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 -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 17:08:01,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 17:08:01,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 17:08:01,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 17:08:01,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 17:08:01,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 17:08:01,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 17:08:01,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 17:08:01,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 17:08:01,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 17:08:01,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 17:08:01,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 17:08:01,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 17:08:01,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 17:08:01,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 17:08:01,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 17:08:01,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 17:08:01,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 17:08:01,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 17:08:01,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 17:08:01,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 17:08:01,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 17:08:01,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 17:08:01,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 17:08:01,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 17:08:01,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 17:08:01,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 17:08:01,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 17:08:01,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 17:08:01,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 17:08:01,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 17:08:01,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 17:08:01,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 17:08:01,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 17:08:01,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 17:08:01,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 17:08:01,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 17:08:01,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 17:08:01,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 17:08:01,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 17:08:01,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 17:08:01,677 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 [2019-09-08 17:08:01,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 17:08:01,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 17:08:01,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 17:08:01,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 17:08:01,694 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 17:08:01,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 17:08:01,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 17:08:01,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 17:08:01,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 17:08:01,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 17:08:01,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 17:08:01,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 17:08:01,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 17:08:01,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 17:08:01,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 17:08:01,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 17:08:01,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 17:08:01,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 17:08:01,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 17:08:01,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 17:08:01,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 17:08:01,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 17:08:01,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 17:08:01,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 17:08:01,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 17:08:01,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 17:08:01,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 17:08:01,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 17:08:01,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 17:08:01,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 17:08:01,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 17:08:01,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 17:08:01,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 17:08:01,759 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 17:08:01,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2019-09-08 17:08:01,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe2aa31a/0724c116f0f640048bd9b4a0389c5a20/FLAGcfcd57d9e [2019-09-08 17:08:02,686 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 17:08:02,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2019-09-08 17:08:02,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe2aa31a/0724c116f0f640048bd9b4a0389c5a20/FLAGcfcd57d9e [2019-09-08 17:08:03,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe2aa31a/0724c116f0f640048bd9b4a0389c5a20 [2019-09-08 17:08:03,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 17:08:03,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 17:08:03,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 17:08:03,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 17:08:03,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 17:08:03,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:08:03" (1/1) ... [2019-09-08 17:08:03,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a003ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:03, skipping insertion in model container [2019-09-08 17:08:03,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:08:03" (1/1) ... [2019-09-08 17:08:03,157 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 17:08:03,319 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 17:08:03,870 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3736] [2019-09-08 17:08:03,870 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3737-3738] [2019-09-08 17:08:05,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:08:05,809 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 17:08:05,920 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3736] [2019-09-08 17:08:05,920 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3737-3738] [2019-09-08 17:08:06,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:08:06,630 INFO L192 MainTranslator]: Completed translation [2019-09-08 17:08:06,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06 WrapperNode [2019-09-08 17:08:06,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 17:08:06,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 17:08:06,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 17:08:06,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 17:08:06,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:06,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:06,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:06,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:06,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:07,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:07,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (1/1) ... [2019-09-08 17:08:07,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 17:08:07,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 17:08:07,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 17:08:07,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 17:08:07,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (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 [2019-09-08 17:08:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 17:08:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 17:08:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 17:08:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 17:08:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 17:08:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 17:08:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 17:08:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 17:08:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 17:08:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-08 17:08:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-08 17:08:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-08 17:08:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-09-08 17:08:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-08 17:08:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-09-08 17:08:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-08 17:08:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 17:08:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-08 17:08:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 17:08:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-09-08 17:08:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-09-08 17:08:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-09-08 17:08:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-08 17:08:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-08 17:08:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 17:08:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 17:08:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-09-08 17:08:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kcalloc_14 [2019-09-08 17:08:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 17:08:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 17:08:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 17:08:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2019-09-08 17:08:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-09-08 17:08:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2019-09-08 17:08:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_get_bus_width [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_shutdown [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2019-09-08 17:08:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disable_gsint [2019-09-08 17:08:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2019-09-08 17:08:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2019-09-08 17:08:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2019-09-08 17:08:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ep_periodic [2019-09-08 17:08:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_unmap_dma [2019-09-08 17:08:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2019-09-08 17:08:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_limit [2019-09-08 17:08:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2019-09-08 17:08:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_map_dma [2019-09-08 17:08:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2019-09-08 17:08:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue_lock [2019-09-08 17:08:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2019-09-08 17:08:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_oursetup [2019-09-08 17:08:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2019-09-08 17:08:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2019-09-08 17:08:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_status [2019-09-08 17:08:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2019-09-08 17:08:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2019-09-08 17:08:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2019-09-08 17:08:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2019-09-08 17:08:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2019-09-08 17:08:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2019-09-08 17:08:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2019-09-08 17:08:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_rx_data [2019-09-08 17:08:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_zlp [2019-09-08 17:08:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_handle_outdone [2019-09-08 17:08:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2019-09-08 17:08:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_handle_rx [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_trytx [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_in [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_epint [2019-09-08 17:08:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_irq_enumdone [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_irq_fifoempty [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_irq [2019-09-08 17:08:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure on_list [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2019-09-08 17:08:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2019-09-08 17:08:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init [2019-09-08 17:08:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2019-09-08 17:08:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2019-09-08 17:08:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2019-09-08 17:08:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2019-09-08 17:08:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_initep [2019-09-08 17:08:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_hw_cfg [2019-09-08 17:08:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2019-09-08 17:08:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure state_show [2019-09-08 17:08:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2019-09-08 17:08:07,257 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_show [2019-09-08 17:08:07,257 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2019-09-08 17:08:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_direction [2019-09-08 17:08:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_show [2019-09-08 17:08:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2019-09-08 17:08:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_create_debug [2019-09-08 17:08:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_delete_debug [2019-09-08 17:08:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2019-09-08 17:08:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2019-09-08 17:08:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_suspend [2019-09-08 17:08:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2019-09-08 17:08:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_driver_init [2019-09-08 17:08:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_driver_exit [2019-09-08 17:08:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-09-08 17:08:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-09-08 17:08:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_5 [2019-09-08 17:08:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_6 [2019-09-08 17:08:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2019-09-08 17:08:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_4 [2019-09-08 17:08:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 17:08:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 17:08:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 17:08:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 17:08:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-09-08 17:08:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-08 17:08:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 17:08:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_20 [2019-09-08 17:08:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_21 [2019-09-08 17:08:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 17:08:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 17:08:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2019-09-08 17:08:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 17:08:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_phy_get [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_bulk_get [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_usb_get_phy [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2019-09-08 17:08:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2019-09-08 17:08:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_power_off [2019-09-08 17:08:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_power_on [2019-09-08 17:08:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-09-08 17:08:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-09-08 17:08:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-09-08 17:08:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 17:08:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2019-09-08 17:08:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2019-09-08 17:08:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-09-08 17:08:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc [2019-09-08 17:08:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_map_request [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unmap_request [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 17:08:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 17:08:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 17:08:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 17:08:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 17:08:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 17:08:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 17:08:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-08 17:08:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 17:08:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 17:08:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-08 17:08:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-08 17:08:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2019-09-08 17:08:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2019-09-08 17:08:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 17:08:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 17:08:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 17:08:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 17:08:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-08 17:08:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-08 17:08:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-09-08 17:08:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kcalloc_14 [2019-09-08 17:08:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-09-08 17:08:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 17:08:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 17:08:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_5 [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_6 [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_4 [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-09-08 17:08:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-09-08 17:08:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 17:08:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_20 [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_21 [2019-09-08 17:08:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2019-09-08 17:08:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_bulk_get [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2019-09-08 17:08:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure phy_power_on [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure phy_power_off [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure phy_get_bus_width [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure devm_phy_get [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-09-08 17:08:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 17:08:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_shutdown [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure devm_usb_get_phy [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2019-09-08 17:08:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disable_gsint [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_ep_periodic [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_unmap_dma [2019-09-08 17:08:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_limit [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_map_dma [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue_lock [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_oursetup [2019-09-08 17:08:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_status [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 17:08:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2019-09-08 17:08:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2019-09-08 17:08:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2019-09-08 17:08:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2019-09-08 17:08:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 17:08:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2019-09-08 17:08:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2019-09-08 17:08:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_rx_data [2019-09-08 17:08:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_zlp [2019-09-08 17:08:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_handle_outdone [2019-09-08 17:08:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2019-09-08 17:08:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_handle_rx [2019-09-08 17:08:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_trytx [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_in [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_epint [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_irq_enumdone [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_irq_fifoempty [2019-09-08 17:08:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_irq [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure on_list [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2019-09-08 17:08:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_initep [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_hw_cfg [2019-09-08 17:08:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure state_show [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_show [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure decode_direction [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ep_show [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_create_debug [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_delete_debug [2019-09-08 17:08:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_suspend [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_driver_init [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_driver_exit [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 17:08:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 17:08:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 17:08:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 17:08:08,988 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 17:09:25,956 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 17:09:25,957 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 17:09:25,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:09:25 BoogieIcfgContainer [2019-09-08 17:09:25,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 17:09:25,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 17:09:25,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 17:09:25,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 17:09:25,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:08:03" (1/3) ... [2019-09-08 17:09:25,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7b39ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:09:25, skipping insertion in model container [2019-09-08 17:09:25,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:08:06" (2/3) ... [2019-09-08 17:09:25,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7b39ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:09:25, skipping insertion in model container [2019-09-08 17:09:25,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:09:25" (3/3) ... [2019-09-08 17:09:25,968 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2019-09-08 17:09:25,977 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 17:09:25,988 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 17:09:26,005 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 17:09:26,049 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 17:09:26,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 17:09:26,049 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 17:09:26,050 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 17:09:26,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 17:09:26,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 17:09:26,050 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 17:09:26,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 17:09:26,050 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 17:09:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states. [2019-09-08 17:09:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-08 17:09:26,128 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:09:26,130 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:09:26,132 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:09:26,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:09:26,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1150508073, now seen corresponding path program 1 times [2019-09-08 17:09:26,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:09:26,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:09:26,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:09:26,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:09:26,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:09:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:09:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-09-08 17:09:28,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:09:28,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:09:28,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:09:28,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:09:28,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:09:28,300 INFO L87 Difference]: Start difference. First operand 2676 states. Second operand 3 states. [2019-09-08 17:09:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:09:56,628 INFO L93 Difference]: Finished difference Result 6325 states and 8743 transitions. [2019-09-08 17:09:56,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:09:56,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-09-08 17:09:56,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:09:56,697 INFO L225 Difference]: With dead ends: 6325 [2019-09-08 17:09:56,697 INFO L226 Difference]: Without dead ends: 4143 [2019-09-08 17:09:56,721 INFO L628 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 [2019-09-08 17:09:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4143 states. [2019-09-08 17:09:57,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4143 to 4139. [2019-09-08 17:09:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4139 states. [2019-09-08 17:09:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 4139 states and 5637 transitions. [2019-09-08 17:09:57,134 INFO L78 Accepts]: Start accepts. Automaton has 4139 states and 5637 transitions. Word has length 87 [2019-09-08 17:09:57,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:09:57,135 INFO L475 AbstractCegarLoop]: Abstraction has 4139 states and 5637 transitions. [2019-09-08 17:09:57,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:09:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 4139 states and 5637 transitions. [2019-09-08 17:09:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-09-08 17:09:57,166 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:09:57,167 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:09:57,167 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:09:57,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:09:57,171 INFO L82 PathProgramCache]: Analyzing trace with hash -225117561, now seen corresponding path program 1 times [2019-09-08 17:09:57,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:09:57,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:09:57,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:09:57,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:09:57,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:09:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:09:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2019-09-08 17:09:58,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:09:58,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:09:58,411 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:09:58,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:09:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:09:58,412 INFO L87 Difference]: Start difference. First operand 4139 states and 5637 transitions. Second operand 3 states. [2019-09-08 17:09:58,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:09:58,635 INFO L93 Difference]: Finished difference Result 6576 states and 8897 transitions. [2019-09-08 17:09:58,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:09:58,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-09-08 17:09:58,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:09:58,711 INFO L225 Difference]: With dead ends: 6576 [2019-09-08 17:09:58,712 INFO L226 Difference]: Without dead ends: 6573 [2019-09-08 17:09:58,719 INFO L628 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 [2019-09-08 17:09:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2019-09-08 17:09:59,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6507. [2019-09-08 17:09:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6507 states. [2019-09-08 17:09:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6507 states to 6507 states and 8793 transitions. [2019-09-08 17:09:59,084 INFO L78 Accepts]: Start accepts. Automaton has 6507 states and 8793 transitions. Word has length 208 [2019-09-08 17:09:59,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:09:59,085 INFO L475 AbstractCegarLoop]: Abstraction has 6507 states and 8793 transitions. [2019-09-08 17:09:59,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:09:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6507 states and 8793 transitions. [2019-09-08 17:09:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-09-08 17:09:59,097 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:09:59,097 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:09:59,098 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:09:59,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:09:59,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1441099159, now seen corresponding path program 1 times [2019-09-08 17:09:59,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:09:59,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:09:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:09:59,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:09:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:09:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:10:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-09-08 17:10:00,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:10:00,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:10:00,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:10:00,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:10:00,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:10:00,035 INFO L87 Difference]: Start difference. First operand 6507 states and 8793 transitions. Second operand 3 states. [2019-09-08 17:10:36,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:10:36,893 INFO L93 Difference]: Finished difference Result 18769 states and 25411 transitions. [2019-09-08 17:10:36,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:10:36,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2019-09-08 17:10:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:10:36,991 INFO L225 Difference]: With dead ends: 18769 [2019-09-08 17:10:36,992 INFO L226 Difference]: Without dead ends: 12295 [2019-09-08 17:10:37,033 INFO L628 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 [2019-09-08 17:10:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12295 states. [2019-09-08 17:10:38,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12295 to 12274. [2019-09-08 17:10:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12274 states. [2019-09-08 17:10:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12274 states to 12274 states and 16635 transitions. [2019-09-08 17:10:38,672 INFO L78 Accepts]: Start accepts. Automaton has 12274 states and 16635 transitions. Word has length 235 [2019-09-08 17:10:38,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:10:38,672 INFO L475 AbstractCegarLoop]: Abstraction has 12274 states and 16635 transitions. [2019-09-08 17:10:38,673 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:10:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 12274 states and 16635 transitions. [2019-09-08 17:10:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-09-08 17:10:38,697 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:10:38,697 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:10:38,698 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:10:38,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:10:38,698 INFO L82 PathProgramCache]: Analyzing trace with hash -628554497, now seen corresponding path program 1 times [2019-09-08 17:10:38,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:10:38,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:10:38,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:10:38,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:10:38,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:10:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:10:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-08 17:10:39,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:10:39,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:10:39,629 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:10:39,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:10:39,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:10:39,630 INFO L87 Difference]: Start difference. First operand 12274 states and 16635 transitions. Second operand 3 states. [2019-09-08 17:11:16,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:11:16,331 INFO L93 Difference]: Finished difference Result 33841 states and 45874 transitions. [2019-09-08 17:11:16,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:11:16,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2019-09-08 17:11:16,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:11:16,498 INFO L225 Difference]: With dead ends: 33841 [2019-09-08 17:11:16,499 INFO L226 Difference]: Without dead ends: 21609 [2019-09-08 17:11:16,566 INFO L628 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 [2019-09-08 17:11:16,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21609 states. [2019-09-08 17:11:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21609 to 21606. [2019-09-08 17:11:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21606 states. [2019-09-08 17:11:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21606 states to 21606 states and 29285 transitions. [2019-09-08 17:11:17,513 INFO L78 Accepts]: Start accepts. Automaton has 21606 states and 29285 transitions. Word has length 239 [2019-09-08 17:11:17,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:11:17,515 INFO L475 AbstractCegarLoop]: Abstraction has 21606 states and 29285 transitions. [2019-09-08 17:11:17,515 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:11:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 21606 states and 29285 transitions. [2019-09-08 17:11:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-09-08 17:11:17,548 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:11:17,548 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:11:17,549 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:11:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:11:17,549 INFO L82 PathProgramCache]: Analyzing trace with hash -803725420, now seen corresponding path program 1 times [2019-09-08 17:11:17,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:11:17,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:11:17,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:11:17,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:11:17,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:11:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:11:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2019-09-08 17:11:18,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:11:18,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:11:18,321 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:11:18,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:11:18,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:11:18,322 INFO L87 Difference]: Start difference. First operand 21606 states and 29285 transitions. Second operand 3 states. [2019-09-08 17:12:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:12:00,829 INFO L93 Difference]: Finished difference Result 43171 states and 58519 transitions. [2019-09-08 17:12:00,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:12:00,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2019-09-08 17:12:00,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:12:00,933 INFO L225 Difference]: With dead ends: 43171 [2019-09-08 17:12:00,933 INFO L226 Difference]: Without dead ends: 21603 [2019-09-08 17:12:01,015 INFO L628 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 [2019-09-08 17:12:01,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21603 states. [2019-09-08 17:12:01,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21603 to 21599. [2019-09-08 17:12:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21599 states. [2019-09-08 17:12:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21599 states to 21599 states and 29274 transitions. [2019-09-08 17:12:01,924 INFO L78 Accepts]: Start accepts. Automaton has 21599 states and 29274 transitions. Word has length 272 [2019-09-08 17:12:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:12:01,925 INFO L475 AbstractCegarLoop]: Abstraction has 21599 states and 29274 transitions. [2019-09-08 17:12:01,925 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:12:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 21599 states and 29274 transitions. [2019-09-08 17:12:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-09-08 17:12:01,977 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:12:01,978 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:12:01,978 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:12:01,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:12:01,979 INFO L82 PathProgramCache]: Analyzing trace with hash -352108431, now seen corresponding path program 1 times [2019-09-08 17:12:01,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:12:01,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:12:01,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:12:01,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:12:01,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:12:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:12:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2019-09-08 17:12:03,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:12:03,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:12:03,380 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:12:03,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:12:03,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:12:03,381 INFO L87 Difference]: Start difference. First operand 21599 states and 29274 transitions. Second operand 6 states. [2019-09-08 17:12:54,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:12:54,135 INFO L93 Difference]: Finished difference Result 38619 states and 52337 transitions. [2019-09-08 17:12:54,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:12:54,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 345 [2019-09-08 17:12:54,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:12:54,227 INFO L225 Difference]: With dead ends: 38619 [2019-09-08 17:12:54,227 INFO L226 Difference]: Without dead ends: 17062 [2019-09-08 17:12:54,294 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:12:54,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17062 states. [2019-09-08 17:12:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17062 to 17062. [2019-09-08 17:12:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17062 states. [2019-09-08 17:12:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17062 states to 17062 states and 22859 transitions. [2019-09-08 17:12:54,946 INFO L78 Accepts]: Start accepts. Automaton has 17062 states and 22859 transitions. Word has length 345 [2019-09-08 17:12:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:12:54,949 INFO L475 AbstractCegarLoop]: Abstraction has 17062 states and 22859 transitions. [2019-09-08 17:12:54,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:12:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 17062 states and 22859 transitions. [2019-09-08 17:12:55,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2019-09-08 17:12:55,041 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:12:55,042 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 10, 10, 9, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:12:55,042 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:12:55,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:12:55,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1744775336, now seen corresponding path program 1 times [2019-09-08 17:12:55,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:12:55,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:12:55,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:12:55,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:12:55,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:12:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:12:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2019-09-08 17:12:56,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:12:56,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:12:56,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:12:56,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:12:56,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:12:56,830 INFO L87 Difference]: Start difference. First operand 17062 states and 22859 transitions. Second operand 5 states. [2019-09-08 17:12:57,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:12:57,230 INFO L93 Difference]: Finished difference Result 34082 states and 45896 transitions. [2019-09-08 17:12:57,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:12:57,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 567 [2019-09-08 17:12:57,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:12:57,321 INFO L225 Difference]: With dead ends: 34082 [2019-09-08 17:12:57,321 INFO L226 Difference]: Without dead ends: 17062 [2019-09-08 17:12:57,369 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:12:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17062 states. [2019-09-08 17:12:57,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17062 to 17062. [2019-09-08 17:12:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17062 states. [2019-09-08 17:12:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17062 states to 17062 states and 22847 transitions. [2019-09-08 17:12:57,979 INFO L78 Accepts]: Start accepts. Automaton has 17062 states and 22847 transitions. Word has length 567 [2019-09-08 17:12:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:12:57,980 INFO L475 AbstractCegarLoop]: Abstraction has 17062 states and 22847 transitions. [2019-09-08 17:12:57,980 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:12:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 17062 states and 22847 transitions. [2019-09-08 17:12:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2019-09-08 17:12:58,052 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:12:58,053 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 10, 10, 9, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:12:58,053 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:12:58,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:12:58,054 INFO L82 PathProgramCache]: Analyzing trace with hash 306208662, now seen corresponding path program 1 times [2019-09-08 17:12:58,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:12:58,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:12:58,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:12:58,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:12:58,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:12:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:13:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2019-09-08 17:13:00,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:13:00,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:13:00,106 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:13:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:13:00,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:13:00,107 INFO L87 Difference]: Start difference. First operand 17062 states and 22847 transitions. Second operand 3 states. [2019-09-08 17:13:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:13:00,464 INFO L93 Difference]: Finished difference Result 34130 states and 45992 transitions. [2019-09-08 17:13:00,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:13:00,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 567 [2019-09-08 17:13:00,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:13:00,550 INFO L225 Difference]: With dead ends: 34130 [2019-09-08 17:13:00,551 INFO L226 Difference]: Without dead ends: 17110 [2019-09-08 17:13:00,602 INFO L628 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 [2019-09-08 17:13:00,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17110 states. [2019-09-08 17:13:01,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17110 to 17074. [2019-09-08 17:13:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17074 states. [2019-09-08 17:13:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17074 states to 17074 states and 22859 transitions. [2019-09-08 17:13:01,179 INFO L78 Accepts]: Start accepts. Automaton has 17074 states and 22859 transitions. Word has length 567 [2019-09-08 17:13:01,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:13:01,185 INFO L475 AbstractCegarLoop]: Abstraction has 17074 states and 22859 transitions. [2019-09-08 17:13:01,185 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:13:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 17074 states and 22859 transitions. [2019-09-08 17:13:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2019-09-08 17:13:01,249 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:13:01,250 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 11, 11, 8, 8, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:13:01,250 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:13:01,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:13:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1674887839, now seen corresponding path program 1 times [2019-09-08 17:13:01,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:13:01,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:13:01,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:13:01,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:13:01,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:13:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:13:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2019-09-08 17:13:02,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:13:02,463 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:13:02,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:13:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 17:13:39,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:13:39,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 17:13:39,788 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:13:39,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:13:39,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:13:39,789 INFO L87 Difference]: Start difference. First operand 17074 states and 22859 transitions. Second operand 6 states. [2019-09-08 17:14:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:14:34,755 INFO L93 Difference]: Finished difference Result 54107 states and 72473 transitions. [2019-09-08 17:14:34,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 17:14:34,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 573 [2019-09-08 17:14:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:14:34,930 INFO L225 Difference]: With dead ends: 54107 [2019-09-08 17:14:34,930 INFO L226 Difference]: Without dead ends: 37075 [2019-09-08 17:14:34,997 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:14:35,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37075 states. [2019-09-08 17:14:36,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37075 to 36980. [2019-09-08 17:14:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36980 states. [2019-09-08 17:14:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36980 states to 36980 states and 49525 transitions. [2019-09-08 17:14:36,206 INFO L78 Accepts]: Start accepts. Automaton has 36980 states and 49525 transitions. Word has length 573 [2019-09-08 17:14:36,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:14:36,207 INFO L475 AbstractCegarLoop]: Abstraction has 36980 states and 49525 transitions. [2019-09-08 17:14:36,207 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:14:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 36980 states and 49525 transitions. [2019-09-08 17:14:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2019-09-08 17:14:36,291 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:14:36,291 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 11, 11, 9, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:14:36,292 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:14:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:14:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash -917252661, now seen corresponding path program 1 times [2019-09-08 17:14:36,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:14:36,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:14:36,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:14:36,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:14:36,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:14:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:14:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2019-09-08 17:14:37,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:14:37,954 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:14:37,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:15:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 17:15:16,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:15:16,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-09-08 17:15:16,292 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 17:15:16,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 17:15:16,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 17:15:16,292 INFO L87 Difference]: Start difference. First operand 36980 states and 49525 transitions. Second operand 4 states. [2019-09-08 17:15:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:15:16,921 INFO L93 Difference]: Finished difference Result 74114 states and 99856 transitions. [2019-09-08 17:15:16,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 17:15:16,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 574 [2019-09-08 17:15:16,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:15:17,097 INFO L225 Difference]: With dead ends: 74114 [2019-09-08 17:15:17,097 INFO L226 Difference]: Without dead ends: 37176 [2019-09-08 17:15:17,203 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 17:15:17,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37176 states. [2019-09-08 17:15:18,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37176 to 37092. [2019-09-08 17:15:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37092 states. [2019-09-08 17:15:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37092 states to 37092 states and 49665 transitions. [2019-09-08 17:15:18,754 INFO L78 Accepts]: Start accepts. Automaton has 37092 states and 49665 transitions. Word has length 574 [2019-09-08 17:15:18,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:15:18,755 INFO L475 AbstractCegarLoop]: Abstraction has 37092 states and 49665 transitions. [2019-09-08 17:15:18,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 17:15:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 37092 states and 49665 transitions. [2019-09-08 17:15:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-09-08 17:15:18,821 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:15:18,821 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 12, 12, 9, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:15:18,822 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:15:18,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:15:18,822 INFO L82 PathProgramCache]: Analyzing trace with hash -751965706, now seen corresponding path program 2 times [2019-09-08 17:15:18,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:15:18,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:15:18,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:15:18,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:15:18,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:15:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:15:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2019-09-08 17:15:21,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:15:21,047 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:15:21,068 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 17:15:53,076 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 17:15:53,076 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:15:53,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 12455 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 17:15:53,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:15:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2019-09-08 17:15:54,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:15:54,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2019-09-08 17:15:54,195 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:15:54,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:15:54,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:15:54,196 INFO L87 Difference]: Start difference. First operand 37092 states and 49665 transitions. Second operand 6 states. [2019-09-08 17:15:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:15:55,392 INFO L93 Difference]: Finished difference Result 74154 states and 99295 transitions. [2019-09-08 17:15:55,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 17:15:55,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 581 [2019-09-08 17:15:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:15:55,617 INFO L225 Difference]: With dead ends: 74154 [2019-09-08 17:15:55,617 INFO L226 Difference]: Without dead ends: 37093 [2019-09-08 17:15:55,750 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:15:55,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37093 states. [2019-09-08 17:15:57,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37093 to 37093. [2019-09-08 17:15:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37093 states. [2019-09-08 17:15:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37093 states to 37093 states and 49666 transitions. [2019-09-08 17:15:57,981 INFO L78 Accepts]: Start accepts. Automaton has 37093 states and 49666 transitions. Word has length 581 [2019-09-08 17:15:57,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:15:57,982 INFO L475 AbstractCegarLoop]: Abstraction has 37093 states and 49666 transitions. [2019-09-08 17:15:57,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:15:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 37093 states and 49666 transitions. [2019-09-08 17:15:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2019-09-08 17:15:58,068 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:15:58,069 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 12, 12, 9, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:15:58,069 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:15:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:15:58,069 INFO L82 PathProgramCache]: Analyzing trace with hash 940582818, now seen corresponding path program 1 times [2019-09-08 17:15:58,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:15:58,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:15:58,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:15:58,081 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:15:58,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:15:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:16:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2019-09-08 17:16:00,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:16:00,112 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:16:00,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:16:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 17:16:35,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:16:35,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-08 17:16:35,183 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:16:35,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:16:35,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:16:35,184 INFO L87 Difference]: Start difference. First operand 37093 states and 49666 transitions. Second operand 5 states. [2019-09-08 17:16:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:16:35,953 INFO L93 Difference]: Finished difference Result 74339 states and 100137 transitions. [2019-09-08 17:16:35,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:16:35,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 584 [2019-09-08 17:16:35,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:16:36,110 INFO L225 Difference]: With dead ends: 74339 [2019-09-08 17:16:36,111 INFO L226 Difference]: Without dead ends: 37289 [2019-09-08 17:16:36,210 INFO L628 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 [2019-09-08 17:16:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37289 states. [2019-09-08 17:16:37,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37289 to 37205. [2019-09-08 17:16:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37205 states. [2019-09-08 17:16:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37205 states to 37205 states and 49806 transitions. [2019-09-08 17:16:37,575 INFO L78 Accepts]: Start accepts. Automaton has 37205 states and 49806 transitions. Word has length 584 [2019-09-08 17:16:37,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:16:37,577 INFO L475 AbstractCegarLoop]: Abstraction has 37205 states and 49806 transitions. [2019-09-08 17:16:37,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:16:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 37205 states and 49806 transitions. [2019-09-08 17:16:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2019-09-08 17:16:37,690 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:16:37,691 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 13, 13, 9, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:16:37,691 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:16:37,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:16:37,692 INFO L82 PathProgramCache]: Analyzing trace with hash 373368895, now seen corresponding path program 2 times [2019-09-08 17:16:37,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:16:37,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:16:37,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:16:37,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:16:37,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:16:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:16:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2019-09-08 17:16:40,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:16:40,155 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:16:40,186 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 17:17:13,857 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 17:17:13,857 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:17:14,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 12498 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 17:17:14,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:17:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 322 proven. 1 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2019-09-08 17:17:14,946 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:17:14,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-08 17:17:14,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:17:14,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:17:14,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:17:14,949 INFO L87 Difference]: Start difference. First operand 37205 states and 49806 transitions. Second operand 9 states. [2019-09-08 17:17:16,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:17:16,011 INFO L93 Difference]: Finished difference Result 74576 states and 100435 transitions. [2019-09-08 17:17:16,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 17:17:16,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 591 [2019-09-08 17:17:16,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:17:16,139 INFO L225 Difference]: With dead ends: 74576 [2019-09-08 17:17:16,139 INFO L226 Difference]: Without dead ends: 37402 [2019-09-08 17:17:16,217 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:17:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37402 states. [2019-09-08 17:17:17,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37402 to 37318. [2019-09-08 17:17:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37318 states. [2019-09-08 17:17:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37318 states to 37318 states and 49947 transitions. [2019-09-08 17:17:17,476 INFO L78 Accepts]: Start accepts. Automaton has 37318 states and 49947 transitions. Word has length 591 [2019-09-08 17:17:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:17:17,477 INFO L475 AbstractCegarLoop]: Abstraction has 37318 states and 49947 transitions. [2019-09-08 17:17:17,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:17:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 37318 states and 49947 transitions. [2019-09-08 17:17:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2019-09-08 17:17:17,588 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:17:17,589 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 14, 14, 9, 9, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:17:17,590 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:17:17,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:17:17,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1359776726, now seen corresponding path program 3 times [2019-09-08 17:17:17,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:17:17,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:17:17,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:17:17,596 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:17:17,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:17:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:17:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2019-09-08 17:17:19,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:17:19,530 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:17:19,551 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 17:20:54,474 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2019-09-08 17:20:54,475 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:20:55,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 12409 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 17:20:55,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:20:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 330 proven. 3 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Forcibly destroying the process [2019-09-08 17:20:56,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:20:56,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-09-08 17:20:56,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 17:20:56,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 17:20:56,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:20:56,273 INFO L87 Difference]: Start difference. First operand 37318 states and 49947 transitions. Second operand 10 states. [2019-09-08 17:20:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:20:57,199 INFO L93 Difference]: Finished difference Result 74606 states and 99859 transitions. [2019-09-08 17:20:57,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 17:20:57,199 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 601 [2019-09-08 17:20:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:20:57,309 INFO L225 Difference]: With dead ends: 74606 [2019-09-08 17:20:57,310 INFO L226 Difference]: Without dead ends: 37319 [2019-09-08 17:20:57,771 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:20:57,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37319 states. [2019-09-08 17:20:58,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37319 to 37319. [2019-09-08 17:20:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37319 states. [2019-09-08 17:20:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37319 states to 37319 states and 49948 transitions. [2019-09-08 17:20:58,873 INFO L78 Accepts]: Start accepts. Automaton has 37319 states and 49948 transitions. Word has length 601 [2019-09-08 17:20:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:20:58,874 INFO L475 AbstractCegarLoop]: Abstraction has 37319 states and 49948 transitions. [2019-09-08 17:20:58,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 17:20:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 37319 states and 49948 transitions. [2019-09-08 17:20:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2019-09-08 17:20:58,960 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:20:58,960 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 14, 14, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:20:58,961 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:20:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:20:58,961 INFO L82 PathProgramCache]: Analyzing trace with hash -934952318, now seen corresponding path program 4 times [2019-09-08 17:20:58,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:20:58,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:20:58,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:20:58,964 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:20:58,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:20:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:21:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2019-09-08 17:21:00,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:21:00,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:21:00,344 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:21:00,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:21:00,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:21:00,344 INFO L87 Difference]: Start difference. First operand 37319 states and 49948 transitions. Second operand 3 states. [2019-09-08 17:21:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:21:00,972 INFO L93 Difference]: Finished difference Result 74629 states and 100333 transitions. [2019-09-08 17:21:00,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:21:00,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 604 [2019-09-08 17:21:00,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:21:01,161 INFO L225 Difference]: With dead ends: 74629 [2019-09-08 17:21:01,161 INFO L226 Difference]: Without dead ends: 37355 [2019-09-08 17:21:01,718 INFO L628 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 [2019-09-08 17:21:01,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37355 states. [2019-09-08 17:21:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37355 to 37337. [2019-09-08 17:21:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37337 states. [2019-09-08 17:21:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37337 states to 37337 states and 49966 transitions. [2019-09-08 17:21:02,654 INFO L78 Accepts]: Start accepts. Automaton has 37337 states and 49966 transitions. Word has length 604 [2019-09-08 17:21:02,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:21:02,655 INFO L475 AbstractCegarLoop]: Abstraction has 37337 states and 49966 transitions. [2019-09-08 17:21:02,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:21:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37337 states and 49966 transitions. [2019-09-08 17:21:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2019-09-08 17:21:02,750 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:21:02,751 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 14, 14, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:21:02,751 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:21:02,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:21:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1833337786, now seen corresponding path program 1 times [2019-09-08 17:21:02,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:21:02,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:21:02,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:21:02,756 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:21:02,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:21:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:21:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2019-09-08 17:21:03,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:21:03,938 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:21:03,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY