/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -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 0.1.25-5644d1e-m [2020-08-18 18:25:18,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 18:25:18,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 18:25:18,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 18:25:18,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 18:25:18,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 18:25:18,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 18:25:18,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 18:25:18,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 18:25:18,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 18:25:18,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 18:25:18,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 18:25:18,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 18:25:18,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 18:25:18,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 18:25:18,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 18:25:18,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 18:25:18,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 18:25:18,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 18:25:18,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 18:25:18,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 18:25:18,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 18:25:18,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 18:25:18,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 18:25:18,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 18:25:18,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 18:25:18,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 18:25:18,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 18:25:18,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 18:25:18,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 18:25:18,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 18:25:18,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 18:25:18,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 18:25:18,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 18:25:18,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 18:25:18,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 18:25:18,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 18:25:18,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 18:25:18,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 18:25:18,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 18:25:18,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 18:25:18,893 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 [2020-08-18 18:25:18,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 18:25:18,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 18:25:18,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 18:25:18,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 18:25:18,926 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 18:25:18,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 18:25:18,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 18:25:18,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 18:25:18,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 18:25:18,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 18:25:18,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 18:25:18,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 18:25:18,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 18:25:18,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 18:25:18,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 18:25:18,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 18:25:18,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 18:25:18,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 18:25:18,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 18:25:18,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 18:25:18,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 18:25:18,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 18:25:18,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 18:25:18,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 18:25:18,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 18:25:18,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 18:25:18,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 18:25:18,931 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 18:25:19,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 18:25:19,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 18:25:19,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 18:25:19,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 18:25:19,269 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 18:25:19,270 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-18 18:25:19,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d30989fd/64b6cfb4b3a54fbdaee06900a4d53989/FLAGd8995aead [2020-08-18 18:25:20,091 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 18:25:20,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-18 18:25:20,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d30989fd/64b6cfb4b3a54fbdaee06900a4d53989/FLAGd8995aead [2020-08-18 18:25:20,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d30989fd/64b6cfb4b3a54fbdaee06900a4d53989 [2020-08-18 18:25:20,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 18:25:20,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 18:25:20,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 18:25:20,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 18:25:20,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 18:25:20,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:20" (1/1) ... [2020-08-18 18:25:20,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8ae939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:20, skipping insertion in model container [2020-08-18 18:25:20,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:20" (1/1) ... [2020-08-18 18:25:20,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 18:25:20,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 18:25:21,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:25:21,782 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 18:25:21,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:25:22,024 INFO L208 MainTranslator]: Completed translation [2020-08-18 18:25:22,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22 WrapperNode [2020-08-18 18:25:22,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 18:25:22,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 18:25:22,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 18:25:22,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 18:25:22,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (1/1) ... [2020-08-18 18:25:22,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 18:25:22,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 18:25:22,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 18:25:22,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 18:25:22,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (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 [2020-08-18 18:25:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 18:25:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 18:25:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-18 18:25:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-18 18:25:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-18 18:25:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-18 18:25:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-18 18:25:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-18 18:25:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-18 18:25:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-18 18:25:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-08-18 18:25:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-08-18 18:25:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-08-18 18:25:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-08-18 18:25:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-08-18 18:25:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-08-18 18:25:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-08-18 18:25:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 18:25:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-08-18 18:25:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-08-18 18:25:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-08-18 18:25:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-08-18 18:25:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-08-18 18:25:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-08-18 18:25:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-08-18 18:25:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-08-18 18:25:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-08-18 18:25:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-08-18 18:25:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-08-18 18:25:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-18 18:25:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-08-18 18:25:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-18 18:25:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-18 18:25:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-18 18:25:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-18 18:25:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-08-18 18:25:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-08-18 18:25:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-08-18 18:25:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-08-18 18:25:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-08-18 18:25:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-08-18 18:25:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-08-18 18:25:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-08-18 18:25:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-08-18 18:25:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-08-18 18:25:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-08-18 18:25:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-08-18 18:25:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-08-18 18:25:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-08-18 18:25:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-08-18 18:25:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-18 18:25:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-08-18 18:25:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-08-18 18:25:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-08-18 18:25:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-08-18 18:25:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-08-18 18:25:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-08-18 18:25:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-18 18:25:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-18 18:25:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-08-18 18:25:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-08-18 18:25:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-18 18:25:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-18 18:25:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-08-18 18:25:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-08-18 18:25:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-08-18 18:25:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-08-18 18:25:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-08-18 18:25:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-08-18 18:25:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-08-18 18:25:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-08-18 18:25:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-08-18 18:25:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-08-18 18:25:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-08-18 18:25:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-08-18 18:25:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-08-18 18:25:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-08-18 18:25:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-08-18 18:25:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-08-18 18:25:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-18 18:25:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-08-18 18:25:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-18 18:25:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-08-18 18:25:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-08-18 18:25:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-08-18 18:25:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-08-18 18:25:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-08-18 18:25:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-08-18 18:25:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-08-18 18:25:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-08-18 18:25:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-08-18 18:25:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-08-18 18:25:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-08-18 18:25:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-18 18:25:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-18 18:25:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-18 18:25:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 18:25:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-18 18:25:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-08-18 18:25:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-08-18 18:25:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-08-18 18:25:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-08-18 18:25:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-08-18 18:25:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-08-18 18:25:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 18:25:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 18:25:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 18:25:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-18 18:25:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-18 18:25:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-18 18:25:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-18 18:25:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-18 18:25:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-18 18:25:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-18 18:25:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-08-18 18:25:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-08-18 18:25:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-08-18 18:25:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-08-18 18:25:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-08-18 18:25:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-08-18 18:25:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-08-18 18:25:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-08-18 18:25:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-08-18 18:25:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-08-18 18:25:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-08-18 18:25:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-08-18 18:25:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-08-18 18:25:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-08-18 18:25:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-08-18 18:25:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-08-18 18:25:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-08-18 18:25:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-08-18 18:25:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-08-18 18:25:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-08-18 18:25:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-08-18 18:25:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-08-18 18:25:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-08-18 18:25:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-08-18 18:25:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-08-18 18:25:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-08-18 18:25:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-08-18 18:25:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-08-18 18:25:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 18:25:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 18:25:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-08-18 18:25:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-08-18 18:25:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-08-18 18:25:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-08-18 18:25:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-18 18:25:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-08-18 18:25:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-18 18:25:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 18:25:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 18:25:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 18:25:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-18 18:25:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-08-18 18:25:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-18 18:25:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-18 18:25:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-18 18:25:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-18 18:25:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-08-18 18:25:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-08-18 18:25:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-08-18 18:25:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-08-18 18:25:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-08-18 18:25:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-08-18 18:25:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-08-18 18:25:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-08-18 18:25:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-08-18 18:25:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-08-18 18:25:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-08-18 18:25:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-08-18 18:25:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-18 18:25:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-08-18 18:25:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-08-18 18:25:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-08-18 18:25:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-08-18 18:25:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-08-18 18:25:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-18 18:25:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-18 18:25:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-18 18:25:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-18 18:25:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-08-18 18:25:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-08-18 18:25:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-08-18 18:25:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-08-18 18:25:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-08-18 18:25:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-08-18 18:25:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-08-18 18:25:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-08-18 18:25:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-08-18 18:25:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-08-18 18:25:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-08-18 18:25:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-08-18 18:25:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-08-18 18:25:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 18:25:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-18 18:25:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 18:25:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 18:25:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-18 18:25:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 18:25:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 18:25:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 18:25:23,201 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-18 18:25:25,245 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 18:25:25,246 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 18:25:25,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:25 BoogieIcfgContainer [2020-08-18 18:25:25,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 18:25:25,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 18:25:25,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 18:25:25,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 18:25:25,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 06:25:20" (1/3) ... [2020-08-18 18:25:25,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694bdbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:25:25, skipping insertion in model container [2020-08-18 18:25:25,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:22" (2/3) ... [2020-08-18 18:25:25,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694bdbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:25:25, skipping insertion in model container [2020-08-18 18:25:25,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:25" (3/3) ... [2020-08-18 18:25:25,262 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-18 18:25:25,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 18:25:25,282 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 18:25:25,299 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 18:25:25,328 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 18:25:25,328 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 18:25:25,328 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 18:25:25,328 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 18:25:25,328 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 18:25:25,328 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 18:25:25,328 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 18:25:25,329 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 18:25:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-08-18 18:25:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-18 18:25:25,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:25:25,375 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 18:25:25,375 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:25:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:25:25,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-08-18 18:25:25,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:25:25,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573825406] [2020-08-18 18:25:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:25:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,571 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:25:26,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:25:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:25:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:25:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:25:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:25:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:25:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:25:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:25:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-18 18:25:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-08-18 18:25:27,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573825406] [2020-08-18 18:25:27,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:25:27,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 18:25:27,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469708455] [2020-08-18 18:25:27,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 18:25:27,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:25:27,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 18:25:27,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 18:25:27,189 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 6 states. [2020-08-18 18:25:27,577 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:25:32,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:25:32,004 INFO L93 Difference]: Finished difference Result 553 states and 733 transitions. [2020-08-18 18:25:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 18:25:32,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2020-08-18 18:25:32,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:25:32,028 INFO L225 Difference]: With dead ends: 553 [2020-08-18 18:25:32,028 INFO L226 Difference]: Without dead ends: 271 [2020-08-18 18:25:32,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:25:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-08-18 18:25:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 253. [2020-08-18 18:25:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-08-18 18:25:32,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 315 transitions. [2020-08-18 18:25:32,150 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 315 transitions. Word has length 138 [2020-08-18 18:25:32,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:25:32,151 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 315 transitions. [2020-08-18 18:25:32,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 18:25:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 315 transitions. [2020-08-18 18:25:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-18 18:25:32,156 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:25:32,156 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 18:25:32,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 18:25:32,157 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:25:32,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:25:32,157 INFO L82 PathProgramCache]: Analyzing trace with hash 568155594, now seen corresponding path program 1 times [2020-08-18 18:25:32,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:25:32,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161264474] [2020-08-18 18:25:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:25:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:32,806 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:25:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:25:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:32,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:32,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:25:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:25:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:25:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:25:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:25:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:25:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:25:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-18 18:25:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-08-18 18:25:33,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161264474] [2020-08-18 18:25:33,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:25:33,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 18:25:33,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938320887] [2020-08-18 18:25:33,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 18:25:33,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:25:33,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 18:25:33,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 18:25:33,239 INFO L87 Difference]: Start difference. First operand 253 states and 315 transitions. Second operand 7 states. [2020-08-18 18:25:33,603 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:25:36,515 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-08-18 18:25:36,954 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-08-18 18:25:39,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:25:39,541 INFO L93 Difference]: Finished difference Result 647 states and 816 transitions. [2020-08-18 18:25:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 18:25:39,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-08-18 18:25:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:25:39,555 INFO L225 Difference]: With dead ends: 647 [2020-08-18 18:25:39,555 INFO L226 Difference]: Without dead ends: 426 [2020-08-18 18:25:39,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-08-18 18:25:39,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-08-18 18:25:39,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 384. [2020-08-18 18:25:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-08-18 18:25:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 491 transitions. [2020-08-18 18:25:39,693 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 491 transitions. Word has length 138 [2020-08-18 18:25:39,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:25:39,694 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 491 transitions. [2020-08-18 18:25:39,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 18:25:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 491 transitions. [2020-08-18 18:25:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-08-18 18:25:39,697 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:25:39,697 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 18:25:39,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 18:25:39,697 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:25:39,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:25:39,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1957018819, now seen corresponding path program 1 times [2020-08-18 18:25:39,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:25:39,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201312034] [2020-08-18 18:25:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:25:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,195 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:25:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:25:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:25:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:25:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:25:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:25:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:25:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:25:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:25:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-18 18:25:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:25:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-08-18 18:25:40,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201312034] [2020-08-18 18:25:40,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:25:40,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 18:25:40,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849030914] [2020-08-18 18:25:40,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:25:40,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:25:40,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:25:40,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:25:40,629 INFO L87 Difference]: Start difference. First operand 384 states and 491 transitions. Second operand 8 states. [2020-08-18 18:25:41,006 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:25:45,683 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-08-18 18:25:46,483 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-08-18 18:25:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:25:48,585 INFO L93 Difference]: Finished difference Result 1035 states and 1342 transitions. [2020-08-18 18:25:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 18:25:48,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-08-18 18:25:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:25:48,593 INFO L225 Difference]: With dead ends: 1035 [2020-08-18 18:25:48,593 INFO L226 Difference]: Without dead ends: 683 [2020-08-18 18:25:48,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2020-08-18 18:25:48,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-08-18 18:25:48,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 649. [2020-08-18 18:25:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-08-18 18:25:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 844 transitions. [2020-08-18 18:25:48,686 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 844 transitions. Word has length 141 [2020-08-18 18:25:48,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:25:48,687 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 844 transitions. [2020-08-18 18:25:48,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:25:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 844 transitions. [2020-08-18 18:25:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-18 18:25:48,689 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:25:48,689 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:25:48,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 18:25:48,690 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:25:48,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:25:48,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2115073202, now seen corresponding path program 1 times [2020-08-18 18:25:48,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:25:48,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269125899] [2020-08-18 18:25:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:25:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,355 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:25:49,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:25:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:25:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:25:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:25:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:25:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:25:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:25:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:25:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-18 18:25:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-08-18 18:25:49,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269125899] [2020-08-18 18:25:49,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:25:49,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:25:49,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851915342] [2020-08-18 18:25:49,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:25:49,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:25:49,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:25:49,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:25:49,813 INFO L87 Difference]: Start difference. First operand 649 states and 844 transitions. Second operand 9 states. [2020-08-18 18:25:50,137 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:25:52,844 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-08-18 18:25:53,239 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-08-18 18:25:55,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:25:55,125 INFO L93 Difference]: Finished difference Result 701 states and 907 transitions. [2020-08-18 18:25:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:25:55,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2020-08-18 18:25:55,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:25:55,133 INFO L225 Difference]: With dead ends: 701 [2020-08-18 18:25:55,133 INFO L226 Difference]: Without dead ends: 690 [2020-08-18 18:25:55,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-08-18 18:25:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-08-18 18:25:55,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 649. [2020-08-18 18:25:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-08-18 18:25:55,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 843 transitions. [2020-08-18 18:25:55,214 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 843 transitions. Word has length 167 [2020-08-18 18:25:55,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:25:55,215 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 843 transitions. [2020-08-18 18:25:55,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:25:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 843 transitions. [2020-08-18 18:25:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-18 18:25:55,218 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:25:55,218 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:25:55,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 18:25:55,219 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:25:55,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:25:55,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2057814900, now seen corresponding path program 1 times [2020-08-18 18:25:55,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:25:55,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182603912] [2020-08-18 18:25:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:25:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,794 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:25:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:25:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:25:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:25:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:55,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:25:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:25:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:25:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:25:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:25:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-18 18:25:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:25:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:25:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:25:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-08-18 18:25:56,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182603912] [2020-08-18 18:25:56,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:25:56,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:25:56,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766400178] [2020-08-18 18:25:56,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:25:56,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:25:56,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:25:56,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:25:56,334 INFO L87 Difference]: Start difference. First operand 649 states and 843 transitions. Second operand 9 states. [2020-08-18 18:25:56,664 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:25:59,393 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-08-18 18:25:59,761 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-08-18 18:26:01,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:01,581 INFO L93 Difference]: Finished difference Result 681 states and 881 transitions. [2020-08-18 18:26:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:26:01,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2020-08-18 18:26:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:01,592 INFO L225 Difference]: With dead ends: 681 [2020-08-18 18:26:01,592 INFO L226 Difference]: Without dead ends: 678 [2020-08-18 18:26:01,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-08-18 18:26:01,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-08-18 18:26:01,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 648. [2020-08-18 18:26:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-08-18 18:26:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 841 transitions. [2020-08-18 18:26:01,739 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 841 transitions. Word has length 167 [2020-08-18 18:26:01,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:01,743 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 841 transitions. [2020-08-18 18:26:01,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:26:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 841 transitions. [2020-08-18 18:26:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-08-18 18:26:01,747 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:01,748 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:01,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 18:26:01,748 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:01,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:01,749 INFO L82 PathProgramCache]: Analyzing trace with hash 632050949, now seen corresponding path program 1 times [2020-08-18 18:26:01,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:01,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947564077] [2020-08-18 18:26:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,376 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:26:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:26:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:26:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:26:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:26:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:26:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:26:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:26:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-18 18:26:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-08-18 18:26:02,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947564077] [2020-08-18 18:26:02,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:02,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:26:02,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389468622] [2020-08-18 18:26:02,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:26:02,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:02,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:26:02,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:26:02,872 INFO L87 Difference]: Start difference. First operand 648 states and 841 transitions. Second operand 9 states. [2020-08-18 18:26:03,328 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:26:07,514 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-08-18 18:26:07,898 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-08-18 18:26:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:09,654 INFO L93 Difference]: Finished difference Result 680 states and 879 transitions. [2020-08-18 18:26:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:26:09,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2020-08-18 18:26:09,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:09,661 INFO L225 Difference]: With dead ends: 680 [2020-08-18 18:26:09,661 INFO L226 Difference]: Without dead ends: 677 [2020-08-18 18:26:09,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-08-18 18:26:09,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-08-18 18:26:09,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 647. [2020-08-18 18:26:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-08-18 18:26:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 839 transitions. [2020-08-18 18:26:09,773 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 839 transitions. Word has length 168 [2020-08-18 18:26:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:09,773 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 839 transitions. [2020-08-18 18:26:09,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:26:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 839 transitions. [2020-08-18 18:26:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-08-18 18:26:09,776 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:09,776 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:09,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 18:26:09,776 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:09,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1881448785, now seen corresponding path program 1 times [2020-08-18 18:26:09,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:09,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930522707] [2020-08-18 18:26:09,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,318 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:26:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:26:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:26:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:26:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:26:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:26:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:26:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:26:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-18 18:26:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-08-18 18:26:10,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930522707] [2020-08-18 18:26:10,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:10,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:26:10,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161671798] [2020-08-18 18:26:10,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:26:10,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:10,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:26:10,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:26:10,821 INFO L87 Difference]: Start difference. First operand 647 states and 839 transitions. Second operand 9 states. [2020-08-18 18:26:11,268 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-08-18 18:26:14,397 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-08-18 18:26:14,737 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-08-18 18:26:16,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:16,285 INFO L93 Difference]: Finished difference Result 679 states and 877 transitions. [2020-08-18 18:26:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:26:16,286 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-08-18 18:26:16,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:16,291 INFO L225 Difference]: With dead ends: 679 [2020-08-18 18:26:16,291 INFO L226 Difference]: Without dead ends: 676 [2020-08-18 18:26:16,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-08-18 18:26:16,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-08-18 18:26:16,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 646. [2020-08-18 18:26:16,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-08-18 18:26:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 837 transitions. [2020-08-18 18:26:16,376 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 837 transitions. Word has length 169 [2020-08-18 18:26:16,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:16,376 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 837 transitions. [2020-08-18 18:26:16,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:26:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2020-08-18 18:26:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-08-18 18:26:16,379 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:16,380 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:16,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 18:26:16,380 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:16,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1804442952, now seen corresponding path program 1 times [2020-08-18 18:26:16,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:16,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86947727] [2020-08-18 18:26:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,871 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-08-18 18:26:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:26:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:16,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:26:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:26:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 18:26:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 18:26:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 18:26:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 18:26:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-18 18:26:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:17,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 18:26:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat