/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=HIGHLEXORDER --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_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:37:05,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:37:05,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:37:05,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:37:05,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:37:05,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:37:05,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:37:05,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:37:05,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:37:05,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:37:05,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:37:05,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:37:05,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:37:05,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:37:05,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:37:05,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:37:05,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:37:05,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:37:05,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:37:05,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:37:05,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:37:05,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:37:05,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:37:05,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:37:05,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:37:05,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:37:05,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:37:05,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:37:05,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:37:05,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:37:05,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:37:05,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:37:05,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:37:05,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:37:05,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:37:05,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:37:05,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:37:05,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:37:05,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:37:05,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:37:05,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:37:05,322 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 [2020-09-24 22:37:05,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:37:05,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:37:05,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:37:05,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:37:05,350 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:37:05,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:37:05,350 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:37:05,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:37:05,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:37:05,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:37:05,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:37:05,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:37:05,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:37:05,352 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:37:05,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:37:05,352 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:37:05,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:37:05,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:37:05,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:37:05,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:37:05,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:37:05,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:37:05,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:37:05,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:37:05,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:37:05,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:37:05,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:37:05,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:37:05,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:37:05,355 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:37:05,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:37:06,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:37:06,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:37:06,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:37:06,023 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:37:06,024 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-09-24 22:37:06,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ed4b32e3/888bd53f698349438a9b8b6b3de35c66/FLAGca3ed5732 [2020-09-24 22:37:06,694 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:37:06,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-09-24 22:37:06,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ed4b32e3/888bd53f698349438a9b8b6b3de35c66/FLAGca3ed5732 [2020-09-24 22:37:07,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ed4b32e3/888bd53f698349438a9b8b6b3de35c66 [2020-09-24 22:37:07,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:37:07,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:37:07,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:37:07,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:37:07,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:37:07,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c77fbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07, skipping insertion in model container [2020-09-24 22:37:07,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:37:07,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:37:07,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:37:07,345 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:37:07,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:37:07,408 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:37:07,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07 WrapperNode [2020-09-24 22:37:07,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:37:07,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:37:07,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:37:07,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:37:07,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (1/1) ... [2020-09-24 22:37:07,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:37:07,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:37:07,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:37:07,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:37:07,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (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 [2020-09-24 22:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-09-24 22:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-09-24 22:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-09-24 22:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-24 22:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-09-24 22:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-09-24 22:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-24 22:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-09-24 22:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-24 22:37:08,018 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:37:08,018 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-24 22:37:08,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:37:08 BoogieIcfgContainer [2020-09-24 22:37:08,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:37:08,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:37:08,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:37:08,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:37:08,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:37:07" (1/3) ... [2020-09-24 22:37:08,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18897ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:37:08, skipping insertion in model container [2020-09-24 22:37:08,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:07" (2/3) ... [2020-09-24 22:37:08,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18897ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:37:08, skipping insertion in model container [2020-09-24 22:37:08,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:37:08" (3/3) ... [2020-09-24 22:37:08,033 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2020-09-24 22:37:08,044 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:37:08,054 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:37:08,074 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:37:08,102 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:37:08,102 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:37:08,102 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:37:08,102 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:37:08,102 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:37:08,102 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:37:08,103 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:37:08,103 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:37:08,125 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-24 22:37:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 22:37:08,135 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:08,136 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] [2020-09-24 22:37:08,137 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:08,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:08,144 INFO L82 PathProgramCache]: Analyzing trace with hash 6613302, now seen corresponding path program 1 times [2020-09-24 22:37:08,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:08,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782258246] [2020-09-24 22:37:08,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:08,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:08,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:37:08,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:37:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-09-24 22:37:08,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:37:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:37:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-24 22:37:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:08,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:37:08,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:37:08,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 22:37:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 22:37:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:37:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 22:37:08,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 22:37:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:37:08,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:08,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:37:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:08,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:08,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:37:08,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:37:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 22:37:08,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 22:37:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:08,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:08,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 22:37:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:08,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:08,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:08,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:37:08,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:08,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:37:08,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 22:37:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:08,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:09,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782258246] [2020-09-24 22:37:09,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:09,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 22:37:09,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006698055] [2020-09-24 22:37:09,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 22:37:09,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:09,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 22:37:09,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 22:37:09,044 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 5 states. [2020-09-24 22:37:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:09,362 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2020-09-24 22:37:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 22:37:09,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-09-24 22:37:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:09,379 INFO L225 Difference]: With dead ends: 144 [2020-09-24 22:37:09,379 INFO L226 Difference]: Without dead ends: 72 [2020-09-24 22:37:09,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:37:09,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-24 22:37:09,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-24 22:37:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 22:37:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2020-09-24 22:37:09,447 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 38 [2020-09-24 22:37:09,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:09,448 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2020-09-24 22:37:09,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 22:37:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2020-09-24 22:37:09,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 22:37:09,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:09,453 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] [2020-09-24 22:37:09,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:37:09,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:09,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:09,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1569895040, now seen corresponding path program 1 times [2020-09-24 22:37:09,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:09,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380894170] [2020-09-24 22:37:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:09,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:37:09,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-24 22:37:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:37:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:37:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:09,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:09,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:37:09,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:37:09,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:09,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:09,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 22:37:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:09,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:09,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:09,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 22:37:09,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:09,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 22:37:09,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 22:37:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:37:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:09,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:37:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:09,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 22:37:10,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 22:37:10,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 22:37:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:10,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-24 22:37:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:37:10,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:37:10,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 22:37:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:10,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380894170] [2020-09-24 22:37:10,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:10,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:37:10,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632132937] [2020-09-24 22:37:10,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:37:10,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:10,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:37:10,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:37:10,051 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 6 states. [2020-09-24 22:37:10,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:10,256 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-24 22:37:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:37:10,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-09-24 22:37:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:10,262 INFO L225 Difference]: With dead ends: 93 [2020-09-24 22:37:10,262 INFO L226 Difference]: Without dead ends: 77 [2020-09-24 22:37:10,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:37:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-24 22:37:10,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-09-24 22:37:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-24 22:37:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-09-24 22:37:10,279 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 52 [2020-09-24 22:37:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:10,280 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-09-24 22:37:10,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:37:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-09-24 22:37:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-24 22:37:10,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:10,282 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] [2020-09-24 22:37:10,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:37:10,283 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:10,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1915658490, now seen corresponding path program 1 times [2020-09-24 22:37:10,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:10,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501036318] [2020-09-24 22:37:10,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 22:37:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-24 22:37:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-09-24 22:37:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:37:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:10,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:37:10,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:37:10,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:10,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 22:37:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 22:37:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 22:37:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:37:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:37:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:37:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:10,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 22:37:10,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 22:37:10,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:37:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 22:37:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 22:37:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:10,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:10,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:37:10,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:37:10,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 22:37:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:10,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501036318] [2020-09-24 22:37:10,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:10,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:37:10,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024912438] [2020-09-24 22:37:10,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:37:10,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:10,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:37:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:37:10,805 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 6 states. [2020-09-24 22:37:11,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:11,030 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2020-09-24 22:37:11,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:37:11,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-09-24 22:37:11,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:11,032 INFO L225 Difference]: With dead ends: 97 [2020-09-24 22:37:11,032 INFO L226 Difference]: Without dead ends: 81 [2020-09-24 22:37:11,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:37:11,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-24 22:37:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2020-09-24 22:37:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-24 22:37:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-09-24 22:37:11,044 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 55 [2020-09-24 22:37:11,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:11,045 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-09-24 22:37:11,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:37:11,045 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-09-24 22:37:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-24 22:37:11,047 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:11,047 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] [2020-09-24 22:37:11,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:37:11,048 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:11,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:11,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1520711866, now seen corresponding path program 1 times [2020-09-24 22:37:11,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:11,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560758899] [2020-09-24 22:37:11,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:37:11,073 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:37:11,073 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:37:11,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:37:11,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:37:11 BoogieIcfgContainer [2020-09-24 22:37:11,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:37:11,107 INFO L168 Benchmark]: Toolchain (without parser) took 4043.32 ms. Allocated memory was 140.5 MB in the beginning and 245.4 MB in the end (delta: 104.9 MB). Free memory was 103.7 MB in the beginning and 163.7 MB in the end (delta: -60.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:11,108 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:37:11,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.77 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 92.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:11,110 INFO L168 Benchmark]: Boogie Preprocessor took 130.65 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 92.2 MB in the beginning and 179.7 MB in the end (delta: -87.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:11,111 INFO L168 Benchmark]: RCFGBuilder took 483.10 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 157.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:11,112 INFO L168 Benchmark]: TraceAbstraction took 3077.82 ms. Allocated memory was 202.4 MB in the beginning and 245.4 MB in the end (delta: 43.0 MB). Free memory was 156.8 MB in the beginning and 163.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:11,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 342.77 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 92.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.65 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 92.2 MB in the beginning and 179.7 MB in the end (delta: -87.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 483.10 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 157.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3077.82 ms. Allocated memory was 202.4 MB in the beginning and 245.4 MB in the end (delta: 43.0 MB). Free memory was 156.8 MB in the beginning and 163.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L61] double x = 0.0 / 0.0; [L62] double y = 0.0 / 0.0; [L63] CALL, EXPR fmin_double(x, y) [L45] CALL, EXPR __fpclassify_double(x) [L18] __uint32_t msw, lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L33-L34] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L41] return 0; [L45] RET, EXPR __fpclassify_double(x) [L45] COND TRUE __fpclassify_double(x) == 0 [L46] return y; [L63] RET, EXPR fmin_double(x, y) [L63] double res = fmin_double(x, y); [L65] CALL, EXPR isnan_double(res) [L16] return x != x; [L65] RET, EXPR isnan_double(res) [L65] COND TRUE !isnan_double(res) [L66] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 65 SDslu, 470 SDs, 0 SdLazy, 321 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 12560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...