/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 12:00:15,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 12:00:15,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 12:00:15,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 12:00:15,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 12:00:15,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 12:00:15,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 12:00:15,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 12:00:15,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 12:00:15,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 12:00:15,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 12:00:15,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 12:00:15,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 12:00:15,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 12:00:15,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 12:00:15,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 12:00:15,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 12:00:15,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 12:00:15,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 12:00:15,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 12:00:15,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 12:00:15,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 12:00:15,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 12:00:15,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 12:00:15,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 12:00:15,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 12:00:15,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 12:00:15,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 12:00:15,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 12:00:15,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 12:00:15,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 12:00:15,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 12:00:15,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 12:00:15,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 12:00:15,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 12:00:15,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 12:00:15,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 12:00:15,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 12:00:15,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 12:00:15,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 12:00:15,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 12:00:15,753 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 [2020-10-15 12:00:15,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 12:00:15,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 12:00:15,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 12:00:15,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 12:00:15,800 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 12:00:15,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 12:00:15,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 12:00:15,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 12:00:15,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 12:00:15,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 12:00:15,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 12:00:15,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 12:00:15,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 12:00:15,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 12:00:15,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 12:00:15,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 12:00:15,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 12:00:15,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 12:00:15,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 12:00:15,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 12:00:15,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 12:00:15,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 12:00:15,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 12:00:15,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 12:00:15,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 12:00:15,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 12:00:15,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 12:00:15,804 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 12:00:16,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 12:00:16,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 12:00:16,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 12:00:16,123 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 12:00:16,124 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 12:00:16,124 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-15 12:00:16,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e94c16e34/4338308f4ab94669abf0c1bf067a2794/FLAGad5fc4b5e [2020-10-15 12:00:16,904 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 12:00:16,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-15 12:00:16,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e94c16e34/4338308f4ab94669abf0c1bf067a2794/FLAGad5fc4b5e [2020-10-15 12:00:16,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e94c16e34/4338308f4ab94669abf0c1bf067a2794 [2020-10-15 12:00:16,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 12:00:17,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 12:00:17,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 12:00:17,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 12:00:17,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 12:00:17,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:00:16" (1/1) ... [2020-10-15 12:00:17,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd2fa81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:17, skipping insertion in model container [2020-10-15 12:00:17,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:00:16" (1/1) ... [2020-10-15 12:00:17,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 12:00:17,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 12:00:18,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 12:00:18,771 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 12:00:19,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 12:00:19,343 INFO L208 MainTranslator]: Completed translation [2020-10-15 12:00:19,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19 WrapperNode [2020-10-15 12:00:19,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 12:00:19,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 12:00:19,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 12:00:19,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 12:00:19,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (1/1) ... [2020-10-15 12:00:19,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 12:00:19,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 12:00:19,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 12:00:19,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 12:00:19,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (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 [2020-10-15 12:00:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 12:00:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 12:00:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 12:00:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 12:00:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-15 12:00:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-15 12:00:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 12:00:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 12:00:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 12:00:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 12:00:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure numa_node_id [2020-10-15 12:00:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gfp_zonelist [2020-10-15 12:00:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure node_zonelist [2020-10-15 12:00:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_pages [2020-10-15 12:00:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2020-10-15 12:00:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 12:00:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 12:00:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 12:00:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 12:00:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-15 12:00:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-15 12:00:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 12:00:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 12:00:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 12:00:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 12:00:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-15 12:00:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-15 12:00:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2020-10-15 12:00:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-15 12:00:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-15 12:00:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_alloc_pages [2020-10-15 12:00:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_alloc_page [2020-10-15 12:00:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-15 12:00:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 12:00:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-15 12:00:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-15 12:00:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-15 12:00:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-15 12:00:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-15 12:00:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_xmit [2020-10-15 12:00:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2020-10-15 12:00:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_submit [2020-10-15 12:00:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_open [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_close [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_ioctl [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_set_mtu [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_setup [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_probe [2020-10-15 12:00:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_disconnect [2020-10-15 12:00:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_driver_init [2020-10-15 12:00:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_driver_exit [2020-10-15 12:00:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-15 12:00:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-15 12:00:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 12:00:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 12:00:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2020-10-15 12:00:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2020-10-15 12:00:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2020-10-15 12:00:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-15 12:00:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2020-10-15 12:00:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2020-10-15 12:00:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-15 12:00:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2020-10-15 12:00:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_11 [2020-10-15 12:00:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2020-10-15 12:00:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2020-10-15 12:00:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_15 [2020-10-15 12:00:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_16 [2020-10-15 12:00:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_17 [2020-10-15 12:00:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_18 [2020-10-15 12:00:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 12:00:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-15 12:00:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-15 12:00:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-15 12:00:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-15 12:00:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-15 12:00:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-15 12:00:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-15 12:00:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-15 12:00:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_pages_nodemask [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-15 12:00:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-15 12:00:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-15 12:00:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 12:00:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-15 12:00:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 12:00:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 12:00:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 12:00:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 12:00:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 12:00:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 12:00:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 12:00:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 12:00:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 12:00:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 12:00:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 12:00:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 12:00:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 12:00:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-10-15 12:00:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure numa_node_id [2020-10-15 12:00:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure gfp_zonelist [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure node_zonelist [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_pages_nodemask [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_pages [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_15 [2020-10-15 12:00:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_11 [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_17 [2020-10-15 12:00:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_18 [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2020-10-15 12:00:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-15 12:00:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-15 12:00:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-15 12:00:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-15 12:00:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-15 12:00:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-15 12:00:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-15 12:00:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 12:00:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 12:00:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-15 12:00:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-15 12:00:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2020-10-15 12:00:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 12:00:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2020-10-15 12:00:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 12:00:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 12:00:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_alloc_pages [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_alloc_page [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 12:00:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-15 12:00:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2020-10-15 12:00:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_16 [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_xmit [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure rx_submit [2020-10-15 12:00:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_close [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_open [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_ioctl [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_set_mtu [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_setup [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_probe [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_disconnect [2020-10-15 12:00:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_driver_init [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_driver_exit [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 12:00:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-15 12:00:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-15 12:00:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 12:00:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-15 12:00:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-15 12:00:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-15 12:00:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 12:00:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 12:00:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 12:00:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 12:00:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 12:00:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 12:00:20,832 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 12:00:24,082 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 12:00:24,082 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 12:00:24,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:00:24 BoogieIcfgContainer [2020-10-15 12:00:24,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 12:00:24,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 12:00:24,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 12:00:24,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 12:00:24,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:00:16" (1/3) ... [2020-10-15 12:00:24,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23250ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:00:24, skipping insertion in model container [2020-10-15 12:00:24,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:00:19" (2/3) ... [2020-10-15 12:00:24,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23250ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:00:24, skipping insertion in model container [2020-10-15 12:00:24,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:00:24" (3/3) ... [2020-10-15 12:00:24,102 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-15 12:00:24,113 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 12:00:24,121 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 12:00:24,135 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 12:00:24,162 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 12:00:24,162 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 12:00:24,162 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 12:00:24,163 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 12:00:24,163 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 12:00:24,163 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 12:00:24,163 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 12:00:24,163 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 12:00:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states. [2020-10-15 12:00:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-15 12:00:24,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 12:00:24,214 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 12:00:24,214 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 12:00:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 12:00:24,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1589249156, now seen corresponding path program 1 times [2020-10-15 12:00:24,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 12:00:24,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845487146] [2020-10-15 12:00:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 12:00:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:24,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:25,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:29,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:29,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 12:00:29,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 12:00:29,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5088 [2020-10-15 12:00:29,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:29,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 12:00:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 12:00:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 12:00:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 12:00:30,719 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-15 12:00:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:00:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:30,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:30,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:30,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:00:30,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-15 12:00:30,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:30,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:30,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:00:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:30,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:30,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:00:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:00:30,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 12:00:30,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:30,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 12:00:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:00:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:00:31,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 12:00:31,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 12:00:31,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:00:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:00:31,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 12:00:31,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 12:00:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 12:00:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:00:31,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:00:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 12:00:31,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 12:00:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:00:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:00:31,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:00:31,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 12:00:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:00:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:00:31,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 12:00:31,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 12:00:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 12:00:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 12:00:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:00:31,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:00:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 12:00:31,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 12:00:31,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:00:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:00:31,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:00:31,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:00:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:00:31,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 12:00:31,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 12:00:31,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 12:00:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 12:00:31,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:00:31,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 12:00:31,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 12:00:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 12:00:31,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 12:00:31,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 12:00:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:00:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 12:00:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:00:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:00:31,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 12:00:31,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 12:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 12:00:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 12:00:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 12:00:31,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:00:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-15 12:00:31,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 12:00:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:00:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 12:00:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 12:00:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:00:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:00:31,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 12:00:31,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 12:00:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 12:00:31,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 12:00:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:00:31,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 12:00:31,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 12:00:31,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:00:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 12:00:31,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:00:31,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:00:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:31,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:31,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:00:31,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:00:31,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:00:31,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:00:31,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:00:31,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:00:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:00:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:00:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:00:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:00:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-15 12:00:31,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845487146] [2020-10-15 12:00:31,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 12:00:31,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 12:00:31,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364513177] [2020-10-15 12:00:31,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 12:00:31,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 12:00:32,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 12:00:32,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-15 12:00:32,016 INFO L87 Difference]: Start difference. First operand 877 states. Second operand 11 states. [2020-10-15 12:00:39,534 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2020-10-15 12:00:40,210 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-15 12:00:40,891 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-15 12:00:41,774 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-15 12:00:59,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 12:00:59,049 INFO L93 Difference]: Finished difference Result 1914 states and 2511 transitions. [2020-10-15 12:00:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 12:00:59,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-10-15 12:00:59,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 12:00:59,078 INFO L225 Difference]: With dead ends: 1914 [2020-10-15 12:00:59,078 INFO L226 Difference]: Without dead ends: 1053 [2020-10-15 12:00:59,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-15 12:00:59,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-10-15 12:00:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 831. [2020-10-15 12:00:59,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-15 12:00:59,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1040 transitions. [2020-10-15 12:00:59,315 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1040 transitions. Word has length 102 [2020-10-15 12:00:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 12:00:59,316 INFO L479 AbstractCegarLoop]: Abstraction has 831 states and 1040 transitions. [2020-10-15 12:00:59,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 12:00:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1040 transitions. [2020-10-15 12:00:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-15 12:00:59,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 12:00:59,321 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 12:00:59,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 12:00:59,322 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 12:00:59,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 12:00:59,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1931027484, now seen corresponding path program 1 times [2020-10-15 12:00:59,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 12:00:59,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271178022] [2020-10-15 12:00:59,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 12:00:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:59,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:00:59,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:04,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:04,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-15 12:01:04,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 12:01:04,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-15 12:01:04,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:04,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 12:01:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-15 12:01:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 12:01:04,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:01:05,291 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-15 12:01:05,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:01:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:05,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 12:01:05,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:01:05,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:01:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 12:01:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:01:05,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:05,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:01:05,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:01:05,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 12:01:05,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 12:01:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:01:05,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 12:01:05,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:05,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 12:01:05,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:01:05,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:01:05,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 12:01:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:01:05,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 12:01:05,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:05,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 12:01:05,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:01:05,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 12:01:05,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 12:01:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 12:01:05,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:01:05,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 12:01:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:05,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:05,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 12:01:05,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:01:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 12:01:05,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:05,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:05,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 12:01:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:01:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 12:01:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:05,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:06,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:06,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 12:01:06,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:06,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 12:01:06,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:06,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 12:01:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 12:01:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 12:01:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:06,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:06,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:06,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 12:01:06,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:06,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 12:01:06,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:06,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:06,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 12:01:06,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:01:06,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 12:01:06,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:06,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:06,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:06,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:06,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 12:01:06,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-15 12:01:06,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:06,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 12:01:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 12:01:06,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:06,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 12:01:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:06,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:06,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:06,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:01:06,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:06,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:01:06,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:06,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 12:01:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:06,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:01:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:06,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:06,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:06,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 12:01:06,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 12:01:06,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:06,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:06,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:06,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:06,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:06,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:06,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 12:01:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:06,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-15 12:01:06,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271178022] [2020-10-15 12:01:06,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 12:01:06,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 12:01:06,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802027151] [2020-10-15 12:01:06,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 12:01:06,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 12:01:06,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 12:01:06,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-15 12:01:06,512 INFO L87 Difference]: Start difference. First operand 831 states and 1040 transitions. Second operand 14 states. [2020-10-15 12:01:18,928 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 342 DAG size of output: 329 [2020-10-15 12:01:19,630 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2020-10-15 12:01:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 12:01:40,276 INFO L93 Difference]: Finished difference Result 1874 states and 2385 transitions. [2020-10-15 12:01:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 12:01:40,277 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 104 [2020-10-15 12:01:40,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 12:01:40,289 INFO L225 Difference]: With dead ends: 1874 [2020-10-15 12:01:40,291 INFO L226 Difference]: Without dead ends: 1054 [2020-10-15 12:01:40,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2020-10-15 12:01:40,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2020-10-15 12:01:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 832. [2020-10-15 12:01:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-15 12:01:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1041 transitions. [2020-10-15 12:01:40,463 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1041 transitions. Word has length 104 [2020-10-15 12:01:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 12:01:40,464 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1041 transitions. [2020-10-15 12:01:40,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 12:01:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1041 transitions. [2020-10-15 12:01:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 12:01:40,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 12:01:40,467 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 12:01:40,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 12:01:40,468 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 12:01:40,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 12:01:40,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1596859190, now seen corresponding path program 2 times [2020-10-15 12:01:40,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 12:01:40,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069674479] [2020-10-15 12:01:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 12:01:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:40,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:40,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:45,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-15 12:01:45,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 12:01:45,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5119 [2020-10-15 12:01:45,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:45,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 12:01:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-15 12:01:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 12:01:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:01:46,358 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-15 12:01:46,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:01:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:46,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 12:01:46,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:01:46,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 12:01:46,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:46,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:01:46,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:01:46,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 12:01:46,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 12:01:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:01:46,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 12:01:46,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:46,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 12:01:46,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:01:46,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 12:01:46,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 12:01:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:01:46,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 12:01:46,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:46,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 12:01:46,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:01:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:01:46,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:01:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 12:01:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 12:01:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:01:46,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:46,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 12:01:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:46,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:46,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 12:01:46,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:01:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-15 12:01:46,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:46,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 12:01:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:01:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 12:01:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:46,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:46,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:47,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:47,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 12:01:47,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:47,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 12:01:47,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:47,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 12:01:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 12:01:47,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:47,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 12:01:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:47,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:47,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 12:01:47,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-15 12:01:47,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:47,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 12:01:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:01:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 12:01:47,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:47,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:47,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:47,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 12:01:47,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 12:01:47,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:47,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 12:01:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 12:01:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 12:01:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:47,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:47,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:47,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:01:47,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:47,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 12:01:47,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:47,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 12:01:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:47,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:01:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:47,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:47,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 12:01:47,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:01:47,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:47,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:01:47,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:01:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:01:47,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:01:47,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:01:47,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:01:47,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:01:47,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:01:47,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:01:47,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:01:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:01:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:01:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:01:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:01:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-15 12:01:47,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069674479] [2020-10-15 12:01:47,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 12:01:47,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 12:01:47,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540102030] [2020-10-15 12:01:47,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 12:01:47,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 12:01:47,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 12:01:47,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-15 12:01:47,470 INFO L87 Difference]: Start difference. First operand 832 states and 1041 transitions. Second operand 14 states. [2020-10-15 12:01:58,914 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2020-10-15 12:01:59,606 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2020-10-15 12:02:23,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 12:02:23,834 INFO L93 Difference]: Finished difference Result 1876 states and 2387 transitions. [2020-10-15 12:02:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 12:02:23,834 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 106 [2020-10-15 12:02:23,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 12:02:23,842 INFO L225 Difference]: With dead ends: 1876 [2020-10-15 12:02:23,842 INFO L226 Difference]: Without dead ends: 1055 [2020-10-15 12:02:23,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-10-15 12:02:23,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-10-15 12:02:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 833. [2020-10-15 12:02:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-10-15 12:02:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1042 transitions. [2020-10-15 12:02:23,985 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1042 transitions. Word has length 106 [2020-10-15 12:02:23,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 12:02:23,986 INFO L479 AbstractCegarLoop]: Abstraction has 833 states and 1042 transitions. [2020-10-15 12:02:23,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 12:02:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1042 transitions. [2020-10-15 12:02:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 12:02:23,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 12:02:23,988 INFO L422 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 12:02:23,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 12:02:23,988 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 12:02:23,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 12:02:23,989 INFO L82 PathProgramCache]: Analyzing trace with hash 433570340, now seen corresponding path program 3 times [2020-10-15 12:02:23,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 12:02:23,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815356768] [2020-10-15 12:02:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 12:02:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:24,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:29,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:29,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-15 12:02:29,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 12:02:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-15 12:02:29,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:29,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 12:02:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 12:02:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 12:02:29,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:29,893 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-15 12:02:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:02:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:29,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:29,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:02:29,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 12:02:29,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:29,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:29,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:02:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:02:30,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 12:02:30,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:02:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:02:30,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:02:30,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:02:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:02:30,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:02:30,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 12:02:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:02:30,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 12:02:30,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:02:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:02:30,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:02:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:02:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:02:30,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:02:30,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 12:02:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:02:30,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 12:02:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:02:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:02:30,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:02:30,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:02:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:02:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:02:30,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:02:30,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 12:02:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 12:02:30,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 12:02:30,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 12:02:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 12:02:30,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-15 12:02:30,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 12:02:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:02:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 12:02:30,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:02:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:02:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 12:02:30,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 12:02:30,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 12:02:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 12:02:30,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:02:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 12:02:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 12:02:30,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:02:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-15 12:02:30,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 12:02:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 12:02:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 12:02:30,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 12:02:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:02:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 12:02:30,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 12:02:30,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 12:02:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 12:02:30,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:02:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 12:02:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:02:30,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 12:02:30,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 12:02:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:02:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 12:02:30,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:02:30,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:02:30,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:02:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:02:30,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:02:30,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:02:30,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:02:30,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:02:30,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 12:02:30,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:02:30,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:02:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:02:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:02:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:02:30,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:02:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-15 12:02:31,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815356768] [2020-10-15 12:02:31,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 12:02:31,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 12:02:31,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565298475] [2020-10-15 12:02:31,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 12:02:31,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 12:02:31,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 12:02:31,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-15 12:02:31,005 INFO L87 Difference]: Start difference. First operand 833 states and 1042 transitions. Second operand 14 states. [2020-10-15 12:02:41,311 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2020-10-15 12:02:42,065 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2020-10-15 12:03:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 12:03:07,097 INFO L93 Difference]: Finished difference Result 1878 states and 2389 transitions. [2020-10-15 12:03:07,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 12:03:07,098 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-10-15 12:03:07,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 12:03:07,105 INFO L225 Difference]: With dead ends: 1878 [2020-10-15 12:03:07,105 INFO L226 Difference]: Without dead ends: 1056 [2020-10-15 12:03:07,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2020-10-15 12:03:07,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-10-15 12:03:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 834. [2020-10-15 12:03:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-10-15 12:03:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1043 transitions. [2020-10-15 12:03:07,224 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1043 transitions. Word has length 108 [2020-10-15 12:03:07,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 12:03:07,224 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1043 transitions. [2020-10-15 12:03:07,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 12:03:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1043 transitions. [2020-10-15 12:03:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-15 12:03:07,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 12:03:07,226 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 12:03:07,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 12:03:07,227 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 12:03:07,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 12:03:07,227 INFO L82 PathProgramCache]: Analyzing trace with hash 806547850, now seen corresponding path program 4 times [2020-10-15 12:03:07,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 12:03:07,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [784935868] [2020-10-15 12:03:07,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 12:03:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:08,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:08,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 12:03:08,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:03:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1611 [2020-10-15 12:03:08,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:08,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 12:03:08,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 12:03:08,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-15 12:03:08,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,114 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 325 [2020-10-15 12:03:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:03:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:10,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 12:03:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 12:03:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:03:10,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 12:03:10,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 12:03:10,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:10,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:03:10,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:03:10,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:03:10,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 12:03:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:03:10,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 12:03:10,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 12:03:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:03:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:03:10,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:03:10,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 12:03:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:03:10,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 12:03:10,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 12:03:10,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:03:10,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:03:10,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:03:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 12:03:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 12:03:10,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 12:03:10,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 12:03:10,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 12:03:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:03:10,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 12:03:10,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 12:03:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 12:03:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 12:03:10,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 12:03:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:03:10,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 12:03:10,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 12:03:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:10,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 12:03:10,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 12:03:10,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 12:03:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:03:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 12:03:10,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 12:03:10,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:03:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 12:03:10,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 12:03:10,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:10,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:10,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:03:10,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:10,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-15 12:03:10,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [784935868] [2020-10-15 12:03:10,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 12:03:10,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 12:03:10,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549615604] [2020-10-15 12:03:10,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 12:03:10,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 12:03:10,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 12:03:10,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-15 12:03:10,975 INFO L87 Difference]: Start difference. First operand 834 states and 1043 transitions. Second operand 8 states. [2020-10-15 12:03:15,733 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-15 12:03:42,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 12:03:42,031 INFO L93 Difference]: Finished difference Result 2851 states and 3740 transitions. [2020-10-15 12:03:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 12:03:42,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-10-15 12:03:42,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 12:03:42,045 INFO L225 Difference]: With dead ends: 2851 [2020-10-15 12:03:42,045 INFO L226 Difference]: Without dead ends: 2049 [2020-10-15 12:03:42,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2020-10-15 12:03:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2020-10-15 12:03:42,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1729. [2020-10-15 12:03:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2020-10-15 12:03:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2217 transitions. [2020-10-15 12:03:42,418 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2217 transitions. Word has length 110 [2020-10-15 12:03:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 12:03:42,421 INFO L479 AbstractCegarLoop]: Abstraction has 1729 states and 2217 transitions. [2020-10-15 12:03:42,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 12:03:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2217 transitions. [2020-10-15 12:03:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-15 12:03:42,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 12:03:42,428 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 12:03:42,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 12:03:42,428 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 12:03:42,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 12:03:42,429 INFO L82 PathProgramCache]: Analyzing trace with hash -767176345, now seen corresponding path program 1 times [2020-10-15 12:03:42,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 12:03:42,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743075325] [2020-10-15 12:03:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 12:03:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:42,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:42,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:43,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:43,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-15 12:03:43,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 12:03:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-15 12:03:43,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:43,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 12:03:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-15 12:03:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:44,533 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 325 [2020-10-15 12:03:44,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:03:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:44,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:44,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:44,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:44,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:44,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-15 12:03:44,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:44,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 12:03:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:44,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:44,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:44,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:03:44,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:44,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 12:03:44,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:44,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:44,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:44,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:44,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 12:03:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:03:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:03:45,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:03:45,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 12:03:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:03:45,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 12:03:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 12:03:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:45,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:03:45,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:03:45,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 12:03:45,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 12:03:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 12:03:45,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 12:03:45,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 12:03:45,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:45,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:03:45,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 12:03:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 12:03:45,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 12:03:45,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 12:03:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 12:03:45,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 12:03:45,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:45,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 12:03:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 12:03:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:03:45,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 12:03:45,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 12:03:45,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 12:03:45,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 12:03:45,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 12:03:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:03:45,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 12:03:45,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 12:03:45,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 12:03:45,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 12:03:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 12:03:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 12:03:45,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 12:03:45,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 12:03:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 12:03:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 12:03:45,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 12:03:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-15 12:03:45,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743075325] [2020-10-15 12:03:45,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 12:03:45,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 12:03:45,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067175085] [2020-10-15 12:03:45,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 12:03:45,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 12:03:45,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 12:03:45,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 12:03:45,486 INFO L87 Difference]: Start difference. First operand 1729 states and 2217 transitions. Second operand 9 states. [2020-10-15 12:03:49,922 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 329