/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 16:37:40,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:37:40,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:37:40,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:37:40,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:37:40,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:37:40,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:37:40,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:37:40,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:37:40,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:37:40,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:37:40,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:37:40,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:37:40,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:37:40,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:37:40,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:37:40,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:37:40,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:37:40,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:37:40,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:37:40,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:37:40,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:37:40,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:37:40,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:37:40,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:37:40,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:37:40,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:37:40,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:37:40,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:37:40,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:37:40,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:37:40,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:37:40,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:37:40,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:37:40,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:37:40,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:37:40,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:37:40,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:37:40,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:37:40,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:37:40,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:37:40,532 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 [2020-10-29 16:37:40,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:37:40,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:37:40,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:37:40,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:37:40,586 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:37:40,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:37:40,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:37:40,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:37:40,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:37:40,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:37:40,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:37:40,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:37:40,589 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:37:40,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:37:40,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:37:40,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:37:40,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:37:40,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:37:40,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:37:40,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:37:40,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:37:40,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:37:40,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:37:40,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:37:40,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:37:40,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:37:40,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:37:40,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:37:41,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:37:41,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:37:41,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:37:41,087 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:37:41,089 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:37:41,090 INFO L432 ainManager$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 [2020-10-29 16:37:41,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3971864fd/a68d3a8a4eea424e96d4b81804076d01/FLAG5999e26a5 [2020-10-29 16:37:42,117 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:37:42,119 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 [2020-10-29 16:37:42,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3971864fd/a68d3a8a4eea424e96d4b81804076d01/FLAG5999e26a5 [2020-10-29 16:37:42,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3971864fd/a68d3a8a4eea424e96d4b81804076d01 [2020-10-29 16:37:42,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:37:42,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:37:42,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:37:42,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:37:42,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:37:42,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:37:42" (1/1) ... [2020-10-29 16:37:42,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1386747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:42, skipping insertion in model container [2020-10-29 16:37:42,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:37:42" (1/1) ... [2020-10-29 16:37:42,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:37:42,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:37:44,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:37:44,487 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:37:44,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:37:45,300 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:37:45,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45 WrapperNode [2020-10-29 16:37:45,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:37:45,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:37:45,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:37:45,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:37:45,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (1/1) ... [2020-10-29 16:37:45,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:37:45,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:37:45,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:37:45,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:37:45,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (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 [2020-10-29 16:37:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:37:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:37:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 16:37:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:37:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 16:37:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-29 16:37:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-29 16:37:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-29 16:37:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-29 16:37:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-29 16:37:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-29 16:37:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-29 16:37:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-29 16:37:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-29 16:37:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-29 16:37:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-29 16:37:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 16:37:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-29 16:37:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-29 16:37:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 16:37:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2020-10-29 16:37:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2020-10-29 16:37:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2020-10-29 16:37:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2020-10-29 16:37:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2020-10-29 16:37:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2020-10-29 16:37:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2020-10-29 16:37:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2020-10-29 16:37:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-29 16:37:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-29 16:37:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 16:37:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 16:37:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:37:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-29 16:37:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 16:37:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 16:37:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:37:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:37:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-10-29 16:37:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-29 16:37:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-29 16:37:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-29 16:37:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-29 16:37:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:37:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 16:37:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-29 16:37:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-29 16:37:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-29 16:37:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-29 16:37:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 16:37:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 16:37:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 16:37:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-29 16:37:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-29 16:37:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-29 16:37:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 16:37:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:37:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 16:37:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 16:37:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:37:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:37:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:37:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:37:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:37:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:37:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 16:37:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-29 16:37:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-29 16:37:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-29 16:37:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-29 16:37:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-29 16:37:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:37:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-29 16:37:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-29 16:37:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:37:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 16:37:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-29 16:37:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 16:37:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-29 16:37:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-29 16:37:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-29 16:37:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:37:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-29 