/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 03:06:35,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 03:06:35,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 03:06:35,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 03:06:35,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 03:06:35,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 03:06:35,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 03:06:35,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 03:06:35,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 03:06:35,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 03:06:35,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 03:06:35,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 03:06:35,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 03:06:35,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 03:06:35,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 03:06:35,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 03:06:35,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 03:06:35,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 03:06:35,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 03:06:35,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 03:06:35,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 03:06:35,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 03:06:35,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 03:06:35,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 03:06:35,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 03:06:35,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 03:06:35,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 03:06:35,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 03:06:35,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 03:06:35,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 03:06:35,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 03:06:35,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 03:06:35,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 03:06:35,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 03:06:35,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 03:06:35,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 03:06:35,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 03:06:35,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 03:06:35,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 03:06:35,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 03:06:35,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 03:06:35,605 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 [2020-10-28 03:06:35,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 03:06:35,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 03:06:35,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 03:06:35,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 03:06:35,673 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 03:06:35,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 03:06:35,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 03:06:35,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 03:06:35,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 03:06:35,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 03:06:35,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 03:06:35,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 03:06:35,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 03:06:35,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 03:06:35,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 03:06:35,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 03:06:35,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 03:06:35,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 03:06:35,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:06:35,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 03:06:35,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 03:06:35,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 03:06:35,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 03:06:35,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 03:06:35,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 03:06:35,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 03:06:35,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 03:06:35,679 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 03:06:36,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 03:06:36,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 03:06:36,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 03:06:36,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 03:06:36,108 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 03:06:36,109 INFO L432 ainManager$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 [2020-10-28 03:06:36,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/124c624f0/f7fea998dc3f4288a98a80bc74c777ba/FLAGf75480980 [2020-10-28 03:06:37,181 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 03:06:37,182 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 [2020-10-28 03:06:37,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/124c624f0/f7fea998dc3f4288a98a80bc74c777ba/FLAGf75480980 [2020-10-28 03:06:37,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/124c624f0/f7fea998dc3f4288a98a80bc74c777ba [2020-10-28 03:06:37,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 03:06:37,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 03:06:37,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 03:06:37,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 03:06:37,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 03:06:37,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:06:37" (1/1) ... [2020-10-28 03:06:37,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e8ec58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:37, skipping insertion in model container [2020-10-28 03:06:37,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:06:37" (1/1) ... [2020-10-28 03:06:37,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 03:06:37,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 03:06:39,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:06:39,335 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 03:06:39,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:06:40,313 INFO L208 MainTranslator]: Completed translation [2020-10-28 03:06:40,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40 WrapperNode [2020-10-28 03:06:40,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 03:06:40,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 03:06:40,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 03:06:40,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 03:06:40,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (1/1) ... [2020-10-28 03:06:40,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 03:06:40,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 03:06:40,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 03:06:40,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 03:06:40,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (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 [2020-10-28 03:06:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 03:06:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 03:06:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-28 03:06:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 03:06:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 03:06:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 03:06:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 03:06:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 03:06:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-28 03:06:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-28 03:06:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-28 03:06:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-28 03:06:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 03:06:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-28 03:06:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-28 03:06:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-28 03:06:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 03:06:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 03:06:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-28 03:06:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2020-10-28 03:06:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2020-10-28 03:06:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-28 03:06:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 03:06:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-28 03:06:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-28 03:06:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 03:06:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2020-10-28 03:06:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2020-10-28 03:06:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2020-10-28 03:06:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2020-10-28 03:06:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2020-10-28 03:06:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2020-10-28 03:06:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2020-10-28 03:06:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2020-10-28 03:06:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-28 03:06:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 03:06:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 03:06:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-28 03:06:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 03:06:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 03:06:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 03:06:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 03:06:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 03:06:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-28 03:06:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-28 03:06:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-28 03:06:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 03:06:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-28 03:06:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 03:06:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 03:06:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 03:06:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 03:06:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 03:06:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-28 03:06:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-28 03:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 03:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 03:06:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 03:06:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-28 03:06:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-28 03:06:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-28 03:06:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-28 03:06:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-28 03:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 03:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-28 03:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-28 03:06:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 03:06:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-28 03:06:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 03:06:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2020-10-28 03:06:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2020-10-28 03:06:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2020-10-28 03:06:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 03:06:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 03:06:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 03:06:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 03:06:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 03:06:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 03:06:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 03:06:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 03:06:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 03:06:41,928 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 03:06:42,025 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2020-10-28 03:06:42,026 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2020-10-28 03:06:42,544 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-28 03:06:45,309 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 03:06:45,374 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-28 03:06:45,374 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-28 03:06:45,837 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 03:06:46,027 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2020-10-28 03:06:46,028 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2020-10-28 03:06:46,183 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 03:06:46,183 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-28 03:06:46,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:06:46 BoogieIcfgContainer [2020-10-28 03:06:46,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 03:06:46,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 03:06:46,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 03:06:46,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 03:06:46,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:06:37" (1/3) ... [2020-10-28 03:06:46,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efaf553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:06:46, skipping insertion in model container [2020-10-28 03:06:46,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:06:40" (2/3) ... [2020-10-28 03:06:46,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efaf553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:06:46, skipping insertion in model container [2020-10-28 03:06:46,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:06:46" (3/3) ... [2020-10-28 03:06:46,197 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2020-10-28 03:06:46,210 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 03:06:46,217 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 03:06:46,232 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 03:06:46,266 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 03:06:46,267 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 03:06:46,267 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 03:06:46,267 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 03:06:46,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 03:06:46,267 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 03:06:46,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 03:06:46,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 03:06:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states. [2020-10-28 03:06:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-28 03:06:46,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:06:46,315 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] [2020-10-28 03:06:46,315 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:06:46,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:06:46,322 INFO L82 PathProgramCache]: Analyzing trace with hash 175509274, now seen corresponding path program 1 times [2020-10-28 03:06:46,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:06:46,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326088923] [2020-10-28 03:06:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:06:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:51,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:51,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 03:06:51,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:06:51,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 03:06:51,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:51,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:06:51,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 03:06:51,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:06:51,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:06:52,439 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:06:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:52,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:52,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:52,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:52,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-28 03:06:52,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:52,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:52,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:52,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:52,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:06:52,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:52,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:52,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:52,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:06:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:52,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:52,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:52,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:52,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 03:06:52,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:06:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 03:06:52,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:52,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:52,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:52,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:52,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:52,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:06:52,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:52,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:52,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:52,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:52,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:06:52,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:06:52,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326088923] [2020-10-28 03:06:52,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:06:52,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 03:06:52,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160517594] [2020-10-28 03:06:52,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 03:06:52,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:06:52,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 03:06:52,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 03:06:52,902 INFO L87 Difference]: Start difference. First operand 885 states. Second operand 7 states. [2020-10-28 03:06:55,723 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-10-28 03:06:56,274 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 03:07:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:05,444 INFO L93 Difference]: Finished difference Result 1371 states and 1896 transitions. [2020-10-28 03:07:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 03:07:05,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-10-28 03:07:05,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:05,472 INFO L225 Difference]: With dead ends: 1371 [2020-10-28 03:07:05,473 INFO L226 Difference]: Without dead ends: 707 [2020-10-28 03:07:05,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:07:05,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-10-28 03:07:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 669. [2020-10-28 03:07:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-10-28 03:07:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 834 transitions. [2020-10-28 03:07:05,702 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 834 transitions. Word has length 33 [2020-10-28 03:07:05,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:05,702 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 834 transitions. [2020-10-28 03:07:05,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 03:07:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 834 transitions. [2020-10-28 03:07:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-28 03:07:05,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:05,704 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] [2020-10-28 03:07:05,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 03:07:05,705 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:05,705 INFO L82 PathProgramCache]: Analyzing trace with hash 433674712, now seen corresponding path program 1 times [2020-10-28 03:07:05,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:05,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116819017] [2020-10-28 03:07:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:05,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:06,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:06,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 03:07:06,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-28 03:07:06,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:07:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:07:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 03:07:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:07,328 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:07:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:07,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:07,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:07,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-28 03:07:07,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:07:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:07,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:07,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:07,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:07,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:07:07,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:07:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:07,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:07,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:07,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:07,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 03:07:07,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:07:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:07,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:07,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:07,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:07,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:07,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:07,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:07,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:07,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:07,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:07:07,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116819017] [2020-10-28 03:07:07,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:07:07,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 03:07:07,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798346299] [2020-10-28 03:07:07,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 03:07:07,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:07,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 03:07:07,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 03:07:07,964 INFO L87 Difference]: Start difference. First operand 669 states and 834 transitions. Second operand 4 states. [2020-10-28 03:07:10,463 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 03:07:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:22,332 INFO L93 Difference]: Finished difference Result 2011 states and 2568 transitions. [2020-10-28 03:07:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 03:07:22,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-28 03:07:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:22,346 INFO L225 Difference]: With dead ends: 2011 [2020-10-28 03:07:22,346 INFO L226 Difference]: Without dead ends: 1374 [2020-10-28 03:07:22,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 03:07:22,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-10-28 03:07:22,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1306. [2020-10-28 03:07:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1306 states. [2020-10-28 03:07:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1644 transitions. [2020-10-28 03:07:22,655 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1644 transitions. Word has length 33 [2020-10-28 03:07:22,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:22,656 INFO L481 AbstractCegarLoop]: Abstraction has 1306 states and 1644 transitions. [2020-10-28 03:07:22,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 03:07:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1644 transitions. [2020-10-28 03:07:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 03:07:22,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:22,658 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] [2020-10-28 03:07:22,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 03:07:22,658 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:22,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:22,659 INFO L82 PathProgramCache]: Analyzing trace with hash 109442021, now seen corresponding path program 1 times [2020-10-28 03:07:22,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:22,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117130833] [2020-10-28 03:07:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:22,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:23,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:23,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 03:07:23,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 518 [2020-10-28 03:07:23,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:07:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 03:07:23,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:23,753 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:07:23,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:24,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-28 03:07:24,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:07:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:24,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:24,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:24,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:07:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:24,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:24,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:24,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:24,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:24,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:07:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:07:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:24,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:24,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:24,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:24,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:24,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:24,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:24,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:24,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:24,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:24,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:24,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:24,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:24,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:24,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:24,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:24,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:07:24,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117130833] [2020-10-28 03:07:24,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:07:24,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 03:07:24,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385623595] [2020-10-28 03:07:24,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 03:07:24,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:24,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 03:07:24,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 03:07:24,311 INFO L87 Difference]: Start difference. First operand 1306 states and 1644 transitions. Second operand 4 states. [2020-10-28 03:07:26,868 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 03:07:32,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:32,706 INFO L93 Difference]: Finished difference Result 1373 states and 1747 transitions. [2020-10-28 03:07:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 03:07:32,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-28 03:07:32,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:32,716 INFO L225 Difference]: With dead ends: 1373 [2020-10-28 03:07:32,716 INFO L226 Difference]: Without dead ends: 1358 [2020-10-28 03:07:32,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 03:07:32,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2020-10-28 03:07:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1290. [2020-10-28 03:07:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1290 states. [2020-10-28 03:07:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1622 transitions. [2020-10-28 03:07:32,956 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1622 transitions. Word has length 34 [2020-10-28 03:07:32,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:32,956 INFO L481 AbstractCegarLoop]: Abstraction has 1290 states and 1622 transitions. [2020-10-28 03:07:32,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 03:07:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1622 transitions. [2020-10-28 03:07:32,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 03:07:32,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:32,963 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, 1, 1] [2020-10-28 03:07:32,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 03:07:32,964 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:32,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1998336781, now seen corresponding path program 1 times [2020-10-28 03:07:32,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:32,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391593038] [2020-10-28 03:07:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:33,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 03:07:38,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:07:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 03:07:38,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 03:07:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 03:07:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 03:07:38,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:38,599 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:07:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:38,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:38,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 03:07:38,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:38,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:07:38,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:38,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:38,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:07:38,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:38,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:38,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:38,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:38,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:38,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:07:38,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:38,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:38,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:38,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 03:07:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:38,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:38,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:38,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:38,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 03:07:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 03:07:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 03:07:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:39,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:39,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:39,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 03:07:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:07:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:07:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:39,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:39,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:39,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:39,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:07:39,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:07:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:07:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 03:07:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:39,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:39,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 03:07:39,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:07:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:39,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:39,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 03:07:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:39,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:39,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:39,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:39,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:07:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:07:39,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391593038] [2020-10-28 03:07:39,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:07:39,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 03:07:39,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193034449] [2020-10-28 03:07:39,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 03:07:39,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:39,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 03:07:39,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:07:39,208 INFO L87 Difference]: Start difference. First operand 1290 states and 1622 transitions. Second operand 11 states. [2020-10-28 03:07:42,782 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 03:07:43,346 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:07:43,901 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:07:44,495 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:07:45,006 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:07:45,537 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:07:46,070 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:07:54,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:54,771 INFO L93 Difference]: Finished difference Result 2637 states and 3362 transitions. [2020-10-28 03:07:54,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:07:54,773 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-28 03:07:54,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:54,783 INFO L225 Difference]: With dead ends: 2637 [2020-10-28 03:07:54,783 INFO L226 Difference]: Without dead ends: 1374 [2020-10-28 03:07:54,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-10-28 03:07:54,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-10-28 03:07:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1310. [2020-10-28 03:07:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-28 03:07:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1646 transitions. [2020-10-28 03:07:55,001 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1646 transitions. Word has length 84 [2020-10-28 03:07:55,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:55,002 INFO L481 AbstractCegarLoop]: Abstraction has 1310 states and 1646 transitions. [2020-10-28 03:07:55,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 03:07:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1646 transitions. [2020-10-28 03:07:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 03:07:55,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:55,007 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, 1, 1] [2020-10-28 03:07:55,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 03:07:55,007 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:55,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:55,008 INFO L82 PathProgramCache]: Analyzing trace with hash -571149618, now seen corresponding path program 1 times [2020-10-28 03:07:55,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:55,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212132512] [2020-10-28 03:07:55,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:55,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 03:07:55,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-28 03:07:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 03:07:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 03:07:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,100 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:07:56,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:56,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 03:07:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:56,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:56,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:56,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:56,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:56,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:56,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:56,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:56,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 03:07:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:56,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:07:56,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 03:07:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:56,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:56,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:56,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:56,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:07:56,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:56,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 03:07:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:56,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:07:56,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 03:07:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:56,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:56,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:56,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:56,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:07:56,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 03:07:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:56,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:56,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:56,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:56,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:56,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:07:56,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:56,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:07:56,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212132512] [2020-10-28 03:07:56,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:07:56,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 03:07:56,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905853037] [2020-10-28 03:07:56,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 03:07:56,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:56,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 03:07:56,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 03:07:56,486 INFO L87 Difference]: Start difference. First operand 1310 states and 1646 transitions. Second operand 5 states. [2020-10-28 03:08:03,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:08:03,892 INFO L93 Difference]: Finished difference Result 2725 states and 3502 transitions. [2020-10-28 03:08:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 03:08:03,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-10-28 03:08:03,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:08:03,903 INFO L225 Difference]: With dead ends: 2725 [2020-10-28 03:08:03,903 INFO L226 Difference]: Without dead ends: 1442 [2020-10-28 03:08:03,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 03:08:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-28 03:08:04,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1382. [2020-10-28 03:08:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2020-10-28 03:08:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1771 transitions. [2020-10-28 03:08:04,140 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1771 transitions. Word has length 84 [2020-10-28 03:08:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:08:04,140 INFO L481 AbstractCegarLoop]: Abstraction has 1382 states and 1771 transitions. [2020-10-28 03:08:04,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 03:08:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1771 transitions. [2020-10-28 03:08:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-28 03:08:04,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:08:04,145 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, 1, 1] [2020-10-28 03:08:04,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 03:08:04,146 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:08:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:08:04,146 INFO L82 PathProgramCache]: Analyzing trace with hash -554173784, now seen corresponding path program 1 times [2020-10-28 03:08:04,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:08:04,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367006708] [2020-10-28 03:08:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:08:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:04,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:05,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:05,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 03:08:05,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:05,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1583 [2020-10-28 03:08:05,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:05,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:08:05,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 03:08:05,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 03:08:05,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,355 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:08:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-28 03:08:06,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:08:06,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:06,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:08:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:06,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:06,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:06,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:06,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 03:08:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:06,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 03:08:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:08:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 03:08:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:06,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:06,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 03:08:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:06,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:06,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 03:08:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:06,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:08:06,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 03:08:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:06,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:08:06,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:06,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:08:06,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 03:08:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:06,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:08:06,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 03:08:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 03:08:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:06,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:06,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:06,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:06,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:06,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:06,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:06,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:06,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:06,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:08:06,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367006708] [2020-10-28 03:08:06,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:08:06,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:08:06,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73758456] [2020-10-28 03:08:06,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:08:06,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:08:06,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:08:06,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:08:06,988 INFO L87 Difference]: Start difference. First operand 1382 states and 1771 transitions. Second operand 8 states. [2020-10-28 03:08:07,511 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-28 03:08:11,061 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-28 03:08:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:08:21,174 INFO L93 Difference]: Finished difference Result 2898 states and 3785 transitions. [2020-10-28 03:08:21,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:08:21,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-10-28 03:08:21,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:08:21,185 INFO L225 Difference]: With dead ends: 2898 [2020-10-28 03:08:21,185 INFO L226 Difference]: Without dead ends: 1529 [2020-10-28 03:08:21,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:08:21,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-10-28 03:08:21,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1384. [2020-10-28 03:08:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2020-10-28 03:08:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1768 transitions. [2020-10-28 03:08:21,422 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1768 transitions. Word has length 118 [2020-10-28 03:08:21,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:08:21,423 INFO L481 AbstractCegarLoop]: Abstraction has 1384 states and 1768 transitions. [2020-10-28 03:08:21,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:08:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1768 transitions. [2020-10-28 03:08:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-28 03:08:21,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:08:21,428 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, 1, 1] [2020-10-28 03:08:21,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 03:08:21,428 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:08:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:08:21,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1198616947, now seen corresponding path program 1 times [2020-10-28 03:08:21,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:08:21,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591776862] [2020-10-28 03:08:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:08:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:21,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:22,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:26,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:26,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 03:08:26,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:08:26,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5135 [2020-10-28 03:08:26,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:08:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 225 [2020-10-28 03:08:26,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:08:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,389 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:08:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-28 03:08:27,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:08:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:08:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:27,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:08:27,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:27,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:27,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 03:08:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:27,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 03:08:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:27,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:08:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:08:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:27,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 03:08:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:27,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 03:08:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 03:08:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 03:08:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:08:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 03:08:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:27,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:27,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 03:08:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:27,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:08:27,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:27,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:27,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:27,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:27,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 03:08:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:27,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:08:27,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:27,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:27,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:27,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:27,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 03:08:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:08:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:27,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:27,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:27,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:27,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:27,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:27,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:28,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:28,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:28,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:28,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:28,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:28,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:28,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:28,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 03:08:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:28,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:28,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:28,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:28,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:08:28,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:28,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:28,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:28,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:28,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:28,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:28,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:28,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-28 03:08:28,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591776862] [2020-10-28 03:08:28,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:08:28,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 03:08:28,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179630957] [2020-10-28 03:08:28,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:08:28,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:08:28,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:08:28,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:08:28,135 INFO L87 Difference]: Start difference. First operand 1384 states and 1768 transitions. Second operand 10 states. [2020-10-28 03:08:37,353 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 03:08:37,898 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-10-28 03:08:38,462 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-28 03:08:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:08:41,395 INFO L93 Difference]: Finished difference Result 1508 states and 1951 transitions. [2020-10-28 03:08:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 03:08:41,397 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-10-28 03:08:41,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:08:41,406 INFO L225 Difference]: With dead ends: 1508 [2020-10-28 03:08:41,406 INFO L226 Difference]: Without dead ends: 1442 [2020-10-28 03:08:41,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-28 03:08:41,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-28 03:08:41,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1384. [2020-10-28 03:08:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2020-10-28 03:08:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1766 transitions. [2020-10-28 03:08:41,643 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1766 transitions. Word has length 178 [2020-10-28 03:08:41,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:08:41,644 INFO L481 AbstractCegarLoop]: Abstraction has 1384 states and 1766 transitions. [2020-10-28 03:08:41,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:08:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1766 transitions. [2020-10-28 03:08:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 03:08:41,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:08:41,648 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, 1, 1, 1] [2020-10-28 03:08:41,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 03:08:41,649 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:08:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:08:41,649 INFO L82 PathProgramCache]: Analyzing trace with hash 370669686, now seen corresponding path program 1 times [2020-10-28 03:08:41,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:08:41,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103997820] [2020-10-28 03:08:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:08:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:41,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:42,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:46,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:46,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 03:08:46,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:08:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5111 [2020-10-28 03:08:46,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 03:08:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-28 03:08:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 03:08:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,632 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:08:47,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 03:08:47,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:08:47,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:47,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:08:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:47,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:47,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:47,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:47,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:47,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 03:08:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:47,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 03:08:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:08:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:47,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:47,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:47,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:47,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 03:08:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:47,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 03:08:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 03:08:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 03:08:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:47,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:08:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:47,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:47,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:47,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:47,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 03:08:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:47,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 03:08:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:48,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 03:08:48,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:08:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 03:08:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:48,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:48,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 03:08:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:48,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:08:48,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:08:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:48,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:48,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:48,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 03:08:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:48,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:08:48,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:08:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:48,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:48,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:48,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 03:08:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:48,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:08:48,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:08:48,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:48,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:48,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:48,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:48,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:48,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:48,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:48,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-28 03:08:48,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103997820] [2020-10-28 03:08:48,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:08:48,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 03:08:48,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269317043] [2020-10-28 03:08:48,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:08:48,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:08:48,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:08:48,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:08:48,436 INFO L87 Difference]: Start difference. First operand 1384 states and 1766 transitions. Second operand 9 states. [2020-10-28 03:08:56,519 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 03:09:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:09:01,614 INFO L93 Difference]: Finished difference Result 2549 states and 3297 transitions. [2020-10-28 03:09:01,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:09:01,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 179 [2020-10-28 03:09:01,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:09:01,623 INFO L225 Difference]: With dead ends: 2549 [2020-10-28 03:09:01,623 INFO L226 Difference]: Without dead ends: 1172 [2020-10-28 03:09:01,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:09:01,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-10-28 03:09:01,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1109. [2020-10-28 03:09:01,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-10-28 03:09:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1394 transitions. [2020-10-28 03:09:01,877 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1394 transitions. Word has length 179 [2020-10-28 03:09:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:09:01,877 INFO L481 AbstractCegarLoop]: Abstraction has 1109 states and 1394 transitions. [2020-10-28 03:09:01,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:09:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1394 transitions. [2020-10-28 03:09:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 03:09:01,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:09:01,882 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 1] [2020-10-28 03:09:01,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 03:09:01,882 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:09:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:09:01,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1299843883, now seen corresponding path program 1 times [2020-10-28 03:09:01,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:09:01,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21512748] [2020-10-28 03:09:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:09:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:01,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:02,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:06,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:06,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 03:09:06,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:09:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 03:09:06,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:09:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-28 03:09:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:09:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,468 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:09:07,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-28 03:09:07,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:09:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:09:07,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:07,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:09:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:07,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 03:09:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 03:09:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:09:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:09:07,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:07,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:07,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 03:09:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:07,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 03:09:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 03:09:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:07,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 03:09:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:09:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 03:09:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:07,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:07,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:07,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 03:09:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:07,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 03:09:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:09:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 03:09:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:09:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:07,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:07,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:08,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:09:08,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:09:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 03:09:08,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:09:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:09:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:09:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 03:09:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:08,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:09:08,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:08,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:09:08,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:08,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:08,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 03:09:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:08,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:09:08,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:08,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:09:08,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:08,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:08,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 03:09:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:08,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 03:09:08,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:08,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:09:08,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:08,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:08,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:09:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-28 03:09:08,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21512748] [2020-10-28 03:09:08,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:09:08,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 03:09:08,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032171378] [2020-10-28 03:09:08,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:09:08,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:09:08,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:09:08,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:09:08,371 INFO L87 Difference]: Start difference. First operand 1109 states and 1394 transitions. Second operand 10 states. [2020-10-28 03:09:12,104 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 03:09:16,893 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:09:17,414 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:09:17,971 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:09:18,521 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:09:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:09:21,818 INFO L93 Difference]: Finished difference Result 1862 states and 2394 transitions. [2020-10-28 03:09:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 03:09:21,819 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-28 03:09:21,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:09:21,826 INFO L225 Difference]: With dead ends: 1862 [2020-10-28 03:09:21,826 INFO L226 Difference]: Without dead ends: 1165 [2020-10-28 03:09:21,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:09:21,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-10-28 03:09:22,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1116. [2020-10-28 03:09:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-28 03:09:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1401 transitions. [2020-10-28 03:09:22,021 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1401 transitions. Word has length 179 [2020-10-28 03:09:22,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:09:22,022 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1401 transitions. [2020-10-28 03:09:22,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:09:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1401 transitions. [2020-10-28 03:09:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 03:09:22,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:09:22,026 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, 1, 1] [2020-10-28 03:09:22,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 03:09:22,026 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:09:22,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:09:22,027 INFO L82 PathProgramCache]: Analyzing trace with hash -432791658, now seen corresponding path program 1 times [2020-10-28 03:09:22,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:09:22,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603905069] [2020-10-28 03:09:22,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:09:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:22,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5087 [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 03:09:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:09:27,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,694 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:09:27,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:09:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:09:27,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:09:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:09:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:27,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:27,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 03:09:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 03:09:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:27,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:09:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:09:27,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:09:27,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:09:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:09:27,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:27,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:27,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:09:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 03:09:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 03:09:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:09:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 03:09:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:28,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:28,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:09:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 03:09:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:28,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:28,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:09:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:09:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 03:09:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 03:09:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:09:28,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:28,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:09:28,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 03:09:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:28,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:28,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 03:09:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:28,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:28,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:28,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:28,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 03:09:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:28,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:28,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:28,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-28 03:09:28,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603905069] [2020-10-28 03:09:28,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:09:28,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 03:09:28,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223166564] [2020-10-28 03:09:28,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:09:28,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:09:28,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:09:28,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:09:28,324 INFO L87 Difference]: Start difference. First operand 1116 states and 1401 transitions. Second operand 10 states. [2020-10-28 03:09:31,918 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 03:09:32,513 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:09:33,675 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 03:09:40,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:09:40,648 INFO L93 Difference]: Finished difference Result 1911 states and 2440 transitions. [2020-10-28 03:09:40,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:09:40,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-28 03:09:40,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:09:40,657 INFO L225 Difference]: With dead ends: 1911 [2020-10-28 03:09:40,657 INFO L226 Difference]: Without dead ends: 1164 [2020-10-28 03:09:40,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-28 03:09:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-28 03:09:40,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1121. [2020-10-28 03:09:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-28 03:09:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1405 transitions. [2020-10-28 03:09:40,891 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1405 transitions. Word has length 179 [2020-10-28 03:09:40,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:09:40,891 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1405 transitions. [2020-10-28 03:09:40,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:09:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1405 transitions. [2020-10-28 03:09:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 03:09:40,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:09:40,895 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, 1, 1] [2020-10-28 03:09:40,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 03:09:40,896 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:09:40,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:09:40,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1313179499, now seen corresponding path program 2 times [2020-10-28 03:09:40,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:09:40,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534736331] [2020-10-28 03:09:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:09:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:43,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 03:09:46,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:09:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5362 [2020-10-28 03:09:46,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:09:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-10-28 03:09:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:09:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,810 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 03:09:46,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:09:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:09:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:46,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:46,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 03:09:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 03:09:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:46,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:09:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:09:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 03:09:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:47,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:47,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 03:09:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:47,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:47,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 03:09:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:47,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:47,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 03:09:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:09:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:47,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:47,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 03:09:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:09:47,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:09:47,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 03:09:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:47,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:09:47,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:47,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:47,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:47,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:09:47,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 03:09:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:47,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:09:47,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:47,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:47,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:09:47,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:09:47,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 03:09:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:09:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:47,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:09:47,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:09:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 03:09:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:47,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:09:47,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:09:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:09:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 03:09:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:09:47,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 03:09:47,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:09:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 03:09:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:09:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:09:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:09:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:09:47,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 03:09:47,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:09:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 03:09:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:09:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:09:47,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:09:47,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:09:47,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:09:47,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:09:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:09:47,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:09:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:09:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:09:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:09:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:09:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 7 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-28 03:09:47,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534736331] [2020-10-28 03:09:47,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:09:47,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 03:09:47,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465883604] [2020-10-28 03:09:47,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 03:09:47,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:09:47,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 03:09:47,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:09:47,675 INFO L87 Difference]: Start difference. First operand 1121 states and 1405 transitions. Second operand 15 states. [2020-10-28 03:10:03,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:10:03,462 INFO L93 Difference]: Finished difference Result 1866 states and 2391 transitions. [2020-10-28 03:10:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:10:03,463 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 179 [2020-10-28 03:10:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:10:03,471 INFO L225 Difference]: With dead ends: 1866 [2020-10-28 03:10:03,471 INFO L226 Difference]: Without dead ends: 1162 [2020-10-28 03:10:03,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2020-10-28 03:10:03,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2020-10-28 03:10:03,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1119. [2020-10-28 03:10:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1119 states. [2020-10-28 03:10:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1402 transitions. [2020-10-28 03:10:03,662 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1402 transitions. Word has length 179 [2020-10-28 03:10:03,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:10:03,663 INFO L481 AbstractCegarLoop]: Abstraction has 1119 states and 1402 transitions. [2020-10-28 03:10:03,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 03:10:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1402 transitions. [2020-10-28 03:10:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 03:10:03,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:10:03,666 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, 1, 1] [2020-10-28 03:10:03,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 03:10:03,666 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:10:03,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:10:03,667 INFO L82 PathProgramCache]: Analyzing trace with hash 689487541, now seen corresponding path program 3 times [2020-10-28 03:10:03,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:10:03,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371396050] [2020-10-28 03:10:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:10:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking...