/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 SequenceOfStatements --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:29:35,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:29:35,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:29:35,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:29:35,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:29:35,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:29:35,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:29:35,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:29:35,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:29:35,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:29:35,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:29:35,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:29:35,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:29:35,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:29:35,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:29:35,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:29:35,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:29:35,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:29:35,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:29:35,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:29:35,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:29:35,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:29:35,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:29:35,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:29:35,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:29:35,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:29:35,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:29:35,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:29:35,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:29:35,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:29:35,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:29:35,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:29:35,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:29:35,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:29:35,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:29:35,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:29:35,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:29:35,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:29:35,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:29:35,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:29:35,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:29:35,404 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 [2020-10-13 10:29:35,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:29:35,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:29:35,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:29:35,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:29:35,453 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:29:35,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:29:35,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:29:35,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:29:35,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:29:35,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:29:35,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:29:35,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:29:35,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:29:35,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:29:35,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:29:35,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:29:35,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:29:35,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:29:35,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:29:35,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:29:35,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:29:35,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:29:35,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:29:35,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:29:35,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:29:35,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:29:35,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:29:35,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:29:35,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:29:35,459 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 -> SequenceOfStatements 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:29:35,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:29:35,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:29:35,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:29:35,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:29:35,773 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:29:35,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-13 10:29:35,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/752f56673/874de260e333497e9daf38748b8318ac/FLAG5888556fa [2020-10-13 10:29:36,354 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:29:36,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-13 10:29:36,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/752f56673/874de260e333497e9daf38748b8318ac/FLAG5888556fa [2020-10-13 10:29:36,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/752f56673/874de260e333497e9daf38748b8318ac [2020-10-13 10:29:36,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:29:36,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:29:36,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:29:36,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:29:36,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:29:36,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:29:36" (1/1) ... [2020-10-13 10:29:36,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f1cfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:36, skipping insertion in model container [2020-10-13 10:29:36,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:29:36" (1/1) ... [2020-10-13 10:29:36,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:29:36,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:29:36,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:29:36,975 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:29:36,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:29:37,109 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:29:37,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37 WrapperNode [2020-10-13 10:29:37,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:29:37,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:29:37,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:29:37,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:29:37,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (1/1) ... [2020-10-13 10:29:37,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:29:37,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:29:37,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:29:37,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:29:37,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (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 [2020-10-13 10:29:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:29:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:29:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-13 10:29:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 10:29:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 10:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-13 10:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-13 10:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-13 10:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-13 10:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 10:29:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:29:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-13 10:29:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:29:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 10:29:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:29:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 10:29:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 10:29:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-13 10:29:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 10:29:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-13 10:29:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-13 10:29:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-13 10:29:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:29:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:29:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:29:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:29:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:29:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:29:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:29:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:29:37,620 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:29:37,620 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 10:29:37,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:29:37 BoogieIcfgContainer [2020-10-13 10:29:37,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:29:37,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:29:37,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:29:37,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:29:37,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:29:36" (1/3) ... [2020-10-13 10:29:37,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43277a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:29:37, skipping insertion in model container [2020-10-13 10:29:37,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:29:37" (2/3) ... [2020-10-13 10:29:37,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43277a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:29:37, skipping insertion in model container [2020-10-13 10:29:37,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:29:37" (3/3) ... [2020-10-13 10:29:37,634 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-10-13 10:29:37,646 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:29:37,654 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:29:37,667 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:29:37,689 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:29:37,690 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:29:37,690 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:29:37,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:29:37,690 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:29:37,690 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:29:37,691 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:29:37,691 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:29:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-10-13 10:29:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 10:29:37,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:29:37,718 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] [2020-10-13 10:29:37,719 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:29:37,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:29:37,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1185591928, now seen corresponding path program 1 times [2020-10-13 10:29:37,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:29:37,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078123585] [2020-10-13 10:29:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:29:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:38,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:38,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 10:29:38,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:29:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 972 [2020-10-13 10:29:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:29:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 10:29:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:29:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:29:38,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:29:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:38,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:38,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:38,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:38,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:38,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:29:38,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:38,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:29:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:39,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:39,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 10:29:39,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:39,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 10:29:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:29:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:29:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:29:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:39,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:39,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:39,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:39,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:39,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 10:29:39,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:29:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:29:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:39,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:39,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:39,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:29:39,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:29:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:29:39,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078123585] [2020-10-13 10:29:39,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:29:39,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 10:29:39,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897009675] [2020-10-13 10:29:39,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 10:29:39,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:29:39,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 10:29:39,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:29:39,211 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 10 states. [2020-10-13 10:29:39,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:29:39,722 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2020-10-13 10:29:39,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:29:39,726 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-10-13 10:29:39,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:29:39,740 INFO L225 Difference]: With dead ends: 79 [2020-10-13 10:29:39,740 INFO L226 Difference]: Without dead ends: 60 [2020-10-13 10:29:39,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:29:39,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-13 10:29:39,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-10-13 10:29:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-13 10:29:39,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2020-10-13 10:29:39,819 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 26 [2020-10-13 10:29:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:29:39,820 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2020-10-13 10:29:39,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 10:29:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2020-10-13 10:29:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-13 10:29:39,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:29:39,824 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-10-13 10:29:39,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:29:39,825 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:29:39,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:29:39,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1676370897, now seen corresponding path program 1 times [2020-10-13 10:29:39,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:29:39,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334232005] [2020-10-13 10:29:39,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:29:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:39,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 10:29:40,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:29:40,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 766 [2020-10-13 10:29:40,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:29:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 10:29:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:29:40,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:40,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:29:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:40,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:40,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:29:40,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:40,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:29:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:40,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 10:29:40,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 10:29:40,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:29:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 10:29:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:29:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:40,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:40,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:29:40,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:40,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:40,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:40,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:29:40,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:29:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:40,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 10:29:40,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:29:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:29:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:40,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:40,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:40,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:40,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:40,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:29:40,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:29:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 10:29:40,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334232005] [2020-10-13 10:29:40,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:29:40,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 10:29:40,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278517682] [2020-10-13 10:29:41,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 10:29:41,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:29:41,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 10:29:41,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:29:41,001 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 10 states. [2020-10-13 10:29:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:29:41,632 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2020-10-13 10:29:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 10:29:41,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-10-13 10:29:41,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:29:41,636 INFO L225 Difference]: With dead ends: 77 [2020-10-13 10:29:41,636 INFO L226 Difference]: Without dead ends: 68 [2020-10-13 10:29:41,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:29:41,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-13 10:29:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-10-13 10:29:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-13 10:29:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2020-10-13 10:29:41,652 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 37 [2020-10-13 10:29:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:29:41,653 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2020-10-13 10:29:41,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 10:29:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2020-10-13 10:29:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-13 10:29:41,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:29:41,664 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:29:41,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:29:41,665 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:29:41,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:29:41,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1781879045, now seen corresponding path program 1 times [2020-10-13 10:29:41,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:29:41,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548899811] [2020-10-13 10:29:41,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:29:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:41,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:41,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:41,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 10:29:41,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 10:29:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 10:29:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 10:29:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:41,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:29:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:41,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:41,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:41,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:41,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:29:41,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:41,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:41,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:29:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 10:29:42,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-13 10:29:42,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 10:29:42,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:42,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:29:42,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:42,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:29:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:29:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:42,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:29:42,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:42,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:29:42,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:29:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 10:29:42,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:29:42,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:29:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:42,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:29:42,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:42,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:42,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:29:42,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:42,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:42,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:29:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:42,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:29:42,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:42,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:29:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:29:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:42,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:42,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:29:42,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:29:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 10:29:42,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548899811] [2020-10-13 10:29:42,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:29:42,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:29:42,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982625415] [2020-10-13 10:29:42,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:29:42,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:29:42,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:29:42,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:29:42,317 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 7 states. [2020-10-13 10:29:42,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:29:42,668 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2020-10-13 10:29:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:29:42,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-10-13 10:29:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:29:42,670 INFO L225 Difference]: With dead ends: 86 [2020-10-13 10:29:42,670 INFO L226 Difference]: Without dead ends: 56 [2020-10-13 10:29:42,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:29:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-13 10:29:42,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-10-13 10:29:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-13 10:29:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-10-13 10:29:42,682 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 63 [2020-10-13 10:29:42,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:29:42,682 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-10-13 10:29:42,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:29:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-10-13 10:29:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 10:29:42,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:29:42,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:29:42,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:29:42,685 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:29:42,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:29:42,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1679478666, now seen corresponding path program 1 times [2020-10-13 10:29:42,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:29:42,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737430914] [2020-10-13 10:29:42,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:29:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:42,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:42,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 10:29:43,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:29:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-13 10:29:43,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 10:29:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:29:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:43,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:29:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:43,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:29:43,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:43,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:43,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:29:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 10:29:43,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:29:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-13 10:29:43,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:29:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 10:29:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:29:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:43,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:43,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:29:43,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:43,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:43,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:43,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:29:43,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:43,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:43,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:29:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:43,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:29:43,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:43,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:29:43,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:43,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:43,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:29:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 10:29:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 10:29:43,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:29:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:29:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:29:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:43,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:43,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:43,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:29:43,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 10:29:43,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:29:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:29:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:29:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:44,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:44,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:44,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:29:44,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:44,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:29:44,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:29:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:29:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:29:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:29:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:44,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:44,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:44,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:29:44,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:29:44,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:29:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:29:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:29:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:29:44,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:29:44,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:29:44,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:29:44,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:29:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:29:44,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:29:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:29:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:29:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:29:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:29:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 10:29:44,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737430914] [2020-10-13 10:29:44,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:29:44,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 10:29:44,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020721970] [2020-10-13 10:29:44,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 10:29:44,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:29:44,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 10:29:44,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:29:44,062 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 14 states. [2020-10-13 10:29:44,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:29:44,610 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2020-10-13 10:29:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 10:29:44,611 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 65 [2020-10-13 10:29:44,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:29:44,612 INFO L225 Difference]: With dead ends: 54 [2020-10-13 10:29:44,612 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 10:29:44,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2020-10-13 10:29:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 10:29:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 10:29:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 10:29:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 10:29:44,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-13 10:29:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:29:44,615 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 10:29:44,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 10:29:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 10:29:44,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 10:29:44,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:29:44,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 10:29:45,310 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-10-13 10:29:45,311 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 10:29:45,311 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-10-13 10:29:45,311 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-10-13 10:29:45,311 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:29:45,312 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:29:45,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:29:45,312 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-10-13 10:29:45,312 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-10-13 10:29:45,312 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-10-13 10:29:45,312 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 ~used_tmp_slot~0)) (= ~tmp_slot~0.base 0)) [2020-10-13 10:29:45,313 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc0.base| 0))))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or (= ~tmp_slot~0.base 0) .cse0))) [2020-10-13 10:29:45,313 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-13 10:29:45,313 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-10-13 10:29:45,313 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-10-13 10:29:45,314 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-10-13 10:29:45,314 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-10-13 10:29:45,314 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-10-13 10:29:45,314 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-10-13 10:29:45,314 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-10-13 10:29:45,315 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-10-13 10:29:45,315 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-10-13 10:29:45,315 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-10-13 10:29:45,315 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-10-13 10:29:45,315 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-10-13 10:29:45,316 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,316 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,316 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,316 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-10-13 10:29:45,316 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-10-13 10:29:45,317 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,317 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-10-13 10:29:45,317 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,317 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-10-13 10:29:45,317 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-10-13 10:29:45,318 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,318 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-10-13 10:29:45,318 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,318 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,318 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-10-13 10:29:45,319 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-10-13 10:29:45,319 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-10-13 10:29:45,319 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-10-13 10:29:45,319 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,319 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-10-13 10:29:45,320 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-10-13 10:29:45,320 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-10-13 10:29:45,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:29:45,320 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 1 ~freed_tmp_slot~0) [2020-10-13 10:29:45,320 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 10:29:45,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:29:45,321 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-13 10:29:45,321 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-10-13 10:29:45,321 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 10:29:45,321 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-10-13 10:29:45,321 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-13 10:29:45,322 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-10-13 10:29:45,322 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-10-13 10:29:45,322 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-10-13 10:29:45,322 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-10-13 10:29:45,322 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-10-13 10:29:45,323 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-10-13 10:29:45,323 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:29:45,323 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:29:45,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:29:45 BoogieIcfgContainer [2020-10-13 10:29:45,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:29:45,349 INFO L168 Benchmark]: Toolchain (without parser) took 8650.23 ms. Allocated memory was 140.5 MB in the beginning and 310.4 MB in the end (delta: 169.9 MB). Free memory was 104.0 MB in the beginning and 97.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 176.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:29:45,350 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 10:29:45,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.91 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.6 MB in the beginning and 182.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:29:45,352 INFO L168 Benchmark]: Boogie Preprocessor took 42.40 ms. Allocated memory is still 203.9 MB. Free memory was 182.9 MB in the beginning and 180.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-10-13 10:29:45,353 INFO L168 Benchmark]: RCFGBuilder took 471.43 ms. Allocated memory is still 203.9 MB. Free memory was 180.5 MB in the beginning and 156.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:29:45,354 INFO L168 Benchmark]: TraceAbstraction took 7718.94 ms. Allocated memory was 203.9 MB in the beginning and 310.4 MB in the end (delta: 106.4 MB). Free memory was 156.3 MB in the beginning and 97.0 MB in the end (delta: 59.3 MB). Peak memory consumption was 165.7 MB. Max. memory is 7.1 GB. [2020-10-13 10:29:45,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.91 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.6 MB in the beginning and 182.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.40 ms. Allocated memory is still 203.9 MB. Free memory was 182.9 MB in the beginning and 180.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 471.43 ms. Allocated memory is still 203.9 MB. Free memory was 180.5 MB in the beginning and 156.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7718.94 ms. Allocated memory was 203.9 MB in the beginning and 310.4 MB in the end (delta: 106.4 MB). Free memory was 156.3 MB in the beginning and 97.0 MB in the end (delta: 59.3 MB). Peak memory consumption was 165.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) || !(1 <= \old(freed_tmp_slot)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) || !(1 <= \old(freed_tmp_slot)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 195 SDslu, 549 SDs, 0 SdLazy, 630 SolverSat, 192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=2, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 345 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 341 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 29902 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 60/60 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 proved your program to be correct! Received shutdown request...