16:37:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-29 16:37:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 16:37:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 16:37:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:37:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 16:37:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 16:37:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 16:37:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-29 16:37:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-29 16:37:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-29 16:37:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-29 16:37:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-29 16:37:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:37:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 16:37:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-29 16:37:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-29 16:37:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 16:37:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-29 16:37:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-29 16:37:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-29 16:37:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-29 16:37:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-10-29 16:37:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 16:37:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 16:37:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2020-10-29 16:37:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2020-10-29 16:37:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2020-10-29 16:37:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:37:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:37:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:37:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 16:37:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:37:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 16:37:46,919 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:37:46,986 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2020-10-29 16:37:46,986 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2020-10-29 16:37:47,495 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-29 16:37:50,176 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:37:50,228 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-29 16:37:50,228 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-29 16:37:50,722 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:37:50,931 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2020-10-29 16:37:50,932 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2020-10-29 16:37:51,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:37:51,113 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-29 16:37:51,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:37:51 BoogieIcfgContainer [2020-10-29 16:37:51,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:37:51,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:37:51,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:37:51,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:37:51,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:37:42" (1/3) ... [2020-10-29 16:37:51,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7184cfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:37:51, skipping insertion in model container [2020-10-29 16:37:51,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:37:45" (2/3) ... [2020-10-29 16:37:51,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7184cfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:37:51, skipping insertion in model container [2020-10-29 16:37:51,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:37:51" (3/3) ... [2020-10-29 16:37:51,132 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2020-10-29 16:37:51,148 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:37:51,155 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:37:51,169 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:37:51,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:37:51,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:37:51,215 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:37:51,215 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:37:51,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:37:51,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:37:51,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:37:51,216 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:37:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states. [2020-10-29 16:37:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-29 16:37:51,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:37:51,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:37:51,282 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:37:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:37:51,292 INFO L82 PathProgramCache]: Analyzing trace with hash 175509274, now seen corresponding path program 1 times [2020-10-29 16:37:51,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:37:51,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331987563] [2020-10-29 16:37:51,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:37:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:37:51,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:52,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:37:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-29 16:37:56,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:37:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5140 [2020-10-29 16:37:56,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:37:56,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:37:56,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:37:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:37:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 16:37:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 16:37:57,419 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:37:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:37:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:37:57,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:37:57,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:37:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:37:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-29 16:37:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:37:57,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:37:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:37:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:37:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:37:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:37:57,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:37:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:37:57,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:57,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:37:57,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:37:57,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:37:57,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:37:57,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:37:57,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:37:57,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:37:57,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:37:57,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:37:57,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:37:57,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:37:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:37:57,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:57,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:37:57,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:37:57,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:37:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 16:37:57,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:37:57,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:37:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:37:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:37:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:37:57,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:37:57,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:37:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:37:57,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:57,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:37:57,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:37:57,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:37:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:37:57,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:37:57,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:37:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:37:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:37:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:37:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:37:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:37:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:37:57,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:37:57,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:37:57,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:37:57,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:37:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:37:57,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:37:57,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:37:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:37:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:37:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:37:57,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:37:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:37:57,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331987563] [2020-10-29 16:37:57,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:37:57,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 16:37:57,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552534361] [2020-10-29 16:37:58,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 16:37:58,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:37:58,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 16:37:58,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 16:37:58,021 INFO L87 Difference]: Start difference. First operand 885 states. Second operand 4 states. [2020-10-29 16:38:00,568 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-29 16:38:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:38:12,877 INFO L93 Difference]: Finished difference Result 2032 states and 2835 transitions. [2020-10-29 16:38:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 16:38:12,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-29 16:38:12,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:38:12,929 INFO L225 Difference]: With dead ends: 2032 [2020-10-29 16:38:12,929 INFO L226 Difference]: Without dead ends: 1369 [2020-10-29 16:38:12,944 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 [2020-10-29 16:38:12,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-10-29 16:38:13,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1301. [2020-10-29 16:38:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1301 states. [2020-10-29 16:38:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1639 transitions. [2020-10-29 16:38:13,450 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1639 transitions. Word has length 33 [2020-10-29 16:38:13,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:38:13,453 INFO L481 AbstractCegarLoop]: Abstraction has 1301 states and 1639 transitions. [2020-10-29 16:38:13,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 16:38:13,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1639 transitions. [2020-10-29 16:38:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-29 16:38:13,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:38:13,455 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] [2020-10-29 16:38:13,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:38:13,456 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:38:13,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:38:13,457 INFO L82 PathProgramCache]: Analyzing trace with hash 696248035, now seen corresponding path program 1 times [2020-10-29 16:38:13,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:38:13,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422764293] [2020-10-29 16:38:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:38:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:13,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:15,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:15,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 16:38:15,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:38:15,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1785 [2020-10-29 16:38:15,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:15,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:38:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 16:38:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:15,786 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:38:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:38:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:15,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-29 16:38:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:16,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:38:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:16,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:38:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:16,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:16,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:38:16,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:16,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:38:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:16,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:38:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:38:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:16,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:16,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:16,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:38:16,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:16,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 16:38:16,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:16,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:38:16,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:16,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:16,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:16,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:38:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:38:16,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:16,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:16,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:16,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:16,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:16,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:16,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:38:16,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:16,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:16,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:38:16,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422764293] [2020-10-29 16:38:16,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:38:16,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 16:38:16,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984793192] [2020-10-29 16:38:16,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 16:38:16,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:38:16,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 16:38:16,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 16:38:16,359 INFO L87 Difference]: Start difference. First operand 1301 states and 1639 transitions. Second operand 4 states. [2020-10-29 16:38:18,881 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-29 16:38:24,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:38:24,549 INFO L93 Difference]: Finished difference Result 1368 states and 1742 transitions. [2020-10-29 16:38:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 16:38:24,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-29 16:38:24,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:38:24,561 INFO L225 Difference]: With dead ends: 1368 [2020-10-29 16:38:24,561 INFO L226 Difference]: Without dead ends: 1353 [2020-10-29 16:38:24,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:38:24,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-10-29 16:38:24,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1290. [2020-10-29 16:38:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1290 states. [2020-10-29 16:38:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1622 transitions. [2020-10-29 16:38:24,796 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1622 transitions. Word has length 34 [2020-10-29 16:38:24,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:38:24,797 INFO L481 AbstractCegarLoop]: Abstraction has 1290 states and 1622 transitions. [2020-10-29 16:38:24,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 16:38:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1622 transitions. [2020-10-29 16:38:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 16:38:24,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:38:24,804 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] [2020-10-29 16:38:24,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:38:24,804 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:38:24,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:38:24,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1998336781, now seen corresponding path program 1 times [2020-10-29 16:38:24,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:38:24,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193626954] [2020-10-29 16:38:24,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:38:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:24,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:29,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 16:38:29,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:38:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-29 16:38:29,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:29,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 16:38:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-29 16:38:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 16:38:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:38:30,659 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:38:30,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:38:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:30,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:30,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:30,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:30,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:30,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 16:38:30,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:30,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:30,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:38:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:30,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:30,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:30,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:38:30,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:30,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:38:30,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:30,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:30,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:38:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:30,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:30,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:30,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:38:30,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:30,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:38:30,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:30,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:38:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:30,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:30,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:30,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:38:30,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:30,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:38:30,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:30,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:30,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:30,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:30,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:30,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:30,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:38:30,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:30,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:30,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:30,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 16:38:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:31,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:31,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 16:38:31,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 16:38:31,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:31,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 16:38:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:38:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:31,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:31,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:38:31,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 16:38:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:31,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:38:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:38:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:31,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:31,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:31,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:31,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:38:31,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:31,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 16:38:31,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:31,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:38:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:38:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:31,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 16:38:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:31,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:31,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:31,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:38:31,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:31,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 16:38:31,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:31,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:38:31,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:31,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:31,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:38:31,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:31,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:31,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:38:31,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 16:38:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:31,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:31,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:31,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:31,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:38:31,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:31,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:38:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:31,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:38:31,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193626954] [2020-10-29 16:38:31,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:38:31,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 16:38:31,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700053338] [2020-10-29 16:38:31,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 16:38:31,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:38:31,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 16:38:31,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 16:38:31,317 INFO L87 Difference]: Start difference. First operand 1290 states and 1622 transitions. Second operand 11 states. [2020-10-29 16:38:34,867 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:38:35,465 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-29 16:38:36,053 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-29 16:38:36,636 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:38:37,166 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:38:37,744 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:38:38,257 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:38:47,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:38:47,291 INFO L93 Difference]: Finished difference Result 2637 states and 3362 transitions. [2020-10-29 16:38:47,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 16:38:47,292 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-29 16:38:47,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:38:47,305 INFO L225 Difference]: With dead ends: 2637 [2020-10-29 16:38:47,306 INFO L226 Difference]: Without dead ends: 1374 [2020-10-29 16:38:47,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-10-29 16:38:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-10-29 16:38:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1310. [2020-10-29 16:38:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-29 16:38:47,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1646 transitions. [2020-10-29 16:38:47,551 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1646 transitions. Word has length 84 [2020-10-29 16:38:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:38:47,554 INFO L481 AbstractCegarLoop]: Abstraction has 1310 states and 1646 transitions. [2020-10-29 16:38:47,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 16:38:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1646 transitions. [2020-10-29 16:38:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 16:38:47,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:38:47,562 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] [2020-10-29 16:38:47,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:38:47,562 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:38:47,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:38:47,563 INFO L82 PathProgramCache]: Analyzing trace with hash -571149618, now seen corresponding path program 1 times [2020-10-29 16:38:47,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:38:47,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648858173] [2020-10-29 16:38:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:38:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:48,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:48,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 16:38:48,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-29 16:38:48,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:48,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 16:38:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 16:38:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:48,748 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:38:48,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:38:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:48,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:48,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:48,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 16:38:48,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:48,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:38:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:48,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:48,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:48,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:38:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:38:48,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:48,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:48,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:38:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:48,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:48,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:48,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:38:48,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:38:48,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:48,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:48,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:48,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:48,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:48,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:38:48,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:38:48,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:48,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:48,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:48,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:48,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:48,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:48,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:38:48,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:48,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:48,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 16:38:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:48,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:49,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:49,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 16:38:49,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:49,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:38:49,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:49,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:49,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:49,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 16:38:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:49,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:49,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:49,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:49,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:38:49,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:38:49,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:49,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:49,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:49,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:49,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:49,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:38:49,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:49,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:38:49,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:49,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:49,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 16:38:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:49,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:49,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:49,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:38:49,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:38:49,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:49,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 16:38:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:49,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:49,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:49,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:49,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:38:49,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:49,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:49,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 16:38:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:49,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:49,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:49,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:38:49,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:49,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:38:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:38:49,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648858173] [2020-10-29 16:38:49,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:38:49,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:38:49,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501438563] [2020-10-29 16:38:49,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:38:49,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:38:49,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:38:49,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:38:49,118 INFO L87 Difference]: Start difference. First operand 1310 states and 1646 transitions. Second operand 5 states. [2020-10-29 16:38:59,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:38:59,104 INFO L93 Difference]: Finished difference Result 2725 states and 3502 transitions. [2020-10-29 16:38:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:38:59,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-10-29 16:38:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:38:59,123 INFO L225 Difference]: With dead ends: 2725 [2020-10-29 16:38:59,123 INFO L226 Difference]: Without dead ends: 1442 [2020-10-29 16:38:59,130 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 [2020-10-29 16:38:59,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-29 16:38:59,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1382. [2020-10-29 16:38:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2020-10-29 16:38:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1771 transitions. [2020-10-29 16:38:59,344 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1771 transitions. Word has length 84 [2020-10-29 16:38:59,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:38:59,345 INFO L481 AbstractCegarLoop]: Abstraction has 1382 states and 1771 transitions. [2020-10-29 16:38:59,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:38:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1771 transitions. [2020-10-29 16:38:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-29 16:38:59,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:38:59,350 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] [2020-10-29 16:38:59,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 16:38:59,350 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:38:59,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:38:59,350 INFO L82 PathProgramCache]: Analyzing trace with hash -554173784, now seen corresponding path program 1 times [2020-10-29 16:38:59,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:38:59,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296619794] [2020-10-29 16:38:59,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:38:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:01,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:01,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 16:39:01,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1765 [2020-10-29 16:39:01,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:01,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:39:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-29 16:39:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 16:39:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:01,785 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:39:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:01,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:01,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:01,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:01,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 16:39:01,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:01,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:01,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:01,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:39:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:39:02,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:02,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:39:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:02,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:39:02,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:02,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:39:02,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:02,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:02,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 16:39:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 16:39:02,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 16:39:02,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:39:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:39:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:02,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:02,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:39:02,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:39:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:02,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:39:02,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 16:39:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:02,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:02,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:39:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:39:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 16:39:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 16:39:02,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:39:02,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 16:39:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:39:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:02,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:02,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:02,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:39:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 16:39:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:02,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:39:02,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 16:39:02,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:02,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:02,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 16:39:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:02,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:02,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:02,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:02,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:02,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:02,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:02,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:02,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:39:02,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:02,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:39:02,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296619794] [2020-10-29 16:39:02,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:39:02,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 16:39:02,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821517261] [2020-10-29 16:39:02,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 16:39:02,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:39:02,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 16:39:02,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:39:02,528 INFO L87 Difference]: Start difference. First operand 1382 states and 1771 transitions. Second operand 8 states. [2020-10-29 16:39:03,008 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-29 16:39:06,617 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-29 16:39:16,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:39:16,859 INFO L93 Difference]: Finished difference Result 2898 states and 3785 transitions. [2020-10-29 16:39:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 16:39:16,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-10-29 16:39:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:39:16,872 INFO L225 Difference]: With dead ends: 2898 [2020-10-29 16:39:16,872 INFO L226 Difference]: Without dead ends: 1529 [2020-10-29 16:39:16,879 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 [2020-10-29 16:39:16,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-10-29 16:39:17,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1384. [2020-10-29 16:39:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2020-10-29 16:39:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1768 transitions. [2020-10-29 16:39:17,135 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1768 transitions. Word has length 118 [2020-10-29 16:39:17,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:39:17,135 INFO L481 AbstractCegarLoop]: Abstraction has 1384 states and 1768 transitions. [2020-10-29 16:39:17,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 16:39:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1768 transitions. [2020-10-29 16:39:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-29 16:39:17,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:39:17,139 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] [2020-10-29 16:39:17,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 16:39:17,139 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:39:17,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:39:17,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1198616947, now seen corresponding path program 1 times [2020-10-29 16:39:17,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:39:17,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618257468] [2020-10-29 16:39:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:39:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:17,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:18,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:19,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:22,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:22,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 16:39:22,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:39:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-29 16:39:22,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:22,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 16:39:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-29 16:39:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 16:39:22,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:22,901 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:39:22,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:22,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 16:39:23,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:39:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:39:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:23,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:39:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:23,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:23,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:23,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:39:23,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 16:39:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 16:39:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 16:39:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:39:23,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:39:23,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 16:39:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:23,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 16:39:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:23,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 16:39:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:23,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 16:39:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:23,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 16:39:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:23,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 16:39:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:23,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 16:39:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:23,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 16:39:23,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:39:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 16:39:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:23,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:39:23,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:23,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 16:39:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:23,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 16:39:23,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:39:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:39:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:23,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:23,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 16:39:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 16:39:23,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:39:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:39:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:23,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:23,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:23,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 16:39:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:23,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 16:39:23,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:39:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:39:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:23,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:39:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:23,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:23,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-29 16:39:23,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618257468] [2020-10-29 16:39:23,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 16:39:23,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 16:39:23,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156251686] [2020-10-29 16:39:23,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 16:39:23,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:39:23,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 16:39:23,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 16:39:23,786 INFO L87 Difference]: Start difference. First operand 1384 states and 1768 transitions. Second operand 11 states. [2020-10-29 16:39:32,074 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-29 16:39:33,502 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:39:35,138 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:39:35,663 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-29 16:39:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:39:37,574 INFO L93 Difference]: Finished difference Result 1525 states and 1992 transitions. [2020-10-29 16:39:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 16:39:37,576 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-10-29 16:39:37,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:39:37,588 INFO L225 Difference]: With dead ends: 1525 [2020-10-29 16:39:37,588 INFO L226 Difference]: Without dead ends: 1459 [2020-10-29 16:39:37,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-29 16:39:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2020-10-29 16:39:37,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1382. [2020-10-29 16:39:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2020-10-29 16:39:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1764 transitions. [2020-10-29 16:39:37,785 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1764 transitions. Word has length 178 [2020-10-29 16:39:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:39:37,785 INFO L481 AbstractCegarLoop]: Abstraction has 1382 states and 1764 transitions. [2020-10-29 16:39:37,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 16:39:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1764 transitions. [2020-10-29 16:39:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-29 16:39:37,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:39:37,790 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] [2020-10-29 16:39:37,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 16:39:37,790 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:39:37,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:39:37,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1806693810, now seen corresponding path program 1 times [2020-10-29 16:39:37,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:39:37,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318439342] [2020-10-29 16:39:37,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:39:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:37,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:42,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:42,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 16:39:42,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:39:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-29 16:39:42,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:42,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:39:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-29 16:39:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:39:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:39:43,495 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:39:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 16:39:43,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:39:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:39:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:39:43,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:39:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:43,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:39:43,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:43,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:43,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 16:39:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 16:39:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:39:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 16:39:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:39:43,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:39:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:39:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:43,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 16:39:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:43,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 16:39:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 16:39:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 16:39:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 16:39:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:43,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 16:39:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:43,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:43,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:43,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:39:43,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:43,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:39:43,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:43,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 16:39:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:44,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 16:39:44,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:39:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 16:39:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:39:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:44,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 16:39:44,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:39:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 16:39:44,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:44,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:39:44,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:39:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:39:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 16:39:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:44,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:39:44,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 16:39:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:44,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:44,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:44,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:44,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 16:39:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:44,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:39:44,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 16:39:44,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:44,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:39:44,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:44,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:44,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 16:39:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:39:44,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:39:44,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 16:39:44,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:39:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:39:44,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:39:44,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:39:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:44,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:44,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:39:44,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:39:44,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:39:44,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:39:44,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:39:44,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:39:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:39:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:39:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:39:44,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:39:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-29 16:39:44,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318439342] [2020-10-29 16:39:44,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 16:39:44,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 16:39:44,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034721065] [2020-10-29 16:39:44,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 16:39:44,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:39:44,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 16:39:44,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:39:44,478 INFO L87 Difference]: Start difference. First operand 1382 states and 1764 transitions. Second operand 10 states. [2020-10-29 16:39:48,048 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:39:52,641 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:39:53,134 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-29 16:39:53,696 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-29 16:39:54,194 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-29 16:39:57,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:39:57,853 INFO L93 Difference]: Finished difference Result 2148 states and 2799 transitions. [2020-10-29 16:39:57,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 16:39:57,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-10-29 16:39:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:39:57,864 INFO L225 Difference]: With dead ends: 2148 [2020-10-29 16:39:57,864 INFO L226 Difference]: Without dead ends: 1445 [2020-10-29 16:39:57,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:39:57,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-10-29 16:39:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1392. [2020-10-29 16:39:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2020-10-29 16:39:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1774 transitions. [2020-10-29 16:39:58,157 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1774 transitions. Word has length 178 [2020-10-29 16:39:58,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:39:58,158 INFO L481 AbstractCegarLoop]: Abstraction has 1392 states and 1774 transitions. [2020-10-29 16:39:58,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 16:39:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1774 transitions. [2020-10-29 16:39:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-29 16:39:58,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:39:58,162 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] [2020-10-29 16:39:58,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 16:39:58,162 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:39:58,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:39:58,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1343262093, now seen corresponding path program 1 times [2020-10-29 16:39:58,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:39:58,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272522798] [2020-10-29 16:39:58,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:39:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:39:58,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:39:58,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:03,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:03,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 16:40:03,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:40:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 16:40:03,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:03,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:40:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-29 16:40:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:40:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:03,749 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:40:03,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:03,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:03,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:03,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:03,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 16:40:03,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:03,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:40:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:03,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:03,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:03,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:40:03,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:03,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:03,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:03,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:40:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:04,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:04,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:04,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:04,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 16:40:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:04,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:04,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 16:40:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:04,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 16:40:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:40:04,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:04,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:04,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:04,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 16:40:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:04,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 16:40:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:04,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 16:40:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:04,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 16:40:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:40:04,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 16:40:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:40:04,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 16:40:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:04,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:40:04,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 16:40:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:40:04,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:04,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:04,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 16:40:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:04,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:40:04,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 16:40:04,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:04,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:04,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:04,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:04,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 16:40:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 16:40:04,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:40:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 16:40:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:40:04,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:40:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:04,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 16:40:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:04,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:40:04,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 16:40:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:40:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 16:40:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:40:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:04,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 16:40:04,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:40:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 16:40:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:04,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:04,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:04,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:04,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:04,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:40:04,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:04,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:40:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-29 16:40:04,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272522798] [2020-10-29 16:40:04,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:40:04,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 16:40:04,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674877182] [2020-10-29 16:40:04,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 16:40:04,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:40:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 16:40:04,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:40:04,690 INFO L87 Difference]: Start difference. First operand 1392 states and 1774 transitions. Second operand 10 states. [2020-10-29 16:40:14,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:40:14,836 INFO L93 Difference]: Finished difference Result 2806 states and 3627 transitions. [2020-10-29 16:40:14,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 16:40:14,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-10-29 16:40:14,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:40:14,848 INFO L225 Difference]: With dead ends: 2806 [2020-10-29 16:40:14,848 INFO L226 Difference]: Without dead ends: 1441 [2020-10-29 16:40:14,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:40:14,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-10-29 16:40:15,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1390. [2020-10-29 16:40:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2020-10-29 16:40:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1770 transitions. [2020-10-29 16:40:15,041 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1770 transitions. Word has length 178 [2020-10-29 16:40:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:40:15,042 INFO L481 AbstractCegarLoop]: Abstraction has 1390 states and 1770 transitions. [2020-10-29 16:40:15,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 16:40:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1770 transitions. [2020-10-29 16:40:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-29 16:40:15,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:40:15,046 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] [2020-10-29 16:40:15,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 16:40:15,047 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:40:15,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:40:15,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1350949011, now seen corresponding path program 2 times [2020-10-29 16:40:15,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:40:15,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699781009] [2020-10-29 16:40:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:40:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:16,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:16,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 16:40:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 16:40:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,742 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:40:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:20,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:40:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:40:20,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:20,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:40:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:40:20,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:20,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:20,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:20,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 16:40:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:20,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:20,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:20,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 16:40:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:20,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:20,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:20,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:20,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:20,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:20,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:21,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 16:40:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:40:21,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:40:21,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:21,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 16:40:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:21,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:21,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 16:40:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:21,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 16:40:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:21,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 16:40:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:21,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 16:40:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:21,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 16:40:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:21,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:40:21,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 16:40:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:21,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 16:40:21,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:40:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 16:40:21,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:21,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:40:21,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 16:40:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:21,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:40:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:21,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:21,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:21,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 16:40:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:21,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:40:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:40:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:21,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:21,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 16:40:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:21,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:40:21,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:40:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:21,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:21,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:21,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:21,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:21,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:21,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:21,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:21,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-29 16:40:21,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699781009] [2020-10-29 16:40:21,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 16:40:21,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 16:40:21,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267364767] [2020-10-29 16:40:21,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 16:40:21,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:40:21,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 16:40:21,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-29 16:40:21,470 INFO L87 Difference]: Start difference. First operand 1390 states and 1770 transitions. Second operand 9 states. [2020-10-29 16:40:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:40:31,507 INFO L93 Difference]: Finished difference Result 1495 states and 1928 transitions. [2020-10-29 16:40:31,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 16:40:31,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2020-10-29 16:40:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:40:31,518 INFO L225 Difference]: With dead ends: 1495 [2020-10-29 16:40:31,518 INFO L226 Difference]: Without dead ends: 1450 [2020-10-29 16:40:31,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:40:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2020-10-29 16:40:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1390. [2020-10-29 16:40:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2020-10-29 16:40:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1769 transitions. [2020-10-29 16:40:31,745 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1769 transitions. Word has length 178 [2020-10-29 16:40:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:40:31,745 INFO L481 AbstractCegarLoop]: Abstraction has 1390 states and 1769 transitions. [2020-10-29 16:40:31,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 16:40:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1769 transitions. [2020-10-29 16:40:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-29 16:40:31,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:40:31,750 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] [2020-10-29 16:40:31,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 16:40:31,750 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:40:31,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:40:31,750 INFO L82 PathProgramCache]: Analyzing trace with hash -432791658, now seen corresponding path program 1 times [2020-10-29 16:40:31,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:40:31,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475439120] [2020-10-29 16:40:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:40:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:31,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:32,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:36,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:36,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-29 16:40:36,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:40:36,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-29 16:40:36,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:36,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:36,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 16:40:36,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:40:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-29 16:40:36,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:37,565 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-29 16:40:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:37,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:37,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:37,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-29 16:40:37,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:37,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:40:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:37,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:40:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:37,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:37,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:37,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:40:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:37,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:37,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:40:37,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:40:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:37,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:37,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:37,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:40:37,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:37,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:40:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:37,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:37,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:37,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:37,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:37,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:37,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:37,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:37,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:37,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:37,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:37,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:37,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:37,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:37,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 16:40:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:37,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:37,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:37,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:40:37,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:37,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 16:40:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:40:38,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 16:40:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:40:38,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:40:38,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 16:40:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:40:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:38,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:38,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:38,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:38,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 16:40:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:40:38,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 16:40:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 16:40:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:38,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 16:40:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:38,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 16:40:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:38,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 16:40:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:40:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:40:38,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:40:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 16:40:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:38,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 16:40:38,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:40:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 16:40:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 16:40:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:38,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:40:38,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:40:38,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:38,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:38,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 16:40:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:38,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 16:40:38,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:40:38,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 16:40:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 16:40:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:40:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:40:38,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:38,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:40:38,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 16:40:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 16:40:38,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:40:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 16:40:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 16:40:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:40:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:40:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:38,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:40:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 16:40:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 16:40:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:40:38,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:40:38,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:40:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:40:38,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:40:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:40:38,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:40:38,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:40:38,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:40:38,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:40:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:40:38,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:40:38,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:40:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:40:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:40:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:40:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:40:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-29 16:40:38,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475439120] [2020-10-29 16:40:38,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 16:40:38,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 16:40:38,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82120784] [2020-10-29 16:40:38,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 16:40:38,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:40:38,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 16:40:38,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:40:38,689 INFO L87 Difference]: Start difference. First operand 1390 states and 1769 transitions. Second operand 10 states. [2020-10-29 16:40:41,226 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-29 16:40:45,416 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-29 16:40:48,322 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-10-29 16:41:00,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:41:00,236 INFO L93 Difference]: Finished difference Result 2585 states and 3412 transitions. [2020-10-29 16:41:00,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 16:41:00,237 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-29 16:41:00,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:41:00,254 INFO L225 Difference]: With dead ends: 2585 [2020-10-29 16:41:00,254 INFO L226 Difference]: Without dead ends: 2580 [2020-10-29 16:41:00,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-29 16:41:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2020-10-29 16:41:00,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2484. [2020-10-29 16:41:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2484 states. [2020-10-29 16:41:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 3279 transitions. [2020-10-29 16:41:00,590 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 3279 transitions. Word has length 179 [2020-10-29 16:41:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:41:00,590 INFO L481 AbstractCegarLoop]: Abstraction has 2484 states and 3279 transitions. [2020-10-29 16:41:00,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 16:41:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 3279 transitions. [2020-10-29 16:41:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-29 16:41:00,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:41:00,595 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:41:00,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 16:41:00,595 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:41:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:41:00,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1272198996, now seen corresponding path program 1 times [2020-10-29 16:41:00,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:41:00,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583440683] [2020-10-29 16:41:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:41:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:01,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:02,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking...