/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 12:13:46,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:13:46,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:13:46,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:13:46,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:13:46,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:13:46,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:13:46,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:13:46,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:13:46,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:13:46,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:13:46,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:13:46,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:13:46,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:13:46,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:13:46,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:13:46,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:13:46,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:13:46,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:13:46,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:13:46,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:13:46,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:13:46,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:13:46,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:13:46,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:13:46,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:13:46,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:13:46,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:13:46,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:13:46,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:13:46,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:13:46,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:13:46,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:13:46,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:13:46,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:13:46,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:13:46,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:13:46,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:13:46,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:13:46,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:13:46,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:13:46,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 12:13:46,199 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:13:46,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:13:46,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:13:46,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:13:46,201 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:13:46,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:13:46,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:13:46,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:13:46,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:13:46,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:13:46,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:13:46,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:13:46,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:13:46,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:13:46,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:13:46,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:13:46,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:13:46,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:13:46,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:13:46,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:13:46,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:13:46,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:13:46,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:13:46,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:13:46,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:13:46,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:13:46,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:13:46,207 INFO L138 SettingsManager]: * To the following directory=dump/ 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:13:46,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:13:46,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:13:46,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:13:46,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:13:46,546 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:13:46,547 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i [2020-10-14 12:13:46,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/060346691/fa504517051f434fa6039cff3f6c9185/FLAGb8ce9d8f8 [2020-10-14 12:13:47,293 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:13:47,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i [2020-10-14 12:13:47,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/060346691/fa504517051f434fa6039cff3f6c9185/FLAGb8ce9d8f8 [2020-10-14 12:13:47,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/060346691/fa504517051f434fa6039cff3f6c9185 [2020-10-14 12:13:47,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:13:47,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:13:47,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:13:47,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:13:47,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:13:47,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:13:47" (1/1) ... [2020-10-14 12:13:47,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd4dda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:47, skipping insertion in model container [2020-10-14 12:13:47,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:13:47" (1/1) ... [2020-10-14 12:13:47,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:13:47,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:13:49,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:13:49,098 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:13:49,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:13:49,559 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:13:49,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49 WrapperNode [2020-10-14 12:13:49,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:13:49,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:13:49,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:13:49,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:13:49,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (1/1) ... [2020-10-14 12:13:49,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:13:49,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:13:49,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:13:49,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:13:49,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (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 [2020-10-14 12:13:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:13:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:13:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-14 12:13:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-14 12:13:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 12:13:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-14 12:13:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:13:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 12:13:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-14 12:13:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:13:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:13:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-14 12:13:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-14 12:13:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-14 12:13:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 12:13:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-14 12:13:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-14 12:13:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:13:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2020-10-14 12:13:49,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_init [2020-10-14 12:13:49,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_free [2020-10-14 12:13:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_write [2020-10-14 12:13:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2020-10-14 12:13:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure deregister_from_lirc [2020-10-14 12:13:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2020-10-14 12:13:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2020-10-14 12:13:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_close [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_data [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2020-10-14 12:13:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_exit [2020-10-14 12:13:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-14 12:13:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-14 12:13:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:13:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-14 12:13:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-14 12:13:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-14 12:13:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-14 12:13:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 12:13:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 12:13:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:13:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 12:13:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2020-10-14 12:13:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 12:13:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 12:13:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-14 12:13:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 12:13:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:13:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-14 12:13:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2020-10-14 12:13:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 12:13:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-14 12:13:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 12:13:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-14 12:13:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 12:13:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:13:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-14 12:13:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_register_driver [2020-10-14 12:13:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_unregister_driver [2020-10-14 12:13:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-14 12:13:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-14 12:13:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 12:13:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2020-10-14 12:13:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-14 12:13:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:13:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 12:13:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2020-10-14 12:13:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-14 12:13:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:13:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:13:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-14 12:13:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:13:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:13:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-14 12:13:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-14 12:13:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-14 12:13:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:13:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 12:13:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 12:13:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:13:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:13:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 12:13:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2020-10-14 12:13:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:13:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-14 12:13:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-14 12:13:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-14 12:13:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-14 12:13:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-14 12:13:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 12:13:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:13:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-14 12:13:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2020-10-14 12:13:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-14 12:13:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:13:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-14 12:13:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:13:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:13:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-14 12:13:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-14 12:13:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-14 12:13:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:13:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 12:13:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 12:13:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 12:13:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 12:13:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-14 12:13:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-14 12:13:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:13:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_init [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_free [2020-10-14 12:13:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_write [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_register_driver [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_unregister_driver [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2020-10-14 12:13:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure ir_close [2020-10-14 12:13:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure imon_exit [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_from_lirc [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:13:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure submit_data [2020-10-14 12:13:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2020-10-14 12:13:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-14 12:13:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:13:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 12:13:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:13:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:13:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:13:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:13:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:13:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:13:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:13:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:13:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:13:51,446 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-14 12:13:57,261 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:13:57,275 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-14 12:13:57,275 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-14 12:13:57,401 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:13:57,430 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2020-10-14 12:13:57,430 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2020-10-14 12:13:57,697 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:13:57,698 INFO L295 CfgBuilder]: Removed 40 assume(true) statements. [2020-10-14 12:13:57,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:57 BoogieIcfgContainer [2020-10-14 12:13:57,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:13:57,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:13:57,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:13:57,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:13:57,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:13:47" (1/3) ... [2020-10-14 12:13:57,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77744f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:57, skipping insertion in model container [2020-10-14 12:13:57,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:49" (2/3) ... [2020-10-14 12:13:57,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77744f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:57, skipping insertion in model container [2020-10-14 12:13:57,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:57" (3/3) ... [2020-10-14 12:13:57,714 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i [2020-10-14 12:13:57,724 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:13:57,732 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:13:57,746 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:13:57,773 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:13:57,773 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:13:57,773 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:13:57,773 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:13:57,773 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:13:57,773 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:13:57,774 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:13:57,774 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:13:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states. [2020-10-14 12:13:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 12:13:57,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:13:57,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:13:57,825 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:13:57,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:13:57,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1189821431, now seen corresponding path program 1 times [2020-10-14 12:13:57,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:13:57,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218586566] [2020-10-14 12:13:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:13:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:13:59,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:03,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:03,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 12:14:03,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5248 [2020-10-14 12:14:03,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:03,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:03,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:14:03,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:14:03,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 12:14:03,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 12:14:08,985 WARN L193 SmtUtils]: Spent 4.70 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-14 12:14:08,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:14:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:09,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:11,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2780 [2020-10-14 12:14:11,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:11,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:11,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:11,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:11,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:14:11,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:12,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:14:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:12,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:14:12,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:14:12,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:12,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:14:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:12,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:14:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:12,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:12,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:12,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:14:12,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 12:14:12,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:12,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:14:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:12,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:14:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:12,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:14:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:14:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:12,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:12,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:14:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:12,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:12,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:12,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:12,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:14:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:12,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:14:12,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218586566] [2020-10-14 12:14:12,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:14:12,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 12:14:12,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92235155] [2020-10-14 12:14:12,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 12:14:12,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:14:12,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 12:14:12,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 12:14:12,285 INFO L87 Difference]: Start difference. First operand 691 states. Second operand 4 states. [2020-10-14 12:14:18,756 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 1059 [2020-10-14 12:14:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:14:43,988 INFO L93 Difference]: Finished difference Result 1634 states and 2443 transitions. [2020-10-14 12:14:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:14:43,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-14 12:14:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:14:44,021 INFO L225 Difference]: With dead ends: 1634 [2020-10-14 12:14:44,021 INFO L226 Difference]: Without dead ends: 1212 [2020-10-14 12:14:44,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:14:44,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-10-14 12:14:44,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 954. [2020-10-14 12:14:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-10-14 12:14:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1245 transitions. [2020-10-14 12:14:44,598 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1245 transitions. Word has length 30 [2020-10-14 12:14:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:14:44,599 INFO L479 AbstractCegarLoop]: Abstraction has 954 states and 1245 transitions. [2020-10-14 12:14:44,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 12:14:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1245 transitions. [2020-10-14 12:14:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 12:14:44,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:14:44,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:14:44,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:14:44,601 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:14:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:14:44,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1769900848, now seen corresponding path program 1 times [2020-10-14 12:14:44,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:14:44,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988940670] [2020-10-14 12:14:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:14:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:44,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:48,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:48,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 12:14:48,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:48,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3784 [2020-10-14 12:14:48,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:48,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:14:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 12:14:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:53,386 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-14 12:14:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:14:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:53,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:55,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:56,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:56,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2524 [2020-10-14 12:14:56,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:56,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:14:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:14:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:56,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:56,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:56,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:14:56,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:56,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:14:56,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:56,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:14:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:56,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:14:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:56,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:56,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:14:56,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:56,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 12:14:56,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:56,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:14:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:14:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:14:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:56,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:56,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:56,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:14:56,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:56,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:14:56,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:56,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:56,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:14:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:56,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:56,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:56,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:56,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:14:56,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:56,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:14:56,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988940670] [2020-10-14 12:14:56,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:14:56,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 12:14:56,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029715461] [2020-10-14 12:14:56,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 12:14:56,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:14:56,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 12:14:56,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 12:14:56,212 INFO L87 Difference]: Start difference. First operand 954 states and 1245 transitions. Second operand 4 states. [2020-10-14 12:15:02,875 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 1059 [2020-10-14 12:15:15,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:15:15,301 INFO L93 Difference]: Finished difference Result 1211 states and 1653 transitions. [2020-10-14 12:15:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:15:15,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-14 12:15:15,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:15:15,312 INFO L225 Difference]: With dead ends: 1211 [2020-10-14 12:15:15,312 INFO L226 Difference]: Without dead ends: 1197 [2020-10-14 12:15:15,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:15:15,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-10-14 12:15:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 942. [2020-10-14 12:15:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-10-14 12:15:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1229 transitions. [2020-10-14 12:15:15,763 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1229 transitions. Word has length 31 [2020-10-14 12:15:15,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:15:15,764 INFO L479 AbstractCegarLoop]: Abstraction has 942 states and 1229 transitions. [2020-10-14 12:15:15,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 12:15:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1229 transitions. [2020-10-14 12:15:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 12:15:15,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:15:15,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:15:15,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:15:15,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:15:15,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:15:15,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1201633426, now seen corresponding path program 1 times [2020-10-14 12:15:15,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:15:15,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460638935] [2020-10-14 12:15:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:15:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:16,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:16,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:20,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 12:15:20,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:15:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-14 12:15:20,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:20,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 12:15:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:15:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:25,470 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-14 12:15:25,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:15:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:25,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1070 [2020-10-14 12:15:26,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:26,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:15:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:15:26,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:15:26,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:26,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:15:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:15:26,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:15:26,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:15:26,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:15:26,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:26,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:26,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:15:26,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:26,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 12:15:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:15:26,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:15:26,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:15:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:15:26,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:15:26,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:15:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:26,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:26,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:26,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:15:26,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:15:26,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:26,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:15:26,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460638935] [2020-10-14 12:15:26,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:15:26,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 12:15:26,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510878421] [2020-10-14 12:15:26,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 12:15:26,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:15:26,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 12:15:26,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:15:26,880 INFO L87 Difference]: Start difference. First operand 942 states and 1229 transitions. Second operand 5 states. [2020-10-14 12:15:33,984 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification that was a NOOP. DAG size: 1060 [2020-10-14 12:15:50,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:15:50,283 INFO L93 Difference]: Finished difference Result 2247 states and 3079 transitions. [2020-10-14 12:15:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 12:15:50,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-14 12:15:50,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:15:50,292 INFO L225 Difference]: With dead ends: 2247 [2020-10-14 12:15:50,292 INFO L226 Difference]: Without dead ends: 1331 [2020-10-14 12:15:50,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:15:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-10-14 12:15:51,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 963. [2020-10-14 12:15:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-10-14 12:15:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1253 transitions. [2020-10-14 12:15:51,014 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1253 transitions. Word has length 65 [2020-10-14 12:15:51,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:15:51,014 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1253 transitions. [2020-10-14 12:15:51,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 12:15:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1253 transitions. [2020-10-14 12:15:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-14 12:15:51,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:15:51,019 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:15:51,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 12:15:51,019 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:15:51,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:15:51,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1334628147, now seen corresponding path program 1 times [2020-10-14 12:15:51,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:15:51,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215499338] [2020-10-14 12:15:51,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:15:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:51,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:57,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:57,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 12:15:57,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:15:57,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5883 [2020-10-14 12:15:57,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:57,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 12:15:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 12:15:57,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:01,661 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-14 12:16:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:01,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:02,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-10-14 12:16:02,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:02,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:16:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:16:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:16:02,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:16:02,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:02,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:02,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:02,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:16:02,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:02,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 12:16:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:02,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:02,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:02,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 12:16:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:16:02,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:16:02,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 12:16:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:02,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:16:02,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:02,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:16:02,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 12:16:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:02,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:02,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 12:16:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:02,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:02,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:02,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:02,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:02,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:02,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:02,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 12:16:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:03,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:03,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:03,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:03,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:03,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:16:03,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:03,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:03,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:03,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:03,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:03,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 12:16:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:03,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:03,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:03,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:03,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:03,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:03,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:03,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 12:16:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:03,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:03,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:03,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:03,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:03,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:03,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 12:16:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:03,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:03,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:16:03,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:16:03,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:03,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:03,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:03,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:16:03,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:03,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:03,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:16:03,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:03,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:03,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 12:16:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:03,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:03,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:03,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:03,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:03,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:03,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:03,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 12:16:03,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215499338] [2020-10-14 12:16:03,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:16:03,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 12:16:03,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519054888] [2020-10-14 12:16:03,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 12:16:03,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:16:03,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 12:16:03,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:16:03,128 INFO L87 Difference]: Start difference. First operand 963 states and 1253 transitions. Second operand 5 states. [2020-10-14 12:16:18,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:16:18,584 INFO L93 Difference]: Finished difference Result 2257 states and 3059 transitions. [2020-10-14 12:16:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:16:18,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-14 12:16:18,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:16:18,593 INFO L225 Difference]: With dead ends: 2257 [2020-10-14 12:16:18,594 INFO L226 Difference]: Without dead ends: 1320 [2020-10-14 12:16:18,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:16:18,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-14 12:16:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 989. [2020-10-14 12:16:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-10-14 12:16:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1292 transitions. [2020-10-14 12:16:19,161 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1292 transitions. Word has length 112 [2020-10-14 12:16:19,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:16:19,162 INFO L479 AbstractCegarLoop]: Abstraction has 989 states and 1292 transitions. [2020-10-14 12:16:19,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 12:16:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1292 transitions. [2020-10-14 12:16:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 12:16:19,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:16:19,165 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:16:19,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 12:16:19,165 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:16:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:16:19,166 INFO L82 PathProgramCache]: Analyzing trace with hash -106836470, now seen corresponding path program 1 times [2020-10-14 12:16:19,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:16:19,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352396966] [2020-10-14 12:16:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:16:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:19,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:24,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:24,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5532 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:16:24,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:29,530 WARN L193 SmtUtils]: Spent 4.48 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-14 12:16:29,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:30,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 786 [2020-10-14 12:16:30,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:30,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:16:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:16:30,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:16:30,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:30,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:16:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:16:30,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:16:30,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:16:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 12:16:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:30,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:30,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:30,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:30,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:30,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 12:16:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:16:30,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:16:30,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 12:16:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:16:30,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:16:30,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:16:30,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:16:30,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:30,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:30,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 12:16:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:16:30,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:16:30,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:16:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:30,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:30,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:30,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 12:16:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:30,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:30,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 12:16:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:16:30,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:16:30,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:16:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:30,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:30,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 12:16:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:30,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:30,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:30,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:30,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:30,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:30,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:30,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 12:16:30,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352396966] [2020-10-14 12:16:30,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:16:30,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 12:16:30,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104627541] [2020-10-14 12:16:30,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 12:16:30,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:16:30,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 12:16:30,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:16:30,800 INFO L87 Difference]: Start difference. First operand 989 states and 1292 transitions. Second operand 7 states. [2020-10-14 12:16:37,865 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 1063 [2020-10-14 12:17:01,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:17:01,304 INFO L93 Difference]: Finished difference Result 2287 states and 3096 transitions. [2020-10-14 12:17:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 12:17:01,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-10-14 12:17:01,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:17:01,313 INFO L225 Difference]: With dead ends: 2287 [2020-10-14 12:17:01,313 INFO L226 Difference]: Without dead ends: 1320 [2020-10-14 12:17:01,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 12:17:01,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-14 12:17:01,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 989. [2020-10-14 12:17:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-10-14 12:17:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1291 transitions. [2020-10-14 12:17:01,989 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1291 transitions. Word has length 107 [2020-10-14 12:17:01,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:17:01,989 INFO L479 AbstractCegarLoop]: Abstraction has 989 states and 1291 transitions. [2020-10-14 12:17:01,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 12:17:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1291 transitions. [2020-10-14 12:17:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 12:17:01,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:17:01,993 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:17:01,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 12:17:01,994 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:17:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:17:01,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1061359785, now seen corresponding path program 1 times [2020-10-14 12:17:01,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:17:01,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871765614] [2020-10-14 12:17:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:17:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:02,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:07,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:07,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 12:17:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:17:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5515 [2020-10-14 12:17:07,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:07,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 12:17:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 12:17:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 12:17:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:12,129 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-14 12:17:12,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:17:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:12,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:12,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:12,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:12,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:12,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-14 12:17:12,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:12,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:12,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:12,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:17:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:12,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:12,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:12,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:17:12,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:12,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:17:12,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:12,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:17:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:12,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:12,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:12,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:17:12,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:12,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:12,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:12,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:12,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:17:13,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:17:13,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:13,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:13,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 12:17:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:17:13,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:17:13,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:17:13,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:17:13,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:17:13,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:13,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:13,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:13,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:17:13,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 12:17:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:17:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 12:17:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 12:17:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 12:17:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:13,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:17:13,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:17:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:17:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:13,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 12:17:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:13,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:17:13,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 12:17:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:17:13,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:17:13,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:17:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:17:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 12:17:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:13,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:13,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:13,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:13,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:13,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:17:13,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:13,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:13,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 12:17:13,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871765614] [2020-10-14 12:17:13,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 12:17:13,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 12:17:13,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407914384] [2020-10-14 12:17:13,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 12:17:13,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:17:13,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 12:17:13,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:17:13,452 INFO L87 Difference]: Start difference. First operand 989 states and 1291 transitions. Second operand 9 states. [2020-10-14 12:17:20,920 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 1064 [2020-10-14 12:17:26,753 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification that was a NOOP. DAG size: 1062