/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:41:13,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:41:13,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:41:13,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:41:13,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:41:13,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:41:13,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:41:13,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:41:13,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:41:13,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:41:13,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:41:13,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:41:13,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:41:13,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:41:13,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:41:13,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:41:13,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:41:13,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:41:13,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:41:13,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:41:13,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:41:13,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:41:13,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:41:13,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:41:13,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:41:13,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:41:13,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:41:13,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:41:13,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:41:13,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:41:13,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:41:13,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:41:13,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:41:13,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:41:13,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:41:13,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:41:13,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:41:13,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:41:13,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:41:13,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:41:13,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:41:13,105 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 [2020-09-25 01:41:13,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:41:13,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:41:13,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:41:13,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:41:13,133 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:41:13,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:41:13,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:41:13,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:41:13,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:41:13,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:41:13,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:41:13,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:41:13,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:41:13,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:41:13,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:41:13,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:41:13,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:41:13,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:41:13,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:41:13,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:41:13,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:41:13,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:41:13,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:41:13,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:41:13,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:41:13,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:41:13,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 01:41:13,138 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 01:41:13,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:41:13,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:41:13,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:41:13,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:41:13,628 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:41:13,629 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-09-25 01:41:13,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27a348e8a/695aa20f0b2e4007b5b6c2e2fe10c749/FLAG9b91cd7bf [2020-09-25 01:41:14,576 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:41:14,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-09-25 01:41:14,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27a348e8a/695aa20f0b2e4007b5b6c2e2fe10c749/FLAG9b91cd7bf [2020-09-25 01:41:15,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27a348e8a/695aa20f0b2e4007b5b6c2e2fe10c749 [2020-09-25 01:41:15,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:41:15,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:41:15,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:41:15,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:41:15,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:41:15,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:41:15" (1/1) ... [2020-09-25 01:41:15,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1604f3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:15, skipping insertion in model container [2020-09-25 01:41:15,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:41:15" (1/1) ... [2020-09-25 01:41:15,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:41:15,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:41:16,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:41:16,719 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:41:16,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:41:16,975 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:41:16,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16 WrapperNode [2020-09-25 01:41:16,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:41:16,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:41:16,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:41:16,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:41:16,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:16,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:17,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:17,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:17,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:17,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:17,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (1/1) ... [2020-09-25 01:41:17,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:41:17,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:41:17,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:41:17,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:41:17,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (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 [2020-09-25 01:41:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:41:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:41:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:41:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 01:41:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 01:41:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-25 01:41:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-25 01:41:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 01:41:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 01:41:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 01:41:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-09-25 01:41:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-09-25 01:41:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-09-25 01:41:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-09-25 01:41:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-09-25 01:41:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-09-25 01:41:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 01:41:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:41:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-09-25 01:41:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-09-25 01:41:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-09-25 01:41:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-09-25 01:41:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 01:41:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-09-25 01:41:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-09-25 01:41:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-09-25 01:41:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-09-25 01:41:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-09-25 01:41:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-09-25 01:41:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 01:41:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-09-25 01:41:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 01:41:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 01:41:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 01:41:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 01:41:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-09-25 01:41:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-09-25 01:41:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-09-25 01:41:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-09-25 01:41:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-09-25 01:41:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-09-25 01:41:17,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-09-25 01:41:17,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-09-25 01:41:17,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-09-25 01:41:17,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-09-25 01:41:17,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-09-25 01:41:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 01:41:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 01:41:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 01:41:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 01:41:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 01:41:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 01:41:17,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 01:41:17,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-09-25 01:41:17,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-09-25 01:41:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-09-25 01:41:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-09-25 01:41:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 01:41:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 01:41:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 01:41:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 01:41:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 01:41:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 01:41:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 01:41:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-09-25 01:41:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-09-25 01:41:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-09-25 01:41:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-09-25 01:41:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-09-25 01:41:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-09-25 01:41:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-09-25 01:41:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-09-25 01:41:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-09-25 01:41:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-09-25 01:41:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-09-25 01:41:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-09-25 01:41:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-09-25 01:41:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-09-25 01:41:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-09-25 01:41:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 01:41:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-09-25 01:41:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 01:41:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 01:41:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 01:41:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 01:41:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 01:41:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 01:41:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 01:41:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-09-25 01:41:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 01:41:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 01:41:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 01:41:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 01:41:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 01:41:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 01:41:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 01:41:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:41:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 01:41:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 01:41:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-09-25 01:41:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 01:41:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-09-25 01:41:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 01:41:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-09-25 01:41:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:41:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 01:41:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:41:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 01:41:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:41:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:41:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 01:41:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:41:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 01:41:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 01:41:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-25 01:41:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-25 01:41:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 01:41:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 01:41:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 01:41:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 01:41:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-09-25 01:41:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-09-25 01:41:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 01:41:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-09-25 01:41:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-09-25 01:41:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-09-25 01:41:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-09-25 01:41:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-09-25 01:41:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 01:41:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 01:41:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 01:41:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 01:41:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 01:41:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-09-25 01:41:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-09-25 01:41:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 01:41:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-09-25 01:41:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-09-25 01:41:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 01:41:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-09-25 01:41:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 01:41:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-09-25 01:41:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 01:41:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 01:41:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 01:41:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 01:41:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-09-25 01:41:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-09-25 01:41:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:41:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:41:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-09-25 01:41:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-09-25 01:41:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-09-25 01:41:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-09-25 01:41:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 01:41:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 01:41:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 01:41:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:41:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:41:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:41:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 01:41:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-09-25 01:41:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 01:41:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 01:41:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 01:41:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 01:41:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-09-25 01:41:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-09-25 01:41:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-09-25 01:41:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-09-25 01:41:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-09-25 01:41:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-09-25 01:41:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-09-25 01:41:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-09-25 01:41:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-09-25 01:41:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 01:41:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 01:41:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 01:41:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 01:41:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 01:41:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-09-25 01:41:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-09-25 01:41:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-09-25 01:41:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-09-25 01:41:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 01:41:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 01:41:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 01:41:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 01:41:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-09-25 01:41:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-09-25 01:41:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-09-25 01:41:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-09-25 01:41:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-09-25 01:41:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-09-25 01:41:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-09-25 01:41:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-09-25 01:41:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-09-25 01:41:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-09-25 01:41:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-09-25 01:41:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-09-25 01:41:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-09-25 01:41:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:41:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 01:41:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:41:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:41:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 01:41:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:41:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:41:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:41:18,218 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 01:41:20,059 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:41:20,059 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 01:41:20,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:41:20 BoogieIcfgContainer [2020-09-25 01:41:20,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:41:20,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:41:20,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:41:20,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:41:20,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:41:15" (1/3) ... [2020-09-25 01:41:20,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4105f58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:41:20, skipping insertion in model container [2020-09-25 01:41:20,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:41:16" (2/3) ... [2020-09-25 01:41:20,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4105f58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:41:20, skipping insertion in model container [2020-09-25 01:41:20,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:41:20" (3/3) ... [2020-09-25 01:41:20,085 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-09-25 01:41:20,097 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:41:20,108 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:41:20,130 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:41:20,165 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:41:20,165 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:41:20,165 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:41:20,165 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:41:20,165 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:41:20,166 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:41:20,166 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:41:20,166 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:41:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states. [2020-09-25 01:41:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2020-09-25 01:41:20,264 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:41:20,266 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:41:20,267 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:41:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:41:20,275 INFO L82 PathProgramCache]: Analyzing trace with hash 942058458, now seen corresponding path program 1 times [2020-09-25 01:41:20,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:41:20,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586328345] [2020-09-25 01:41:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:41:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:21,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:24,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:26,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:26,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 910 [2020-09-25 01:41:26,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:41:26,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5505 [2020-09-25 01:41:26,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:41:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 861 [2020-09-25 01:41:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 01:41:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:41:27,695 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-25 01:41:27,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:41:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:27,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:28,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:28,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 640 [2020-09-25 01:41:28,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 589 [2020-09-25 01:41:28,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:28,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2020-09-25 01:41:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:29,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 01:41:29,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:29,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 01:41:29,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:29,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:29,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 01:41:29,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2020-09-25 01:41:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:29,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 01:41:29,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:29,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:29,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 01:41:29,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:29,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:29,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 01:41:29,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2020-09-25 01:41:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:29,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 01:41:29,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:29,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 01:41:29,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:29,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 01:41:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2020-09-25 01:41:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:29,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:29,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 01:41:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:30,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 01:41:30,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:30,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 01:41:30,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-09-25 01:41:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 01:41:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:30,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:41:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:30,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 01:41:30,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:30,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2020-09-25 01:41:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 01:41:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:30,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 01:41:30,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:30,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 01:41:30,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:30,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2020-09-25 01:41:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:41:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:41:30,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:30,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2020-09-25 01:41:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:30,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:30,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:41:30,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:41:30,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 01:41:30,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:41:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 01:41:30,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 01:41:30,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:30,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:31,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:31,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:31,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:31,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-25 01:41:31,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:41:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:41:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:31,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2020-09-25 01:41:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:31,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:31,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 01:41:31,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 01:41:31,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 01:41:31,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:31,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:31,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:41:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:31,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:31,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:31,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:41:31,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 01:41:31,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:31,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:31,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:41:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:31,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:31,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:31,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:31,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 01:41:31,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:31,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-09-25 01:41:32,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586328345] [2020-09-25 01:41:32,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:41:32,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 01:41:32,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785577177] [2020-09-25 01:41:32,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 01:41:32,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:41:32,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 01:41:32,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 01:41:32,463 INFO L87 Difference]: Start difference. First operand 1443 states. Second operand 12 states. [2020-09-25 01:41:32,975 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-25 01:41:37,501 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-25 01:41:38,172 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-25 01:41:39,141 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-09-25 01:41:39,704 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-25 01:41:40,250 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-25 01:41:40,759 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-25 01:41:41,363 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-09-25 01:41:41,945 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-25 01:41:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:41:45,772 INFO L93 Difference]: Finished difference Result 1898 states and 2152 transitions. [2020-09-25 01:41:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 01:41:45,774 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 851 [2020-09-25 01:41:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:41:45,821 INFO L225 Difference]: With dead ends: 1898 [2020-09-25 01:41:45,821 INFO L226 Difference]: Without dead ends: 1411 [2020-09-25 01:41:45,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=220, Invalid=592, Unknown=0, NotChecked=0, Total=812 [2020-09-25 01:41:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2020-09-25 01:41:46,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1367. [2020-09-25 01:41:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-09-25 01:41:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1480 transitions. [2020-09-25 01:41:46,013 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1480 transitions. Word has length 851 [2020-09-25 01:41:46,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:41:46,015 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1480 transitions. [2020-09-25 01:41:46,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 01:41:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1480 transitions. [2020-09-25 01:41:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2020-09-25 01:41:46,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:41:46,054 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:41:46,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:41:46,055 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:41:46,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:41:46,056 INFO L82 PathProgramCache]: Analyzing trace with hash 328311545, now seen corresponding path program 1 times [2020-09-25 01:41:46,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:41:46,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652735817] [2020-09-25 01:41:46,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:41:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:46,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:48,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:51,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:51,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 928 [2020-09-25 01:41:51,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:41:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5107 [2020-09-25 01:41:51,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:41:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 861 [2020-09-25 01:41:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 01:41:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:52,436 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-25 01:41:52,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:41:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:52,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 640 [2020-09-25 01:41:53,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 574 [2020-09-25 01:41:53,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2020-09-25 01:41:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:53,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 01:41:53,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:53,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 01:41:53,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:53,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 01:41:53,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2020-09-25 01:41:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:53,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 01:41:53,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:53,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:41:53,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:53,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:41:53,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2020-09-25 01:41:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:53,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 01:41:53,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:53,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:41:53,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:53,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:53,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:53,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:53,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:53,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:41:53,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:53,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:53,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2020-09-25 01:41:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:54,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 01:41:54,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:54,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:41:54,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:54,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:41:54,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-09-25 01:41:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:54,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 01:41:54,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:54,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:41:54,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:54,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 01:41:54,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2020-09-25 01:41:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 01:41:54,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 01:41:54,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:41:54,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:41:54,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 01:41:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:41:54,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 01:41:54,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2020-09-25 01:41:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:41:54,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:41:54,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:54,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2020-09-25 01:41:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:54,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:54,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 01:41:54,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:41:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 01:41:54,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:41:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 01:41:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 01:41:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:54,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:54,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:55,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:55,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:41:55,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-25 01:41:55,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:41:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 01:41:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:55,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2020-09-25 01:41:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:55,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:55,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:55,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:41:55,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:55,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 01:41:55,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:41:55,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:55,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-09-25 01:41:55,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652735817] [2020-09-25 01:41:55,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 01:41:55,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 01:41:55,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702975833] [2020-09-25 01:41:55,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 01:41:55,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:41:55,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 01:41:55,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 01:41:55,609 INFO L87 Difference]: Start difference. First operand 1367 states and 1480 transitions. Second operand 12 states. [2020-09-25 01:41:56,079 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-25 01:42:02,130 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-25 01:42:02,754 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-25 01:42:03,634 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-09-25 01:42:04,165 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 245