/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/double_req_bl_1210.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:12:49,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:12:49,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:12:49,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:12:49,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:12:49,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:12:49,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:12:49,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:12:49,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:12:49,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:12:49,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:12:49,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:12:49,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:12:49,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:12:49,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:12:49,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:12:49,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:12:49,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:12:49,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:12:49,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:12:49,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:12:49,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:12:49,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:12:49,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:12:49,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:12:49,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:12:49,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:12:49,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:12:49,363 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 13:12:49,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:12:49,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:12:49,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:12:49,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:12:49,421 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:12:49,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:12:49,421 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:12:49,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:12:49,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:12:49,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:12:49,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:12:49,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:12:49,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:12:49,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:12:49,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:12:49,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:12:49,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:12:49,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:12:49,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:12:49,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:12:49,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:12:49,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:12:49,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:12:49,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:12:49,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:12:49,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:12:49,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:12:49,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:12:49,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:12:49,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:12:49,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:12:49,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:12:49,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:12:49,854 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:12:49,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2021-02-23 13:12:49,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce387d88c/806460f16ab3482086d7e9cd5f8a03a3/FLAG076e8c313 [2021-02-23 13:12:50,566 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:12:50,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2021-02-23 13:12:50,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce387d88c/806460f16ab3482086d7e9cd5f8a03a3/FLAG076e8c313 [2021-02-23 13:12:50,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce387d88c/806460f16ab3482086d7e9cd5f8a03a3 [2021-02-23 13:12:50,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:12:50,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:12:50,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:12:50,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:12:50,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:12:50,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:12:50" (1/1) ... [2021-02-23 13:12:50,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590df59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:50, skipping insertion in model container [2021-02-23 13:12:50,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:12:50" (1/1) ... [2021-02-23 13:12:50,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:12:50,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:12:51,123 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/double_req_bl_1210.c[3091,3104] [2021-02-23 13:12:51,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:12:51,135 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:12:51,172 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/double_req_bl_1210.c[3091,3104] [2021-02-23 13:12:51,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:12:51,192 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:12:51,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51 WrapperNode [2021-02-23 13:12:51,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:12:51,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:12:51,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:12:51,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:12:51,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (1/1) ... [2021-02-23 13:12:51,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:12:51,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:12:51,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:12:51,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:12:51,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (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 13:12:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:12:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:12:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:12:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2021-02-23 13:12:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2021-02-23 13:12:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2021-02-23 13:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2021-02-23 13:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-23 13:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-23 13:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:12:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:12:51,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:12:51,897 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-02-23 13:12:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:12:51 BoogieIcfgContainer [2021-02-23 13:12:51,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:12:51,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:12:51,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:12:51,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:12:51,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:12:50" (1/3) ... [2021-02-23 13:12:51,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:12:51, skipping insertion in model container [2021-02-23 13:12:51,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:12:51" (2/3) ... [2021-02-23 13:12:51,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:12:51, skipping insertion in model container [2021-02-23 13:12:51,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:12:51" (3/3) ... [2021-02-23 13:12:51,910 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2021-02-23 13:12:51,922 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:12:51,927 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:12:51,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:12:51,973 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:12:51,974 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:12:51,974 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:12:51,974 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:12:51,974 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:12:51,974 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:12:51,974 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:12:51,975 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:12:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2021-02-23 13:12:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 13:12:52,001 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:12:52,002 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 13:12:52,002 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:12:52,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:12:52,009 INFO L82 PathProgramCache]: Analyzing trace with hash -267736311, now seen corresponding path program 1 times [2021-02-23 13:12:52,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:12:52,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219698910] [2021-02-23 13:12:52,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:12:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:12:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:12:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-02-23 13:12:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,331 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 13:12:52,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219698910] [2021-02-23 13:12:52,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:12:52,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:12:52,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607452805] [2021-02-23 13:12:52,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:12:52,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:12:52,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:12:52,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:12:52,371 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2021-02-23 13:12:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:12:52,629 INFO L93 Difference]: Finished difference Result 108 states and 162 transitions. [2021-02-23 13:12:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 13:12:52,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-23 13:12:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:12:52,641 INFO L225 Difference]: With dead ends: 108 [2021-02-23 13:12:52,642 INFO L226 Difference]: Without dead ends: 54 [2021-02-23 13:12:52,646 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 13:12:52,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-02-23 13:12:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-02-23 13:12:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-23 13:12:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2021-02-23 13:12:52,698 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 25 [2021-02-23 13:12:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:12:52,698 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2021-02-23 13:12:52,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:12:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2021-02-23 13:12:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:12:52,701 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:12:52,701 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 13:12:52,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:12:52,702 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:12:52,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:12:52,703 INFO L82 PathProgramCache]: Analyzing trace with hash 678943168, now seen corresponding path program 1 times [2021-02-23 13:12:52,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:12:52,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322499711] [2021-02-23 13:12:52,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:12:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-23 13:12:52,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:12:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:12:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:12:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:12:52,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:12:52,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:12:52,957 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 13:12:52,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322499711] [2021-02-23 13:12:52,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:12:52,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:12:52,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116594971] [2021-02-23 13:12:52,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:12:52,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:12:52,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:12:52,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:12:52,961 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 5 states. [2021-02-23 13:12:53,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:12:53,204 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2021-02-23 13:12:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:12:53,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-02-23 13:12:53,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:12:53,216 INFO L225 Difference]: With dead ends: 57 [2021-02-23 13:12:53,216 INFO L226 Difference]: Without dead ends: 54 [2021-02-23 13:12:53,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:12:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-02-23 13:12:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-02-23 13:12:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-23 13:12:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2021-02-23 13:12:53,241 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 27 [2021-02-23 13:12:53,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:12:53,243 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2021-02-23 13:12:53,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:12:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2021-02-23 13:12:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-23 13:12:53,245 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:12:53,245 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 13:12:53,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:12:53,245 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:12:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:12:53,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1867490483, now seen corresponding path program 1 times [2021-02-23 13:12:53,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:12:53,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734323744] [2021-02-23 13:12:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:12:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:12:53,300 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:12:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:12:53,355 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:12:53,411 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:12:53,412 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:12:53,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:12:53,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:12:53 BoogieIcfgContainer [2021-02-23 13:12:53,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:12:53,489 INFO L168 Benchmark]: Toolchain (without parser) took 2594.79 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 138.3 MB in the beginning and 150.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:12:53,491 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 163.6 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:12:53,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.98 ms. Allocated memory is still 163.6 MB. Free memory was 137.2 MB in the beginning and 125.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:12:53,494 INFO L168 Benchmark]: Boogie Preprocessor took 60.05 ms. Allocated memory is still 163.6 MB. Free memory was 125.6 MB in the beginning and 123.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:12:53,496 INFO L168 Benchmark]: RCFGBuilder took 643.34 ms. Allocated memory is still 163.6 MB. Free memory was 123.4 MB in the beginning and 130.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2021-02-23 13:12:53,501 INFO L168 Benchmark]: TraceAbstraction took 1586.93 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 129.7 MB in the beginning and 150.5 MB in the end (delta: -20.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. [2021-02-23 13:12:53,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 163.6 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 285.98 ms. Allocated memory is still 163.6 MB. Free memory was 137.2 MB in the beginning and 125.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.05 ms. Allocated memory is still 163.6 MB. Free memory was 125.6 MB in the beginning and 123.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 643.34 ms. Allocated memory is still 163.6 MB. Free memory was 123.4 MB in the beginning and 130.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1586.93 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 129.7 MB in the beginning and 150.5 MB in the end (delta: -20.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 124]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 118, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [\old(one_modf)=4294967300, one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; VAL [iptr={9:0}, one_modf=1] [L120] CALL, EXPR modf_double(x, &iptr) VAL [\old(x)=4294967309, iptr={9:0}, one_modf=1] [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [\old(x)=4294967309, iptr={9:0}, iptr={9:0}, one_modf=1, x=4294967309] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, one_modf=1, x=4294967309] [L31] COND TRUE j0 < 20 VAL [\old(x)=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, j0=-1, one_modf=1, x=4294967309] [L32] COND TRUE j0 < 0 VAL [\old(x)=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, j0=-1, one_modf=1, x=4294967309] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [\old(x)=4294967309, \result=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, j0=-1, one_modf=1, x=4294967309] [L120] RET, EXPR modf_double(x, &iptr) VAL [iptr={9:0}, modf_double(x, &iptr)=4294967309, one_modf=1, x=4294967309] [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [\read(iptr)=4294967306, iptr={9:0}, one_modf=1, res=4294967309, x=4294967309] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=4294967306, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967306, \result=1, one_modf=1, x=4294967306] [L123] RET, EXPR isnan_double(iptr) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, one_modf=1, res=4294967309, x=4294967309] [L123] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1, res=4294967309, x=4294967309] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967309, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967309, \result=0, one_modf=1, x=4294967309] [L123] RET, EXPR isnan_double(res) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967309, x=4294967309] [L123] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967309, x=4294967309] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [iptr={9:0}, one_modf=1, res=4294967309, x=4294967309] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 118 SDtfs, 12 SDslu, 126 SDs, 0 SdLazy, 155 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0.3s 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...