/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-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 0.2.0-0f64333 [2020-10-29 21:52:56,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 21:52:56,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 21:52:56,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 21:52:56,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 21:52:56,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 21:52:56,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 21:52:56,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 21:52:56,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 21:52:56,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 21:52:56,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 21:52:56,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 21:52:56,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 21:52:56,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 21:52:56,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 21:52:56,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 21:52:56,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 21:52:56,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 21:52:56,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 21:52:56,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 21:52:56,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 21:52:56,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 21:52:56,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 21:52:56,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 21:52:56,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 21:52:56,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 21:52:56,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 21:52:56,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 21:52:56,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 21:52:56,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 21:52:56,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 21:52:56,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 21:52:56,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 21:52:56,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 21:52:56,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 21:52:56,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 21:52:56,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 21:52:56,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 21:52:56,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 21:52:56,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 21:52:56,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 21:52:56,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 21:52:56,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 21:52:56,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 21:52:56,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 21:52:56,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 21:52:56,990 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 21:52:56,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 21:52:56,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 21:52:56,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 21:52:56,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 21:52:56,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 21:52:56,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 21:52:56,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 21:52:56,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 21:52:56,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 21:52:56,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 21:52:56,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 21:52:56,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 21:52:56,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 21:52:56,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:52:56,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 21:52:56,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 21:52:56,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 21:52:56,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 21:52:56,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 21:52:56,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 21:52:56,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 21:52:56,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 21:52:56,998 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 21:52:57,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 21:52:57,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 21:52:57,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 21:52:57,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 21:52:57,438 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 21:52:57,439 INFO L432 ainManager$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 [2020-10-29 21:52:57,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dfbb1de7/791c0eceaa614e43b1bd721a73910a39/FLAG9f438676e [2020-10-29 21:52:58,613 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 21:52:58,613 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 [2020-10-29 21:52:58,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dfbb1de7/791c0eceaa614e43b1bd721a73910a39/FLAG9f438676e [2020-10-29 21:52:59,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dfbb1de7/791c0eceaa614e43b1bd721a73910a39 [2020-10-29 21:52:59,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 21:52:59,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 21:52:59,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 21:52:59,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 21:52:59,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 21:52:59,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:52:59" (1/1) ... [2020-10-29 21:52:59,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7496cb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:52:59, skipping insertion in model container [2020-10-29 21:52:59,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:52:59" (1/1) ... [2020-10-29 21:52:59,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 21:52:59,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 21:53:00,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:53:00,858 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 21:53:01,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:53:01,399 INFO L208 MainTranslator]: Completed translation [2020-10-29 21:53:01,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01 WrapperNode [2020-10-29 21:53:01,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 21:53:01,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 21:53:01,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 21:53:01,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 21:53:01,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... [2020-10-29 21:53:01,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 21:53:01,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 21:53:01,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 21:53:01,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 21:53:01,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:53:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 21:53:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 21:53:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 21:53:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 21:53:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 21:53:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-29 21:53:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-29 21:53:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 21:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 21:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 21:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 21:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure numa_node_id [2020-10-29 21:53:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gfp_zonelist [2020-10-29 21:53:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure node_zonelist [2020-10-29 21:53:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_pages [2020-10-29 21:53:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2020-10-29 21:53:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 21:53:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 21:53:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 21:53:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 21:53:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-29 21:53:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-29 21:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 21:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 21:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 21:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 21:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-29 21:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-29 21:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2020-10-29 21:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-29 21:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-29 21:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_alloc_pages [2020-10-29 21:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_alloc_page [2020-10-29 21:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-29 21:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 21:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-29 21:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-29 21:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-29 21:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-29 21:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-29 21:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_xmit [2020-10-29 21:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2020-10-29 21:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_submit [2020-10-29 21:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2020-10-29 21:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_open [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_close [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_ioctl [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_set_mtu [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_setup [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_probe [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_disconnect [2020-10-29 21:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_driver_init [2020-10-29 21:53:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_driver_exit [2020-10-29 21:53:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-29 21:53:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-29 21:53:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 21:53:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-29 21:53:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2020-10-29 21:53:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2020-10-29 21:53:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2020-10-29 21:53:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-29 21:53:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2020-10-29 21:53:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_11 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_15 [2020-10-29 21:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_16 [2020-10-29 21:53:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_17 [2020-10-29 21:53:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_18 [2020-10-29 21:53:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 21:53:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-29 21:53:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-29 21:53:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-29 21:53:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-29 21:53:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-29 21:53:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-29 21:53:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-29 21:53:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-29 21:53:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-29 21:53:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-29 21:53:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-29 21:53:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-29 21:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-29 21:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-29 21:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-29 21:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 21:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_pages_nodemask [2020-10-29 21:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-29 21:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-29 21:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-29 21:53:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-29 21:53:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 21:53:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 21:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 21:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 21:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 21:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-29 21:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-29 21:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-29 21:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-29 21:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 21:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-29 21:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-29 21:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-29 21:53:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-29 21:53:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 21:53:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2020-10-29 21:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-29 21:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2020-10-29 21:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 21:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-29 21:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 21:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2020-10-29 21:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-29 21:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2020-10-29 21:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 21:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 21:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-29 21:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 21:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 21:53:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 21:53:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 21:53:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 21:53:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 21:53:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 21:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 21:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 21:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 21:53:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 21:53:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 21:53:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 21:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-29 21:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-29 21:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 21:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-29 21:53:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 21:53:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-29 21:53:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 21:53:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 21:53:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 21:53:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 21:53:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 21:53:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 21:53:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 21:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 21:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 21:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 21:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 21:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 21:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure numa_node_id [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure gfp_zonelist [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure node_zonelist [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_pages_nodemask [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_pages [2020-10-29 21:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2020-10-29 21:53:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_15 [2020-10-29 21:53:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_11 [2020-10-29 21:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-29 21:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2020-10-29 21:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_17 [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_18 [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2020-10-29 21:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2020-10-29 21:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-29 21:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-29 21:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2020-10-29 21:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2020-10-29 21:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-29 21:53:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-29 21:53:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-29 21:53:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-29 21:53:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 21:53:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 21:53:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 21:53:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 21:53:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 21:53:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 21:53:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-29 21:53:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-29 21:53:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 21:53:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 21:53:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 21:53:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 21:53:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-29 21:53:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 21:53:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2020-10-29 21:53:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 21:53:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 21:53:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-29 21:53:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-29 21:53:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-29 21:53:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_alloc_pages [2020-10-29 21:53:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_alloc_page [2020-10-29 21:53:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-29 21:53:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 21:53:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-29 21:53:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2020-10-29 21:53:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-29 21:53:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-29 21:53:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-29 21:53:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-29 21:53:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-29 21:53:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-29 21:53:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-29 21:53:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-29 21:53:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-29 21:53:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-29 21:53:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-29 21:53:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2020-10-29 21:53:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-29 21:53:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_16 [2020-10-29 21:53:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2020-10-29 21:53:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2020-10-29 21:53:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_xmit [2020-10-29 21:53:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 21:53:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure rx_submit [2020-10-29 21:53:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 21:53:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_close [2020-10-29 21:53:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_open [2020-10-29 21:53:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_ioctl [2020-10-29 21:53:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_set_mtu [2020-10-29 21:53:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_setup [2020-10-29 21:53:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_probe [2020-10-29 21:53:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_disconnect [2020-10-29 21:53:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_driver_init [2020-10-29 21:53:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_driver_exit [2020-10-29 21:53:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-29 21:53:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-29 21:53:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 21:53:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 21:53:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 21:53:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 21:53:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-29 21:53:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-29 21:53:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 21:53:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-29 21:53:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-29 21:53:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-29 21:53:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-29 21:53:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-29 21:53:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-29 21:53:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 21:53:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 21:53:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 21:53:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 21:53:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 21:53:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 21:53:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 21:53:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 21:53:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 21:53:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 21:53:03,818 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 21:53:07,547 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 21:53:07,547 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 21:53:07,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:53:07 BoogieIcfgContainer [2020-10-29 21:53:07,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 21:53:07,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 21:53:07,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 21:53:07,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 21:53:07,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:52:59" (1/3) ... [2020-10-29 21:53:07,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbb217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:53:07, skipping insertion in model container [2020-10-29 21:53:07,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:53:01" (2/3) ... [2020-10-29 21:53:07,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbb217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:53:07, skipping insertion in model container [2020-10-29 21:53:07,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:53:07" (3/3) ... [2020-10-29 21:53:07,568 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-29 21:53:07,581 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 21:53:07,588 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 21:53:07,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 21:53:07,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 21:53:07,648 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 21:53:07,648 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 21:53:07,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 21:53:07,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 21:53:07,649 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 21:53:07,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 21:53:07,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 21:53:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states. [2020-10-29 21:53:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-29 21:53:07,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:53:07,712 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, 1, 1] [2020-10-29 21:53:07,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:53:07,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:53:07,721 INFO L82 PathProgramCache]: Analyzing trace with hash -70509021, now seen corresponding path program 1 times [2020-10-29 21:53:07,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:53:07,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886820528] [2020-10-29 21:53:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:53:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:08,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:08,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:10,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:13,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:13,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 21:53:13,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 21:53:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-29 21:53:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:13,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:53:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-29 21:53:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:53:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 21:53:14,343 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-29 21:53:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:53:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:14,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:14,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 21:53:14,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 21:53:14,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:14,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:53:14,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:14,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:53:14,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 21:53:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:53:14,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:53:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:14,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 21:53:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 21:53:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:14,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:53:14,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:14,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:53:14,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 21:53:14,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 21:53:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:14,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 21:53:14,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 21:53:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:14,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:53:14,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 21:53:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:53:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:14,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:53:14,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:53:14,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:14,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:14,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:14,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 21:53:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:14,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:14,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:53:15,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:15,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 21:53:15,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:53:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:53:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:15,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:15,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 21:53:15,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:53:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:53:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:15,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 21:53:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:15,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:53:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 21:53:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:53:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:53:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:15,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:15,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:15,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 21:53:15,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:53:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:53:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 21:53:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:15,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 21:53:15,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:15,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 21:53:15,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 21:53:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:15,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:53:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 21:53:15,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:53:15,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:15,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:15,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:15,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:15,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:15,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:53:15,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:15,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:15,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:53:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-29 21:53:15,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886820528] [2020-10-29 21:53:15,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:53:15,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 21:53:15,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334637683] [2020-10-29 21:53:15,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 21:53:15,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:53:15,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 21:53:15,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 21:53:15,564 INFO L87 Difference]: Start difference. First operand 881 states. Second operand 11 states. [2020-10-29 21:53:26,764 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-29 21:53:27,722 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-10-29 21:53:28,671 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-10-29 21:53:29,667 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-29 21:53:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:53:55,692 INFO L93 Difference]: Finished difference Result 1920 states and 2520 transitions. [2020-10-29 21:53:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 21:53:55,694 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2020-10-29 21:53:55,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:53:55,722 INFO L225 Difference]: With dead ends: 1920 [2020-10-29 21:53:55,722 INFO L226 Difference]: Without dead ends: 1055 [2020-10-29 21:53:55,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-29 21:53:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-10-29 21:53:56,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 833. [2020-10-29 21:53:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-10-29 21:53:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1042 transitions. [2020-10-29 21:53:56,102 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1042 transitions. Word has length 104 [2020-10-29 21:53:56,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:53:56,103 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1042 transitions. [2020-10-29 21:53:56,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 21:53:56,103 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1042 transitions. [2020-10-29 21:53:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-29 21:53:56,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:53:56,120 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, 1, 1] [2020-10-29 21:53:56,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 21:53:56,121 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:53:56,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:53:56,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1361025483, now seen corresponding path program 1 times [2020-10-29 21:53:56,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:53:56,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847030041] [2020-10-29 21:53:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:53:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:56,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:56,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:01,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:01,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 21:54:01,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 21:54:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-29 21:54:01,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:01,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:54:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 21:54:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-29 21:54:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:02,283 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-29 21:54:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:54:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:02,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-29 21:54:02,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 21:54:02,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:02,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:54:02,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 21:54:02,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 21:54:02,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:02,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:02,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:54:02,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:02,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:54:02,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:54:02,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:02,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:02,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:54:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:54:02,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 21:54:02,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 21:54:02,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 21:54:02,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:02,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:54:02,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:02,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:02,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:54:02,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:02,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:02,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:02,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:02,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 21:54:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:54:02,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:02,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 21:54:02,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:02,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 21:54:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:02,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:02,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:02,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:03,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:03,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:03,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:03,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:54:03,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:03,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:54:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:54:03,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:54:03,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:03,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 21:54:03,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:03,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 21:54:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:54:03,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:54:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-29 21:54:03,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:54:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:54:03,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 21:54:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 21:54:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:54:03,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:54:03,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-29 21:54:03,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:54:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:54:03,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:54:03,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:03,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 21:54:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 21:54:03,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 21:54:03,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 21:54:03,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:54:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 21:54:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:03,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:03,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:03,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:03,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:54:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:03,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-29 21:54:03,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847030041] [2020-10-29 21:54:03,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:54:03,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 21:54:03,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118467003] [2020-10-29 21:54:03,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 21:54:03,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:54:03,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 21:54:03,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 21:54:03,647 INFO L87 Difference]: Start difference. First operand 833 states and 1042 transitions. Second operand 8 states. [2020-10-29 21:54:09,536 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-10-29 21:54:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:54:47,919 INFO L93 Difference]: Finished difference Result 2854 states and 3743 transitions. [2020-10-29 21:54:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 21:54:47,925 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-10-29 21:54:47,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:54:47,944 INFO L225 Difference]: With dead ends: 2854 [2020-10-29 21:54:47,944 INFO L226 Difference]: Without dead ends: 2050 [2020-10-29 21:54:47,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2020-10-29 21:54:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2050 states. [2020-10-29 21:54:48,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2050 to 1728. [2020-10-29 21:54:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2020-10-29 21:54:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2216 transitions. [2020-10-29 21:54:48,431 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2216 transitions. Word has length 106 [2020-10-29 21:54:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:54:48,435 INFO L481 AbstractCegarLoop]: Abstraction has 1728 states and 2216 transitions. [2020-10-29 21:54:48,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 21:54:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2216 transitions. [2020-10-29 21:54:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-29 21:54:48,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:54:48,442 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, 1, 1, 1] [2020-10-29 21:54:48,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 21:54:48,443 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:54:48,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:54:48,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1136156638, now seen corresponding path program 1 times [2020-10-29 21:54:48,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:54:48,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616180475] [2020-10-29 21:54:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:54:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:48,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:48,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:48,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:53,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 21:54:53,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:54:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-29 21:54:53,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:53,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:54:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-29 21:54:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:54:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,533 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-29 21:54:54,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:54:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:54,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 21:54:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:54:54,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 21:54:54,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:54,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:54:54,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:54:54,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:54:54,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:54:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:54:54,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 21:54:54,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:54,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:54,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:54:54,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:54:54,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 21:54:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:54:54,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:54:54,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:54,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:54,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:54:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:54:54,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:54:54,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:54:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:54:54,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:54,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:54:54,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:54,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 21:54:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:54,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:54:55,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:54:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-29 21:54:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:54:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:54:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:54:55,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:55,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:54:55,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:55,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 21:54:55,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:54:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:54:55,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 21:54:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:54:55,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:54:55,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 21:54:55,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:54:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:54:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:54:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:55,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:54:55,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 21:54:55,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:54:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:54:55,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:55,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 21:54:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:55,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 21:54:55,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:54:55,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 21:54:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:55,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:54:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:55,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 21:54:55,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:54:55,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:55,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:54:55,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:54:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:54:55,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:54:55,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:54:55,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:54:55,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:54:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:54:55,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:54:55,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:54:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:54:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:54:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:54:55,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:54:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-29 21:54:55,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616180475] [2020-10-29 21:54:55,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:54:55,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 21:54:55,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582228330] [2020-10-29 21:54:55,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 21:54:55,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:54:55,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 21:54:55,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-29 21:54:55,863 INFO L87 Difference]: Start difference. First operand 1728 states and 2216 transitions. Second operand 18 states. [2020-10-29 21:55:11,159 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2020-10-29 21:55:12,892 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 354 [2020-10-29 21:55:13,865 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-29 21:56:06,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:56:06,082 INFO L93 Difference]: Finished difference Result 5676 states and 7400 transitions. [2020-10-29 21:56:06,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 21:56:06,083 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 107 [2020-10-29 21:56:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:56:06,111 INFO L225 Difference]: With dead ends: 5676 [2020-10-29 21:56:06,111 INFO L226 Difference]: Without dead ends: 3959 [2020-10-29 21:56:06,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2020-10-29 21:56:06,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2020-10-29 21:56:06,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3339. [2020-10-29 21:56:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3339 states. [2020-10-29 21:56:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 3339 states and 4301 transitions. [2020-10-29 21:56:06,812 INFO L78 Accepts]: Start accepts. Automaton has 3339 states and 4301 transitions. Word has length 107 [2020-10-29 21:56:06,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:56:06,812 INFO L481 AbstractCegarLoop]: Abstraction has 3339 states and 4301 transitions. [2020-10-29 21:56:06,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 21:56:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 4301 transitions. [2020-10-29 21:56:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 21:56:06,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:56:06,816 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 21:56:06,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 21:56:06,816 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:56:06,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:56:06,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1091224943, now seen corresponding path program 1 times [2020-10-29 21:56:06,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:56:06,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293613750] [2020-10-29 21:56:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:56:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:07,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:07,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:11,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:11,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 21:56:11,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:56:11,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-29 21:56:11,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:11,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:11,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:56:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 21:56:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 21:56:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:12,941 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-29 21:56:12,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:56:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:56:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:56:13,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 21:56:13,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:56:13,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:56:13,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:56:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:56:13,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:56:13,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:56:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:56:13,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 21:56:13,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:56:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:56:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:56:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:56:13,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:56:13,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 21:56:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:56:13,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:56:13,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:56:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:56:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:56:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:56:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:56:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:56:13,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:56:13,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 21:56:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 21:56:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-29 21:56:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:56:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:56:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 21:56:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:13,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 21:56:13,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 21:56:13,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:13,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:56:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 21:56:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 21:56:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:13,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:56:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 21:56:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 21:56:14,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 21:56:14,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:56:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 21:56:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 21:56:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 21:56:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 21:56:14,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 21:56:14,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:56:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 21:56:14,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:56:14,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:56:14,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 21:56:14,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:56:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:56:14,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:56:14,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:56:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:56:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:56:14,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:56:14,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:56:14,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:56:14,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:56:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:56:14,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:56:14,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:56:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:56:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:56:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:56:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:56:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-29 21:56:14,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293613750] [2020-10-29 21:56:14,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:56:14,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 21:56:14,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130719677] [2020-10-29 21:56:14,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 21:56:14,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:56:14,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 21:56:14,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-10-29 21:56:14,744 INFO L87 Difference]: Start difference. First operand 3339 states and 4301 transitions. Second operand 16 states. [2020-10-29 21:56:27,326 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 352 DAG size of output: 344 [2020-10-29 21:56:28,315 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 341