/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:47:22,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:47:22,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:47:22,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:47:22,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:47:22,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:47:22,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:47:22,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:47:22,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:47:22,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:47:22,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:47:22,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:47:22,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:47:22,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:47:22,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:47:22,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:47:22,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:47:22,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:47:22,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:47:22,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:47:22,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:47:22,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:47:22,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:47:22,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:47:22,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:47:22,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:47:22,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:47:22,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:47:22,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:47:22,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:47:22,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:47:22,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:47:22,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:47:22,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:47:22,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:47:22,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:47:22,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:47:22,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:47:22,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:47:22,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:47:22,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:47:22,636 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 [2020-10-13 17:47:22,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:47:22,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:47:22,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:47:22,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:47:22,678 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:47:22,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:47:22,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:47:22,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:47:22,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:47:22,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:47:22,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:47:22,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:47:22,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:47:22,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:47:22,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:47:22,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:47:22,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:47:22,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:47:22,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:47:22,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:47:22,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:47:22,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:47:22,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:47:22,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:47:22,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:47:22,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:47:22,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:47:22,684 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=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:47:22,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:47:23,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:47:23,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:47:23,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:47:23,020 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:47:23,021 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2020-10-13 17:47:23,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8c50dd3d/6f339545b4e64271b2ff93785669d9a1/FLAG0c369748e [2020-10-13 17:47:23,868 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:47:23,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2020-10-13 17:47:23,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8c50dd3d/6f339545b4e64271b2ff93785669d9a1/FLAG0c369748e [2020-10-13 17:47:24,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8c50dd3d/6f339545b4e64271b2ff93785669d9a1 [2020-10-13 17:47:24,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:47:24,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:47:24,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:47:24,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:47:24,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:47:24,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:47:24" (1/1) ... [2020-10-13 17:47:24,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e27c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:24, skipping insertion in model container [2020-10-13 17:47:24,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:47:24" (1/1) ... [2020-10-13 17:47:24,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:47:24,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:47:26,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:47:26,139 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:47:26,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:47:27,182 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:47:27,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27 WrapperNode [2020-10-13 17:47:27,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:47:27,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:47:27,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:47:27,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:47:27,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... [2020-10-13 17:47:27,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:47:27,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:47:27,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:47:27,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:47:27,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:47:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:47:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:47:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 17:47:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 17:47:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 17:47:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 17:47:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 17:47:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 17:47:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-13 17:47:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-13 17:47:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-13 17:47:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 17:47:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:47:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 17:47:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-13 17:47:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:47:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:47:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-13 17:47:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2020-10-13 17:47:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2020-10-13 17:47:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-13 17:47:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 17:47:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-13 17:47:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-13 17:47:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:47:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-13 17:47:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-13 17:47:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-13 17:47:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-13 17:47:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 17:47:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:47:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2020-10-13 17:47:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2020-10-13 17:47:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2020-10-13 17:47:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2020-10-13 17:47:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2020-10-13 17:47:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2020-10-13 17:47:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2020-10-13 17:47:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2020-10-13 17:47:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2020-10-13 17:47:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2020-10-13 17:47:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2020-10-13 17:47:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2020-10-13 17:47:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2020-10-13 17:47:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-13 17:47:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:47:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-13 17:47:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-13 17:47:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 17:47:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:47:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:47:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:47:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-13 17:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-13 17:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 17:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 17:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-13 17:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 17:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 17:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-13 17:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-13 17:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-13 17:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-13 17:47:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 17:47:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-13 17:47:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-13 17:47:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:47:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:47:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-13 17:47:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:47:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-13 17:47:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:47:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-13 17:47:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 17:47:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-13 17:47:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 17:47:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-13 17:47:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:47:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 17:47:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2020-10-13 17:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 17:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:47:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2020-10-13 17:47:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-13 17:47:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 17:47:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:47:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:47:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:47:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:47:28,791 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:47:28,852 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2020-10-13 17:47:28,852 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2020-10-13 17:47:29,296 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-13 17:47:31,894 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:47:31,973 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-13 17:47:31,973 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-13 17:47:32,359 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:47:32,576 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2020-10-13 17:47:32,577 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2020-10-13 17:47:32,718 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:47:32,718 INFO L295 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-13 17:47:32,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:47:32 BoogieIcfgContainer [2020-10-13 17:47:32,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:47:32,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:47:32,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:47:32,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:47:32,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:47:24" (1/3) ... [2020-10-13 17:47:32,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f427fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:47:32, skipping insertion in model container [2020-10-13 17:47:32,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:27" (2/3) ... [2020-10-13 17:47:32,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f427fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:47:32, skipping insertion in model container [2020-10-13 17:47:32,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:47:32" (3/3) ... [2020-10-13 17:47:32,735 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2020-10-13 17:47:32,746 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:47:32,755 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:47:32,769 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:47:32,796 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:47:32,796 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:47:32,797 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:47:32,797 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:47:32,797 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:47:32,797 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:47:32,797 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:47:32,797 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:47:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states. [2020-10-13 17:47:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 17:47:32,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:32,842 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] [2020-10-13 17:47:32,843 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:32,849 INFO L82 PathProgramCache]: Analyzing trace with hash -705885941, now seen corresponding path program 1 times [2020-10-13 17:47:32,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:32,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421434045] [2020-10-13 17:47:32,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:38,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:38,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 17:47:38,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:47:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-13 17:47:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:47:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 17:47:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:47:38,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 17:47:38,896 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:47:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:39,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-13 17:47:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:39,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:39,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:39,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:39,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:39,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 17:47:39,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:47:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:47:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:39,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:39,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:39,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:39,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:39,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:47:39,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:39,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:39,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:39,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:39,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:39,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:47:39,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:39,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:39,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:39,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:39,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:47:39,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421434045] [2020-10-13 17:47:39,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:47:39,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 17:47:39,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638972277] [2020-10-13 17:47:39,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 17:47:39,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:39,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 17:47:39,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:47:39,321 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 7 states. [2020-10-13 17:47:41,874 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-13 17:47:42,211 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 17:47:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:49,688 INFO L93 Difference]: Finished difference Result 1364 states and 1886 transitions. [2020-10-13 17:47:49,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:47:49,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-10-13 17:47:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:49,714 INFO L225 Difference]: With dead ends: 1364 [2020-10-13 17:47:49,715 INFO L226 Difference]: Without dead ends: 705 [2020-10-13 17:47:49,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 17:47:49,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2020-10-13 17:47:49,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 667. [2020-10-13 17:47:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-13 17:47:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 832 transitions. [2020-10-13 17:47:49,908 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 832 transitions. Word has length 31 [2020-10-13 17:47:49,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:49,908 INFO L479 AbstractCegarLoop]: Abstraction has 667 states and 832 transitions. [2020-10-13 17:47:49,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 17:47:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 832 transitions. [2020-10-13 17:47:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 17:47:49,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:49,910 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] [2020-10-13 17:47:49,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:47:49,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:49,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:49,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1098912951, now seen corresponding path program 1 times [2020-10-13 17:47:49,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:49,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991507286] [2020-10-13 17:47:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:50,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 17:47:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-10-13 17:47:50,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:47:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 17:47:50,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:51,273 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:47:51,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:51,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:51,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:51,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:51,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-13 17:47:51,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:47:51,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:51,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:51,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:51,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:51,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:51,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:47:51,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:47:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:51,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:51,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:51,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:51,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:51,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:51,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 17:47:51,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:51,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:47:51,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:51,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:51,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:51,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:51,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:51,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:51,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:51,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:51,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:51,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:51,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:47:51,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991507286] [2020-10-13 17:47:51,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:47:51,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:47:51,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153110973] [2020-10-13 17:47:51,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:47:51,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:51,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:47:51,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:47:51,737 INFO L87 Difference]: Start difference. First operand 667 states and 832 transitions. Second operand 4 states. [2020-10-13 17:47:54,115 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-13 17:48:03,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:03,811 INFO L93 Difference]: Finished difference Result 2005 states and 2562 transitions. [2020-10-13 17:48:03,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:48:03,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-13 17:48:03,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:03,829 INFO L225 Difference]: With dead ends: 2005 [2020-10-13 17:48:03,830 INFO L226 Difference]: Without dead ends: 1370 [2020-10-13 17:48:03,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:48:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-13 17:48:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1304. [2020-10-13 17:48:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-10-13 17:48:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1642 transitions. [2020-10-13 17:48:04,148 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1642 transitions. Word has length 31 [2020-10-13 17:48:04,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:04,149 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1642 transitions. [2020-10-13 17:48:04,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:48:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1642 transitions. [2020-10-13 17:48:04,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 17:48:04,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:04,151 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] [2020-10-13 17:48:04,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:48:04,151 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:04,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:04,151 INFO L82 PathProgramCache]: Analyzing trace with hash 292998915, now seen corresponding path program 1 times [2020-10-13 17:48:04,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:04,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975473638] [2020-10-13 17:48:04,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:04,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:04,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:04,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 17:48:04,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-13 17:48:04,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 17:48:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:04,969 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:48:04,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:05,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-13 17:48:05,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:05,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:05,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:05,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:48:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 17:48:05,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:48:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:05,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:48:05,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975473638] [2020-10-13 17:48:05,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:05,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:48:05,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069278030] [2020-10-13 17:48:05,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:48:05,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:05,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:48:05,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:48:05,361 INFO L87 Difference]: Start difference. First operand 1304 states and 1642 transitions. Second operand 4 states. [2020-10-13 17:48:07,722 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-13 17:48:12,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:12,258 INFO L93 Difference]: Finished difference Result 1369 states and 1743 transitions. [2020-10-13 17:48:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:48:12,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-13 17:48:12,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:12,267 INFO L225 Difference]: With dead ends: 1369 [2020-10-13 17:48:12,267 INFO L226 Difference]: Without dead ends: 1356 [2020-10-13 17:48:12,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:48:12,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-13 17:48:12,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1288. [2020-10-13 17:48:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2020-10-13 17:48:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1620 transitions. [2020-10-13 17:48:12,450 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1620 transitions. Word has length 32 [2020-10-13 17:48:12,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:12,450 INFO L479 AbstractCegarLoop]: Abstraction has 1288 states and 1620 transitions. [2020-10-13 17:48:12,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:48:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1620 transitions. [2020-10-13 17:48:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 17:48:12,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:12,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:12,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:48:12,457 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:12,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1703997437, now seen corresponding path program 1 times [2020-10-13 17:48:12,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:12,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837641401] [2020-10-13 17:48:12,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:12,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:12,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:17,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:17,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 17:48:17,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4959 [2020-10-13 17:48:17,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 17:48:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 17:48:17,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:17,860 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:48:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:17,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:17,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:17,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:17,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:17,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 17:48:17,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:17,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:18,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:18,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:18,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:48:18,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:18,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:18,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:18,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 17:48:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:18,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:48:18,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:48:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:18,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:48:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:18,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 17:48:18,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 17:48:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:18,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:48:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:48:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:18,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 17:48:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:18,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:48:18,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837641401] [2020-10-13 17:48:18,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:18,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:48:18,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797247510] [2020-10-13 17:48:18,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:48:18,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:18,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:48:18,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:48:18,368 INFO L87 Difference]: Start difference. First operand 1288 states and 1620 transitions. Second operand 5 states. [2020-10-13 17:48:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:26,458 INFO L93 Difference]: Finished difference Result 2736 states and 3534 transitions. [2020-10-13 17:48:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:48:26,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-13 17:48:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:26,469 INFO L225 Difference]: With dead ends: 2736 [2020-10-13 17:48:26,469 INFO L226 Difference]: Without dead ends: 1475 [2020-10-13 17:48:26,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:48:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2020-10-13 17:48:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1360. [2020-10-13 17:48:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2020-10-13 17:48:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1745 transitions. [2020-10-13 17:48:26,647 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1745 transitions. Word has length 82 [2020-10-13 17:48:26,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:26,647 INFO L479 AbstractCegarLoop]: Abstraction has 1360 states and 1745 transitions. [2020-10-13 17:48:26,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:48:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1745 transitions. [2020-10-13 17:48:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 17:48:26,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:26,654 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:26,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 17:48:26,655 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:26,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1407775421, now seen corresponding path program 1 times [2020-10-13 17:48:26,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:26,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920957416] [2020-10-13 17:48:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:31,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:31,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 17:48:31,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:31,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 17:48:31,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:31,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:31,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 17:48:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:48:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,124 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:48:32,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-13 17:48:32,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:32,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:32,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:32,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:32,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:32,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:32,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:48:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:32,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 17:48:32,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:48:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:48:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:32,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:32,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 17:48:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:32,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:48:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:32,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:48:32,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:48:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:32,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:32,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:32,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:32,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:48:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:32,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:48:32,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:48:32,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 17:48:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:32,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:48:32,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920957416] [2020-10-13 17:48:32,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:32,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 17:48:32,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400547687] [2020-10-13 17:48:32,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 17:48:32,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:32,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 17:48:32,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 17:48:32,678 INFO L87 Difference]: Start difference. First operand 1360 states and 1745 transitions. Second operand 8 states. [2020-10-13 17:48:32,970 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-13 17:48:36,113 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-10-13 17:48:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:44,608 INFO L93 Difference]: Finished difference Result 2907 states and 3815 transitions. [2020-10-13 17:48:44,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 17:48:44,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-10-13 17:48:44,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:44,621 INFO L225 Difference]: With dead ends: 2907 [2020-10-13 17:48:44,621 INFO L226 Difference]: Without dead ends: 1563 [2020-10-13 17:48:44,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:48:44,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2020-10-13 17:48:44,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1365. [2020-10-13 17:48:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-10-13 17:48:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1748 transitions. [2020-10-13 17:48:44,827 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1748 transitions. Word has length 116 [2020-10-13 17:48:44,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:44,827 INFO L479 AbstractCegarLoop]: Abstraction has 1365 states and 1748 transitions. [2020-10-13 17:48:44,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 17:48:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1748 transitions. [2020-10-13 17:48:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 17:48:44,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:44,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:44,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 17:48:44,832 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:44,832 INFO L82 PathProgramCache]: Analyzing trace with hash 65764483, now seen corresponding path program 1 times [2020-10-13 17:48:44,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:44,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691913451] [2020-10-13 17:48:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:49,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:49,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 17:48:49,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-13 17:48:49,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 17:48:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:48:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,413 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:48:50,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 17:48:50,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:50,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:50,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:50,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:50,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:48:50,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:50,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:48:50,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:50,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:50,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:48:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 17:48:50,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 17:48:50,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:48:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 17:48:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:50,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:50,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 17:48:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:50,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:50,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:50,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:50,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 17:48:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:50,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:50,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 17:48:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:50,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:48:50,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:48:50,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:50,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:50,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:50,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 17:48:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:50,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:48:50,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:48:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:50,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:48:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:50,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:50,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:50,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:50,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:50,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:50,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:50,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:50,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 17:48:51,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691913451] [2020-10-13 17:48:51,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:51,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 17:48:51,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350476968] [2020-10-13 17:48:51,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 17:48:51,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:51,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 17:48:51,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 17:48:51,017 INFO L87 Difference]: Start difference. First operand 1365 states and 1748 transitions. Second operand 8 states. [2020-10-13 17:48:51,318 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-13 17:48:55,258 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-10-13 17:49:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:03,524 INFO L93 Difference]: Finished difference Result 2917 states and 3823 transitions. [2020-10-13 17:49:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 17:49:03,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-10-13 17:49:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:03,546 INFO L225 Difference]: With dead ends: 2917 [2020-10-13 17:49:03,546 INFO L226 Difference]: Without dead ends: 1568 [2020-10-13 17:49:03,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:49:03,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2020-10-13 17:49:03,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1362. [2020-10-13 17:49:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2020-10-13 17:49:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1742 transitions. [2020-10-13 17:49:03,910 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1742 transitions. Word has length 128 [2020-10-13 17:49:03,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:03,911 INFO L479 AbstractCegarLoop]: Abstraction has 1362 states and 1742 transitions. [2020-10-13 17:49:03,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 17:49:03,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1742 transitions. [2020-10-13 17:49:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 17:49:03,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:03,919 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:03,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 17:49:03,919 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:03,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:03,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1591960551, now seen corresponding path program 1 times [2020-10-13 17:49:03,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:03,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603800686] [2020-10-13 17:49:03,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:04,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:06,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:07,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 17:49:09,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:49:09,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5217 [2020-10-13 17:49:09,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:49:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 17:49:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:49:09,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:09,753 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:49:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:09,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:09,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:09,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 17:49:09,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:09,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:09,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:09,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:09,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:09,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:49:09,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:09,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:09,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:09,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:09,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:09,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 17:49:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:09,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:09,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:09,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:09,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:09,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 17:49:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:49:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:49:10,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 17:49:10,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:49:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:49:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:10,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:49:10,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:49:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:49:10,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 17:49:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:10,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 17:49:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:10,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:49:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:49:10,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 17:49:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:10,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:49:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:49:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:10,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:10,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 17:49:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:10,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:49:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:49:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:49:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:10,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:10,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:49:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:10,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:49:10,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:49:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:10,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:49:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 17:49:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:10,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:49:10,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:49:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:10,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:49:10,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:10,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:10,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 17:49:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:10,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:49:10,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:49:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:10,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:10,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:10,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:10,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:10,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-13 17:49:10,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603800686] [2020-10-13 17:49:10,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:49:10,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 17:49:10,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521190872] [2020-10-13 17:49:10,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:49:10,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:49:10,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:49:10,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:49:10,673 INFO L87 Difference]: Start difference. First operand 1362 states and 1742 transitions. Second operand 10 states. [2020-10-13 17:49:13,873 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 17:49:14,257 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 17:49:15,380 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 17:49:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:21,188 INFO L93 Difference]: Finished difference Result 2816 states and 3663 transitions. [2020-10-13 17:49:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 17:49:21,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 17:49:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:21,198 INFO L225 Difference]: With dead ends: 2816 [2020-10-13 17:49:21,199 INFO L226 Difference]: Without dead ends: 1476 [2020-10-13 17:49:21,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-13 17:49:21,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2020-10-13 17:49:21,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1371. [2020-10-13 17:49:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2020-10-13 17:49:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1752 transitions. [2020-10-13 17:49:21,401 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1752 transitions. Word has length 176 [2020-10-13 17:49:21,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:21,402 INFO L479 AbstractCegarLoop]: Abstraction has 1371 states and 1752 transitions. [2020-10-13 17:49:21,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:49:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1752 transitions. [2020-10-13 17:49:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 17:49:21,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:21,406 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:21,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 17:49:21,407 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:21,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:21,407 INFO L82 PathProgramCache]: Analyzing trace with hash 950874408, now seen corresponding path program 1 times [2020-10-13 17:49:21,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:21,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543053518] [2020-10-13 17:49:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:21,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:21,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:26,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:26,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 17:49:26,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:49:26,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5133 [2020-10-13 17:49:26,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:26,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:49:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 225 [2020-10-13 17:49:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 17:49:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,222 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:49:27,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 17:49:27,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:27,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:27,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:27,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:49:27,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:27,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:49:27,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:27,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 17:49:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:27,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 17:49:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:27,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:49:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:49:27,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:49:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:27,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:27,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 17:49:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 17:49:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:27,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:49:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 17:49:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:27,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:49:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:27,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:49:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:27,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:27,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 17:49:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:27,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:49:27,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:27,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:27,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:49:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:27,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:49:27,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:27,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:49:27,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:27,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:27,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 17:49:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:27,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:27,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:27,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:49:27,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:27,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:27,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:27,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 17:49:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:27,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:49:27,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:27,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:49:27,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:27,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:27,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:27,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:49:27,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 17:49:28,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543053518] [2020-10-13 17:49:28,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:49:28,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 17:49:28,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5110023] [2020-10-13 17:49:28,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:49:28,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:49:28,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:49:28,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:49:28,022 INFO L87 Difference]: Start difference. First operand 1371 states and 1752 transitions. Second operand 10 states. [2020-10-13 17:49:35,475 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:49:35,896 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-13 17:49:36,271 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:49:39,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:39,125 INFO L93 Difference]: Finished difference Result 1540 states and 2007 transitions. [2020-10-13 17:49:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 17:49:39,126 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 17:49:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:39,135 INFO L225 Difference]: With dead ends: 1540 [2020-10-13 17:49:39,136 INFO L226 Difference]: Without dead ends: 1476 [2020-10-13 17:49:39,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-13 17:49:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2020-10-13 17:49:39,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1371. [2020-10-13 17:49:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2020-10-13 17:49:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1750 transitions. [2020-10-13 17:49:39,346 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1750 transitions. Word has length 176 [2020-10-13 17:49:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:39,349 INFO L479 AbstractCegarLoop]: Abstraction has 1371 states and 1750 transitions. [2020-10-13 17:49:39,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:49:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1750 transitions. [2020-10-13 17:49:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 17:49:39,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:39,355 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:39,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 17:49:39,355 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:39,356 INFO L82 PathProgramCache]: Analyzing trace with hash -565324246, now seen corresponding path program 1 times [2020-10-13 17:49:39,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:39,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852649729] [2020-10-13 17:49:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:41,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:44,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:44,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 17:49:44,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:49:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 17:49:44,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 17:49:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-13 17:49:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 17:49:44,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,031 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:49:45,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 17:49:45,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:49:45,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:45,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 17:49:45,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:45,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:45,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 17:49:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 17:49:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:45,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:49:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:49:45,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:49:45,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:45,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 17:49:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:49:45,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 17:49:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:49:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 17:49:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:49:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:45,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:49:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:45,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:45,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 17:49:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:45,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 17:49:45,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:49:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:49:45,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:45,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:45,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:49:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:45,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:49:45,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:45,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:49:45,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:45,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:45,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:45,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:45,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 17:49:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:45,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:49:45,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:49:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:45,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:45,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:45,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:45,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 17:49:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:45,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 17:49:45,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:45,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:49:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:45,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:45,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:45,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-13 17:49:45,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852649729] [2020-10-13 17:49:45,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:49:45,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 17:49:45,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745102196] [2020-10-13 17:49:45,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 17:49:45,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:49:45,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 17:49:45,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-13 17:49:45,975 INFO L87 Difference]: Start difference. First operand 1371 states and 1750 transitions. Second operand 9 states. [2020-10-13 17:49:52,275 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 17:49:55,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:55,606 INFO L93 Difference]: Finished difference Result 2558 states and 3320 transitions. [2020-10-13 17:49:55,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 17:49:55,608 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-13 17:49:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:55,617 INFO L225 Difference]: With dead ends: 2558 [2020-10-13 17:49:55,617 INFO L226 Difference]: Without dead ends: 1194 [2020-10-13 17:49:55,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:49:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-13 17:49:55,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1107. [2020-10-13 17:49:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-10-13 17:49:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1391 transitions. [2020-10-13 17:49:55,787 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1391 transitions. Word has length 177 [2020-10-13 17:49:55,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:55,787 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1391 transitions. [2020-10-13 17:49:55,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 17:49:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1391 transitions. [2020-10-13 17:49:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 17:49:55,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:55,792 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:55,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 17:49:55,792 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:55,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:55,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1216175689, now seen corresponding path program 1 times [2020-10-13 17:49:55,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:55,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446776844] [2020-10-13 17:49:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:55,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:00,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-13 17:50:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:50:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,299 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:50:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 17:50:01,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:50:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:50:01,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:50:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:01,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:50:01,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:01,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:01,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 17:50:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 17:50:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:50:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 17:50:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 17:50:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:50:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 17:50:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:50:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:50:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:01,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:50:01,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 17:50:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:01,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 17:50:01,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:50:01,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 17:50:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:50:01,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:50:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:01,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:50:01,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:50:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:50:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:50:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:01,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:01,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 17:50:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:50:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:01,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:01,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 17:50:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:01,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:01,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:50:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:01,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:01,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:01,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:01,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:01,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:01,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:01,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 17:50:01,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446776844] [2020-10-13 17:50:01,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:50:01,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 17:50:01,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532228256] [2020-10-13 17:50:01,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:50:01,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:50:01,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:50:01,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:50:01,969 INFO L87 Difference]: Start difference. First operand 1107 states and 1391 transitions. Second operand 10 states. [2020-10-13 17:50:05,219 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 17:50:09,124 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:50:09,444 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:50:09,781 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:50:10,112 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-13 17:50:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:50:13,337 INFO L93 Difference]: Finished difference Result 1880 states and 2428 transitions. [2020-10-13 17:50:13,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 17:50:13,339 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-10-13 17:50:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:50:13,344 INFO L225 Difference]: With dead ends: 1880 [2020-10-13 17:50:13,345 INFO L226 Difference]: Without dead ends: 1185 [2020-10-13 17:50:13,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-13 17:50:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2020-10-13 17:50:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1110. [2020-10-13 17:50:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2020-10-13 17:50:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1393 transitions. [2020-10-13 17:50:13,536 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1393 transitions. Word has length 177 [2020-10-13 17:50:13,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:50:13,537 INFO L479 AbstractCegarLoop]: Abstraction has 1110 states and 1393 transitions. [2020-10-13 17:50:13,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:50:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1393 transitions. [2020-10-13 17:50:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 17:50:13,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:50:13,543 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:50:13,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 17:50:13,544 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:50:13,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:50:13,544 INFO L82 PathProgramCache]: Analyzing trace with hash 260654410, now seen corresponding path program 2 times [2020-10-13 17:50:13,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:50:13,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573321730] [2020-10-13 17:50:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:50:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:13,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:18,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-13 17:50:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,047 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:50:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:50:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:50:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:50:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:50:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:50:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:19,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 17:50:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 17:50:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:50:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:19,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:50:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 17:50:19,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:19,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:19,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 17:50:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:19,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 17:50:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:50:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 17:50:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:50:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:50:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:19,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:19,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:19,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 17:50:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:50:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:50:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:50:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:19,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:50:19,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:50:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:19,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:19,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:50:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:19,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:50:19,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:50:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:50:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:50:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:19,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:19,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:50:19,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:19,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:19,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 17:50:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:19,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 17:50:19,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:50:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:50:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:50:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:19,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:50:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:50:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:19,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:19,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 17:50:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:50:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:19,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:50:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:50:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:19,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:19,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:19,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:19,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:19,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:19,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-13 17:50:19,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573321730] [2020-10-13 17:50:19,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:50:19,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 17:50:19,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602460173] [2020-10-13 17:50:19,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:50:19,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:50:19,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:50:19,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:50:19,701 INFO L87 Difference]: Start difference. First operand 1110 states and 1393 transitions. Second operand 10 states. [2020-10-13 17:50:22,086 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-13 17:50:25,969 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-13 17:50:36,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:50:36,618 INFO L93 Difference]: Finished difference Result 1939 states and 2525 transitions. [2020-10-13 17:50:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 17:50:36,619 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-10-13 17:50:36,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:50:36,631 INFO L225 Difference]: With dead ends: 1939 [2020-10-13 17:50:36,632 INFO L226 Difference]: Without dead ends: 1936 [2020-10-13 17:50:36,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-13 17:50:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2020-10-13 17:50:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1814. [2020-10-13 17:50:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1814 states. [2020-10-13 17:50:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2337 transitions. [2020-10-13 17:50:36,903 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2337 transitions. Word has length 177 [2020-10-13 17:50:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:50:36,904 INFO L479 AbstractCegarLoop]: Abstraction has 1814 states and 2337 transitions. [2020-10-13 17:50:36,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:50:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2337 transitions. [2020-10-13 17:50:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-13 17:50:36,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:50:36,908 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:50:36,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 17:50:36,908 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:50:36,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:50:36,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1771238852, now seen corresponding path program 1 times [2020-10-13 17:50:36,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:50:36,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659312180] [2020-10-13 17:50:36,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:50:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:37,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:40,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:40,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-13 17:50:42,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 17:50:42,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-13 17:50:42,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:50:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 226 [2020-10-13 17:50:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:50:42,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,496 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-13 17:50:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:50:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:50:42,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:50:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:42,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 17:50:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 17:50:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:50:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:42,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:42,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 17:50:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 17:50:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:50:42,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:50:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 17:50:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:50:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 17:50:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:42,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 17:50:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:50:42,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:42,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 17:50:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:42,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:42,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:42,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:50:42,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 17:50:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:42,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:42,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 17:50:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:50:42,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:42,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:50:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:42,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:42,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:42,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 17:50:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:42,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:50:42,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:50:42,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 17:50:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 17:50:42,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659312180] [2020-10-13 17:50:42,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:50:42,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 17:50:42,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801179981] [2020-10-13 17:50:42,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 17:50:42,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:50:42,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 17:50:42,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:50:42,946 INFO L87 Difference]: Start difference. First operand 1814 states and 2337 transitions. Second operand 11 states. [2020-10-13 17:50:51,160 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:50:51,629 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 17:50:52,518 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-13 17:50:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:50:55,374 INFO L93 Difference]: Finished difference Result 1999 states and 2613 transitions. [2020-10-13 17:50:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 17:50:55,375 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2020-10-13 17:50:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:50:55,385 INFO L225 Difference]: With dead ends: 1999 [2020-10-13 17:50:55,386 INFO L226 Difference]: Without dead ends: 1916 [2020-10-13 17:50:55,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-13 17:50:55,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states.