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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:56:02,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:56:02,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:56:03,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:56:03,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:56:03,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:56:03,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:56:03,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:56:03,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:56:03,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:56:03,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:56:03,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:56:03,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:56:03,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:56:03,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:56:03,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:56:03,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:56:03,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:56:03,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:56:03,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:56:03,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:56:03,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:56:03,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:56:03,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:56:03,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:56:03,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:56:03,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:56:03,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:56:03,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:56:03,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:56:03,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:56:03,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:56:03,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:56:03,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:56:03,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:56:03,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:56:03,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:56:03,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:56:03,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:56:03,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:56:03,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:56:03,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:56:03,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:56:03,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:56:03,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:56:03,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:56:03,101 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:56:03,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:56:03,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:56:03,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:56:03,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:56:03,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:56:03,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:56:03,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:56:03,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:56:03,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:56:03,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:56:03,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:56:03,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:56:03,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:56:03,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:56:03,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:56:03,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:56:03,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:56:03,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:56:03,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:56:03,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:56:03,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:56:03,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:56:03,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:56:03,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:56:03,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:56:03,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:56:03,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:56:03,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:56:03,429 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:56:03,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-10-07 12:56:03,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6740429/2cd88c2038a943609175a3768cfea176/FLAG6f123456a [2019-10-07 12:56:04,300 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:56:04,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-10-07 12:56:04,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6740429/2cd88c2038a943609175a3768cfea176/FLAG6f123456a [2019-10-07 12:56:04,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6740429/2cd88c2038a943609175a3768cfea176 [2019-10-07 12:56:04,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:56:04,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:56:04,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:56:04,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:56:04,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:56:04,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:56:04" (1/1) ... [2019-10-07 12:56:04,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6608a0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:04, skipping insertion in model container [2019-10-07 12:56:04,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:56:04" (1/1) ... [2019-10-07 12:56:04,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:56:04,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:56:06,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:56:06,190 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:56:06,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:56:06,526 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:56:06,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06 WrapperNode [2019-10-07 12:56:06,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:56:06,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:56:06,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:56:06,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:56:06,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... [2019-10-07 12:56:06,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:56:06,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:56:06,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:56:06,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:56:06,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-07 12:56:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:56:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:56:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:56:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:56:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:56:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:56:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:56:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:56:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:56:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 12:56:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:56:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 12:56:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:56:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 12:56:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:56:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_1 [2019-10-07 12:56:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-07 12:56:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-07 12:56:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2019-10-07 12:56:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_release [2019-10-07 12:56:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2019-10-07 12:56:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2019-10-07 12:56:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-10-07 12:56:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-07 12:56:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:56:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 12:56:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2019-10-07 12:56:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_3 [2019-10-07 12:56:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_4 [2019-10-07 12:56:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_5 [2019-10-07 12:56:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_6 [2019-10-07 12:56:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_7 [2019-10-07 12:56:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_8 [2019-10-07 12:56:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_9 [2019-10-07 12:56:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_10 [2019-10-07 12:56:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_11 [2019-10-07 12:56:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_12 [2019-10-07 12:56:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2019-10-07 12:56:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc [2019-10-07 12:56:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 12:56:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:56:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:56:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:56:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:56:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2019-10-07 12:56:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:56:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 12:56:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2019-10-07 12:56:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 12:56:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-07 12:56:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-10-07 12:56:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-10-07 12:56:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-07 12:56:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2019-10-07 12:56:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2019-10-07 12:56:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-07 12:56:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2019-10-07 12:56:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2019-10-07 12:56:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2019-10-07 12:56:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2019-10-07 12:56:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2019-10-07 12:56:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2019-10-07 12:56:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2019-10-07 12:56:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2019-10-07 12:56:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2019-10-07 12:56:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2019-10-07 12:56:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:56:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:56:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:56:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:56:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:56:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:56:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:56:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:56:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:56:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:56:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:56:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:56:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:56:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:56:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:56:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:56:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:56:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:56:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:56:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:56:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:56:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:56:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:56:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 12:56:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 12:56:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc [2019-10-07 12:56:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 12:56:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:56:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:56:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:56:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_4 [2019-10-07 12:56:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_6 [2019-10-07 12:56:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_8 [2019-10-07 12:56:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_10 [2019-10-07 12:56:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_11 [2019-10-07 12:56:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_12 [2019-10-07 12:56:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 12:56:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:56:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_1 [2019-10-07 12:56:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 12:56:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-10-07 12:56:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-07 12:56:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:56:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-07 12:56:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:56:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-07 12:56:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-07 12:56:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-07 12:56:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-07 12:56:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2019-10-07 12:56:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 12:56:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2019-10-07 12:56:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-07 12:56:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:56:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 12:56:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2019-10-07 12:56:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-07 12:56:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_3 [2019-10-07 12:56:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_5 [2019-10-07 12:56:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_7 [2019-10-07 12:56:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_9 [2019-10-07 12:56:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2019-10-07 12:56:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:56:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2019-10-07 12:56:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:56:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-07 12:56:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-07 12:56:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-07 12:56:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-07 12:56:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2019-10-07 12:56:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2019-10-07 12:56:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2019-10-07 12:56:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2019-10-07 12:56:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2019-10-07 12:56:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2019-10-07 12:56:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2019-10-07 12:56:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:56:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure qc_release [2019-10-07 12:56:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2019-10-07 12:56:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2019-10-07 12:56:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2019-10-07 12:56:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:56:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:56:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:56:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:56:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:56:08,267 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:56:10,566 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:56:10,567 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:56:10,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:56:10 BoogieIcfgContainer [2019-10-07 12:56:10,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:56:10,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:56:10,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:56:10,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:56:10,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:56:04" (1/3) ... [2019-10-07 12:56:10,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59be7fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:56:10, skipping insertion in model container [2019-10-07 12:56:10,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:56:06" (2/3) ... [2019-10-07 12:56:10,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59be7fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:56:10, skipping insertion in model container [2019-10-07 12:56:10,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:56:10" (3/3) ... [2019-10-07 12:56:10,582 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-10-07 12:56:10,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:56:10,613 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:56:10,631 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:56:10,692 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:56:10,692 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:56:10,692 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:56:10,693 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:56:10,693 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:56:10,693 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:56:10,693 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:56:10,693 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:56:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states. [2019-10-07 12:56:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 12:56:10,768 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:10,770 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:10,774 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:10,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:10,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1560546538, now seen corresponding path program 1 times [2019-10-07 12:56:10,792 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:10,792 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:10,793 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:10,793 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 12:56:11,734 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:11,735 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:11,735 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:56:11,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:56:11,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:56:11,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:11,759 INFO L87 Difference]: Start difference. First operand 457 states. Second operand 3 states. [2019-10-07 12:56:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:11,950 INFO L93 Difference]: Finished difference Result 870 states and 1155 transitions. [2019-10-07 12:56:11,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:56:11,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-07 12:56:11,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:11,995 INFO L225 Difference]: With dead ends: 870 [2019-10-07 12:56:11,995 INFO L226 Difference]: Without dead ends: 828 [2019-10-07 12:56:12,002 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:12,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2019-10-07 12:56:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 799. [2019-10-07 12:56:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2019-10-07 12:56:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1049 transitions. [2019-10-07 12:56:12,172 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1049 transitions. Word has length 58 [2019-10-07 12:56:12,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:12,174 INFO L462 AbstractCegarLoop]: Abstraction has 799 states and 1049 transitions. [2019-10-07 12:56:12,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:56:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1049 transitions. [2019-10-07 12:56:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-07 12:56:12,204 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:12,204 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:12,204 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:12,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1135876153, now seen corresponding path program 1 times [2019-10-07 12:56:12,205 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:12,205 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:12,206 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:12,206 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 12:56:12,572 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:12,573 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:12,573 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:56:12,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:56:12,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:56:12,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:12,578 INFO L87 Difference]: Start difference. First operand 799 states and 1049 transitions. Second operand 3 states. [2019-10-07 12:56:12,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:12,986 INFO L93 Difference]: Finished difference Result 1780 states and 2327 transitions. [2019-10-07 12:56:12,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:56:12,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-10-07 12:56:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:12,995 INFO L225 Difference]: With dead ends: 1780 [2019-10-07 12:56:12,995 INFO L226 Difference]: Without dead ends: 1002 [2019-10-07 12:56:13,001 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:13,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2019-10-07 12:56:13,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 996. [2019-10-07 12:56:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2019-10-07 12:56:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1297 transitions. [2019-10-07 12:56:13,053 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1297 transitions. Word has length 95 [2019-10-07 12:56:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:13,054 INFO L462 AbstractCegarLoop]: Abstraction has 996 states and 1297 transitions. [2019-10-07 12:56:13,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:56:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1297 transitions. [2019-10-07 12:56:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 12:56:13,061 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:13,062 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:13,062 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -64700418, now seen corresponding path program 1 times [2019-10-07 12:56:13,063 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:13,063 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:13,064 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:13,064 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-10-07 12:56:13,558 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:13,558 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:13,558 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:56:13,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:56:13,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:56:13,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:13,560 INFO L87 Difference]: Start difference. First operand 996 states and 1297 transitions. Second operand 3 states. [2019-10-07 12:56:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:13,730 INFO L93 Difference]: Finished difference Result 1895 states and 2493 transitions. [2019-10-07 12:56:13,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:56:13,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-07 12:56:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:13,737 INFO L225 Difference]: With dead ends: 1895 [2019-10-07 12:56:13,738 INFO L226 Difference]: Without dead ends: 870 [2019-10-07 12:56:13,741 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2019-10-07 12:56:13,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 857. [2019-10-07 12:56:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-10-07 12:56:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1132 transitions. [2019-10-07 12:56:13,786 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1132 transitions. Word has length 135 [2019-10-07 12:56:13,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:13,787 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1132 transitions. [2019-10-07 12:56:13,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:56:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1132 transitions. [2019-10-07 12:56:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 12:56:13,791 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:13,791 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:13,791 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:13,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:13,792 INFO L82 PathProgramCache]: Analyzing trace with hash -716007649, now seen corresponding path program 1 times [2019-10-07 12:56:13,792 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:13,792 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:13,792 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:13,793 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 12:56:14,033 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:14,034 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:14,034 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 12:56:14,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 12:56:14,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 12:56:14,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 12:56:14,035 INFO L87 Difference]: Start difference. First operand 857 states and 1132 transitions. Second operand 4 states. [2019-10-07 12:56:14,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:14,103 INFO L93 Difference]: Finished difference Result 1701 states and 2249 transitions. [2019-10-07 12:56:14,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 12:56:14,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-10-07 12:56:14,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:14,109 INFO L225 Difference]: With dead ends: 1701 [2019-10-07 12:56:14,109 INFO L226 Difference]: Without dead ends: 858 [2019-10-07 12:56:14,112 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:56:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2019-10-07 12:56:14,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858. [2019-10-07 12:56:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2019-10-07 12:56:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1133 transitions. [2019-10-07 12:56:14,157 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1133 transitions. Word has length 137 [2019-10-07 12:56:14,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:14,158 INFO L462 AbstractCegarLoop]: Abstraction has 858 states and 1133 transitions. [2019-10-07 12:56:14,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 12:56:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1133 transitions. [2019-10-07 12:56:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 12:56:14,162 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:14,162 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:14,162 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:14,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2040254805, now seen corresponding path program 1 times [2019-10-07 12:56:14,163 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:14,163 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:14,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:14,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-07 12:56:14,567 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:14,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:56:14,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:56:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:15,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 3265 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 12:56:15,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:56:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-07 12:56:15,534 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:56:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-07 12:56:15,856 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:56:15,887 INFO L162 IcfgInterpreter]: Started Sifa with 108 locations of interest [2019-10-07 12:56:15,887 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:56:15,894 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:56:15,902 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:56:15,902 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:56:50,221 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 3858 [2019-10-07 12:57:04,665 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 305 DAG size of output: 247 [2019-10-07 12:57:06,902 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 3910 [2019-10-07 12:57:08,891 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 3910 [2019-10-07 12:57:10,818 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 3910 [2019-10-07 12:57:13,264 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:15,614 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:18,016 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:20,438 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:24,901 WARN L191 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 4054 DAG size of output: 4052 [2019-10-07 12:57:27,291 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:29,944 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:32,374 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:34,720 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:37,088 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:57:37,155 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 313 for LOIs [2019-10-07 12:57:38,945 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 3849 [2019-10-07 12:57:40,552 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 3849 [2019-10-07 12:57:42,684 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 3991 [2019-10-07 12:57:42,688 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 4088 for LOIs [2019-10-07 12:57:45,061 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4088 [2019-10-07 12:57:47,407 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4088 [2019-10-07 12:57:50,054 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 4158 [2019-10-07 12:57:52,684 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 4108 [2019-10-07 12:57:55,085 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4108 [2019-10-07 12:57:57,786 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 4182 [2019-10-07 12:58:47,201 WARN L191 SmtUtils]: Spent 14.09 s on a formula simplification that was a NOOP. DAG size: 1747 [2019-10-07 12:58:52,610 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 5426 [2019-10-07 12:59:20,588 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 5424 [2019-10-07 12:59:23,056 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 12:59:25,387 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 12:59:28,154 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 12:59:53,290 WARN L191 SmtUtils]: Spent 14.19 s on a formula simplification that was a NOOP. DAG size: 1747 [2019-10-07 12:59:58,881 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 5427 [2019-10-07 13:00:21,168 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 5425 [2019-10-07 13:00:25,357 WARN L191 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 4183 DAG size of output: 4105 [2019-10-07 13:00:27,657 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 4105 [2019-10-07 13:00:27,792 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-10-07 13:00:30,626 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:00:34,765 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:00:37,110 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:00:39,839 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:00:43,798 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:00:46,188 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:00:48,918 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:00:52,895 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:00:55,237 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:00:57,991 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:02,045 WARN L191 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:04,442 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:01:07,196 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:11,241 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:13,623 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:01:16,346 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:20,328 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:22,684 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:01:25,397 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:29,414 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:31,793 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:01:34,572 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:38,582 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:40,905 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:01:43,650 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:47,742 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:50,168 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:01:52,906 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:01:57,028 WARN L191 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:01:59,522 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:02,335 WARN L191 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:02:06,422 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:02:08,853 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:11,636 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:02:15,653 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:02:18,080 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:20,790 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:02:24,848 WARN L191 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:02:27,185 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:29,896 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:02:33,935 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:02:36,309 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:39,028 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:02:43,063 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:02:45,457 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:48,239 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:02:52,185 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:02:54,529 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:02:57,268 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:01,168 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:03,519 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:03:06,201 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:10,156 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:12,499 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:03:15,163 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:19,213 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:21,623 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:03:24,354 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:28,356 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:30,765 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:03:33,561 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:37,594 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:39,925 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:03:42,574 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:46,595 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:48,888 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:03:51,590 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:03:55,682 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:03:58,086 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:00,781 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:04,713 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:04:07,063 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:09,805 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:13,883 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:04:16,285 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:19,020 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:22,994 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:04:25,303 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:27,977 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:32,006 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:04:34,367 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:37,148 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:41,081 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:04:43,503 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:46,218 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:50,308 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:04:52,715 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:04:55,483 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:04:59,517 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:01,827 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:04,533 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:05:08,541 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:10,954 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:13,752 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:05:17,819 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:20,193 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:22,982 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:05:26,943 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:29,365 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:32,104 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:05:36,039 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:38,384 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:41,145 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:05:45,248 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:47,597 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:50,300 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:05:54,217 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:05:56,565 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:05:59,366 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:03,345 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:06:05,765 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:06:08,506 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:12,522 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:06:14,914 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:06:17,612 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:21,637 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:06:24,013 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:06:26,811 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:30,785 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:06:33,128 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:06:35,777 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:39,860 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:06:42,196 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:06:44,930 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:48,961 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:06:51,351 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:06:54,128 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:06:58,103 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:00,488 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:03,288 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:07:07,238 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:09,653 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:12,374 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:07:16,336 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:18,747 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:21,436 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:07:25,518 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:27,845 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:30,542 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:07:34,551 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:36,861 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:39,635 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:07:43,583 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:45,895 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:48,540 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:07:52,446 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:07:54,820 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:07:57,569 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:01,568 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:03,961 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:08:06,732 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:10,748 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:13,130 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:08:15,874 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:19,790 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:22,193 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:08:24,867 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:28,895 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:31,169 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:08:33,852 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:37,943 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:40,282 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:08:43,049 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:46,949 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:49,318 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:08:52,003 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:08:56,066 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:08:58,382 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:01,114 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:09:05,157 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:09:07,525 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:10,256 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:09:14,296 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:09:16,681 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:19,416 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:09:23,508 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:09:25,861 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:28,634 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:09:32,685 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:09:34,983 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:37,625 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:09:41,673 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:09:44,086 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:46,889 WARN L191 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:09:50,862 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:09:53,241 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:09:56,020 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:10:00,111 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:10:02,461 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:10:05,145 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:10:09,154 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:10:11,583 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:10:14,353 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:10:18,456 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:10:20,830 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 4103 [2019-10-07 13:10:23,609 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 4181 [2019-10-07 13:10:27,618 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 4107 DAG size of output: 4103 [2019-10-07 13:10:29,956 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 4103