,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:13:25,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:13:25,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:13:25,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:13:25,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:13:25,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:13:25,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:13:25,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:13:25,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:13:25,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:13:25,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:13:25,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:13:25,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:13:25,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:13:25,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:13:25,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:13:25,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:13:25,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:13:25,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:13:25,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:13:25,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:13:25,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:13:25,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:13:25,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:13:25,940 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:13:25,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:13:25,941 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:13:25,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:13:25,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:13:25,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:13:25,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:13:25,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:13:25,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:13:25,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:13:25,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:13:25,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:13:25,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:13:25,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:13:25,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:13:25,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:13:25,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:13:25,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:13:25,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:13:25,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:13:25,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:13:25,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:13:25,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:13:25,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:13:25,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:13:26,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:13:26,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:13:26,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:13:26,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:13:26,381 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:13:26,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1210.c [2021-02-23 13:13:26,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d377e0d/27e15650a67147f6839058709b671df1/FLAG539993db3 [2021-02-23 13:13:27,063 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:13:27,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1210.c [2021-02-23 13:13:27,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d377e0d/27e15650a67147f6839058709b671df1/FLAG539993db3 [2021-02-23 13:13:27,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d377e0d/27e15650a67147f6839058709b671df1 [2021-02-23 13:13:27,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:13:27,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:13:27,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:13:27,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:13:27,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:13:27,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6409db5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27, skipping insertion in model container [2021-02-23 13:13:27,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:13:27,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:13:27,738 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1210.c[2159,2172] [2021-02-23 13:13:27,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:13:27,753 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:13:27,786 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1210.c[2159,2172] [2021-02-23 13:13:27,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:13:27,820 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:13:27,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27 WrapperNode [2021-02-23 13:13:27,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:13:27,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:13:27,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:13:27,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:13:27,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... [2021-02-23 13:13:27,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:13:27,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:13:27,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:13:27,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:13:27,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-23 13:13:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:13:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:13:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:13:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2021-02-23 13:13:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2021-02-23 13:13:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:13:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:13:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:13:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:13:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:13:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2021-02-23 13:13:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-23 13:13:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:13:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:13:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:13:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-23 13:13:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2021-02-23 13:13:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:13:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:13:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:13:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:13:28,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:13:28,670 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-02-23 13:13:28,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:13:28 BoogieIcfgContainer [2021-02-23 13:13:28,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:13:28,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:13:28,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:13:28,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:13:28,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:13:27" (1/3) ... [2021-02-23 13:13:28,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448d4edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:13:28, skipping insertion in model container [2021-02-23 13:13:28,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:27" (2/3) ... [2021-02-23 13:13:28,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448d4edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:13:28, skipping insertion in model container [2021-02-23 13:13:28,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:13:28" (3/3) ... [2021-02-23 13:13:28,689 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1210.c [2021-02-23 13:13:28,696 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:13:28,702 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:13:28,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:13:28,746 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:13:28,747 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:13:28,747 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:13:28,747 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:13:28,747 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:13:28,747 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:13:28,748 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:13:28,748 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:13:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2021-02-23 13:13:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 13:13:28,773 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:13:28,774 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] [2021-02-23 13:13:28,774 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:13:28,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:13:28,781 INFO L82 PathProgramCache]: Analyzing trace with hash -356756985, now seen corresponding path program 1 times [2021-02-23 13:13:28,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:13:28,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032316822] [2021-02-23 13:13:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:13:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:13:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:13:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-02-23 13:13:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:13:29,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032316822] [2021-02-23 13:13:29,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:13:29,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:13:29,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964414182] [2021-02-23 13:13:29,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:13:29,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:13:29,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:13:29,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:13:29,249 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2021-02-23 13:13:29,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:13:29,611 INFO L93 Difference]: Finished difference Result 88 states and 126 transitions. [2021-02-23 13:13:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 13:13:29,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-23 13:13:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:13:29,622 INFO L225 Difference]: With dead ends: 88 [2021-02-23 13:13:29,622 INFO L226 Difference]: Without dead ends: 44 [2021-02-23 13:13:29,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:13:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-02-23 13:13:29,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-02-23 13:13:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-02-23 13:13:29,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2021-02-23 13:13:29,690 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 25 [2021-02-23 13:13:29,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:13:29,691 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2021-02-23 13:13:29,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:13:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2021-02-23 13:13:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:13:29,694 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:13:29,694 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] [2021-02-23 13:13:29,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:13:29,695 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:13:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:13:29,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2084032678, now seen corresponding path program 1 times [2021-02-23 13:13:29,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:13:29,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191127417] [2021-02-23 13:13:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:13:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-23 13:13:29,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:13:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:13:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:13:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:29,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:29,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:13:29,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191127417] [2021-02-23 13:13:29,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:13:29,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:13:29,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970570097] [2021-02-23 13:13:29,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:13:29,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:13:29,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:13:29,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:13:29,943 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 5 states. [2021-02-23 13:13:30,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:13:30,139 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2021-02-23 13:13:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:13:30,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-02-23 13:13:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:13:30,142 INFO L225 Difference]: With dead ends: 47 [2021-02-23 13:13:30,142 INFO L226 Difference]: Without dead ends: 44 [2021-02-23 13:13:30,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:13:30,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-02-23 13:13:30,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-02-23 13:13:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-02-23 13:13:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2021-02-23 13:13:30,154 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 27 [2021-02-23 13:13:30,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:13:30,156 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2021-02-23 13:13:30,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:13:30,156 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-02-23 13:13:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-23 13:13:30,157 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:13:30,158 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-02-23 13:13:30,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:13:30,158 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:13:30,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:13:30,159 INFO L82 PathProgramCache]: Analyzing trace with hash -513749621, now seen corresponding path program 1 times [2021-02-23 13:13:30,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:13:30,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155834041] [2021-02-23 13:13:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:13:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:13:30,219 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:13:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:13:30,312 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:13:30,365 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:13:30,365 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:13:30,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:13:30,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:13:30 BoogieIcfgContainer [2021-02-23 13:13:30,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:13:30,422 INFO L168 Benchmark]: Toolchain (without parser) took 2979.26 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 109.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:30,422 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:13:30,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.02 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 114.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:30,424 INFO L168 Benchmark]: Boogie Preprocessor took 110.83 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 112.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:30,425 INFO L168 Benchmark]: RCFGBuilder took 739.11 ms. Allocated memory is still 151.0 MB. Free memory was 112.5 MB in the beginning and 122.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:30,426 INFO L168 Benchmark]: TraceAbstraction took 1742.38 ms. Allocated memory is still 151.0 MB. Free memory was 121.5 MB in the beginning and 109.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:30,430 INFO L339 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 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 362.02 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 114.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.83 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 112.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 739.11 ms. Allocated memory is still 151.0 MB. Free memory was 112.5 MB in the beginning and 122.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1742.38 ms. Allocated memory is still 151.0 MB. Free memory was 121.5 MB in the beginning and 109.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 82, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L13] static const float one_modf = 1.0; VAL [\old(one_modf)=4294967312, one_modf=1] [L82] float x = 0.0f / 0.0f; [L83] float iptr; VAL [iptr={8:0}, one_modf=1] [L84] CALL, EXPR modf_float(x, &iptr) VAL [\old(x)=4294967310, iptr={8:0}, one_modf=1] [L16] __int32_t i0, j0; [L17] __uint32_t i; VAL [\old(x)=4294967310, iptr={8:0}, iptr={8:0}, one_modf=1, x=4294967310] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=4294967310, i0=10, iptr={8:0}, iptr={8:0}, one_modf=1, x=4294967310] [L24] COND TRUE j0 < 23 VAL [\old(x)=4294967310, i0=10, iptr={8:0}, iptr={8:0}, j0=-1, one_modf=1, x=4294967310] [L25] COND TRUE j0 < 0 VAL [\old(x)=4294967310, i0=10, iptr={8:0}, iptr={8:0}, j0=-1, one_modf=1, x=4294967310] [L27] ieee_float_shape_type sf_u; [L28] sf_u.word = (i0 & 0x80000000) [L29] EXPR sf_u.value [L29] (*iptr) = sf_u.value [L31] return x; VAL [\old(x)=4294967310, \result=4294967310, i0=10, iptr={8:0}, iptr={8:0}, j0=-1, one_modf=1, x=4294967310] [L84] RET, EXPR modf_float(x, &iptr) VAL [iptr={8:0}, modf_float(x, &iptr)=4294967310, one_modf=1, x=4294967310] [L84] float res = modf_float(x, &iptr); [L87] EXPR \read(iptr) VAL [\read(iptr)=4294967319, iptr={8:0}, one_modf=1, res=4294967310, x=4294967310] [L87] CALL, EXPR isnan_float(iptr) VAL [\old(x)=4294967319, one_modf=1] [L75] return x != x; VAL [\old(x)=4294967319, \result=1, one_modf=1, x=4294967319] [L87] RET, EXPR isnan_float(iptr) VAL [\read(iptr)=4294967319, iptr={8:0}, isnan_float(iptr)=1, one_modf=1, res=4294967310, x=4294967310] [L87] isnan_float(iptr) && !isnan_float(res) VAL [\read(iptr)=4294967319, iptr={8:0}, isnan_float(iptr)=1, isnan_float(iptr) && !isnan_float(res)=1, one_modf=1, res=4294967310, x=4294967310] [L87] CALL, EXPR isnan_float(res) VAL [\old(x)=4294967310, one_modf=1] [L75] return x != x; VAL [\old(x)=4294967310, \result=0, one_modf=1, x=4294967310] [L87] RET, EXPR isnan_float(res) VAL [\read(iptr)=4294967319, iptr={8:0}, isnan_float(iptr)=1, isnan_float(iptr) && !isnan_float(res)=1, isnan_float(res)=0, one_modf=1, res=4294967310, x=4294967310] [L87] isnan_float(iptr) && !isnan_float(res) VAL [\read(iptr)=4294967319, iptr={8:0}, isnan_float(iptr)=1, isnan_float(iptr) && !isnan_float(res)=1, isnan_float(res)=0, one_modf=1, res=4294967310, x=4294967310] [L87] COND TRUE isnan_float(iptr) && !isnan_float(res) [L88] reach_error() VAL [iptr={8:0}, one_modf=1, res=4294967310, x=4294967310] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 12 SDslu, 98 SDs, 0 SdLazy, 123 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 3528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...