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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:30:43,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:30:43,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:30:43,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:30:43,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:30:43,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:30:43,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:30:43,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:30:43,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:30:43,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:30:43,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:30:43,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:30:43,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:30:43,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:30:43,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:30:43,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:30:43,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:30:43,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:30:43,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:30:43,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:30:43,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:30:43,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:30:43,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:30:43,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:30:43,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:30:43,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:30:43,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:30:43,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:30:43,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:30:43,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:30:43,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:30:43,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:30:43,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:30:43,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:30:43,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:30:43,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:30:43,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:30:43,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:30:43,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:30:43,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:30:43,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:30:43,775 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 16:30:43,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:30:43,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:30:43,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:30:43,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:30:43,809 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:30:43,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:30:43,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:30:43,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:30:43,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:30:43,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:30:43,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:30:43,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:30:43,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:30:43,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:30:43,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:30:43,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:30:43,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:30:43,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:30:43,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:30:43,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:30:43,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:30:43,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:30:43,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:30:43,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:30:43,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:30:43,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:30:43,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:30:43,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:30:43,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:30:43,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:30:43,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:30:43,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:30:43,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:30:43,898 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:30:43,898 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2019-09-08 16:30:43,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad78df5c1/5f38697152c34e3baf7b504677e9b5e7/FLAG22e55a485 [2019-09-08 16:30:45,033 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:30:45,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2019-09-08 16:30:45,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad78df5c1/5f38697152c34e3baf7b504677e9b5e7/FLAG22e55a485 [2019-09-08 16:30:45,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad78df5c1/5f38697152c34e3baf7b504677e9b5e7 [2019-09-08 16:30:45,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:30:45,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:30:45,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:30:45,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:30:45,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:30:45,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:30:45" (1/1) ... [2019-09-08 16:30:45,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17062f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:45, skipping insertion in model container [2019-09-08 16:30:45,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:30:45" (1/1) ... [2019-09-08 16:30:45,332 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:30:45,513 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:30:50,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:30:50,104 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:30:50,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:30:51,781 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:30:51,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51 WrapperNode [2019-09-08 16:30:51,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:30:51,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:30:51,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:30:51,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:30:51,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:51,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:51,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:51,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:52,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:52,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:52,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (1/1) ... [2019-09-08 16:30:52,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:30:52,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:30:52,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:30:52,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:30:52,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (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 16:30:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:30:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:30:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 16:30:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-08 16:30:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-08 16:30:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-08 16:30:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-08 16:30:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2019-09-08 16:30:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 16:30:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 16:30:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-09-08 16:30:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 16:30:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-08 16:30:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-09-08 16:30:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-09-08 16:30:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-08 16:30:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-09-08 16:30:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-09-08 16:30:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-09-08 16:30:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-09-08 16:30:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 16:30:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:30:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2019-09-08 16:30:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-08 16:30:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2019-09-08 16:30:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2019-09-08 16:30:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_get_cap_name [2019-09-08 16:30:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_feat_caps_info [2019-09-08 16:30:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_detect_chip_version [2019-09-08 16:30:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2019-09-08 16:30:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2019-09-08 16:30:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2019-09-08 16:30:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2019-09-08 16:30:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2019-09-08 16:30:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2019-09-08 16:30:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2019-09-08 16:30:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2019-09-08 16:30:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2019-09-08 16:30:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_default_rates [2019-09-08 16:30:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2019-09-08 16:30:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2019-09-08 16:30:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2019-09-08 16:30:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2019-09-08 16:30:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2019-09-08 16:30:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2019-09-08 16:30:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2019-09-08 16:30:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2019-09-08 16:30:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2019-09-08 16:30:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_init_ieee80211 [2019-09-08 16:30:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_platform_get_resources [2019-09-08 16:30:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2019-09-08 16:30:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2019-09-08 16:30:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_init [2019-09-08 16:30:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_exit [2019-09-08 16:30:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_5 [2019-09-08 16:30:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_6 [2019-09-08 16:30:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:30:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:30:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:30:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:30:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:30:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-08 16:30:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_12 [2019-09-08 16:30:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_13 [2019-09-08 16:30:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-08 16:30:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-08 16:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 16:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 16:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-08 16:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-08 16:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-08 16:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 16:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-08 16:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-08 16:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-08 16:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-09-08 16:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-09-08 16:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-08 16:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-08 16:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_wake [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_get_next_bd [2019-09-08 16:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2019-09-08 16:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2019-09-08 16:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2019-09-08 16:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2019-09-08 16:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_alloc_ctl_blks [2019-09-08 16:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2019-09-08 16:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2019-09-08 16:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2019-09-08 16:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2019-09-08 16:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2019-09-08 16:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2019-09-08 16:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2019-09-08 16:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_tx_ack_ind [2019-09-08 16:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure reap_tx_dxes [2019-09-08 16:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_irq_tx_complete [2019-09-08 16:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_irq_rx_ready [2019-09-08 16:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_request_irqs [2019-09-08 16:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_rx_handle_packets [2019-09-08 16:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_rx_frame [2019-09-08 16:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_mem_pools [2019-09-08 16:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2019-09-08 16:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_tx_frame [2019-09-08 16:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init [2019-09-08 16:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_deinit [2019-09-08 16:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-09-08 16:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-09-08 16:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-09-08 16:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-08 16:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-08 16:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-08 16:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-08 16:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-09-08 16:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-08 16:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-09-08 16:30:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_20 [2019-09-08 16:30:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-09-08 16:30:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_22 [2019-09-08 16:30:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_23 [2019-09-08 16:30:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_26 [2019-09-08 16:30:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_27 [2019-09-08 16:30:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_28 [2019-09-08 16:30:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_29 [2019-09-08 16:30:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_30 [2019-09-08 16:30:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_31 [2019-09-08 16:30:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_32 [2019-09-08 16:30:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_33 [2019-09-08 16:30:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_req [2019-09-08 16:30:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_nullfunc [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rssi0 [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_rx_skb [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2019-09-08 16:30:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_data [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_mgmt [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start_tx [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_43 [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_44 [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_45 [2019-09-08 16:30:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_46 [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_49 [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cfg_tlv_u32 [2019-09-08 16:30:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_bss_nw_type [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_bss_ht_params [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_ht_params [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_default_ht_params [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2019-09-08 16:30:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_load_nv [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_start_rsp [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_start [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_init_scan [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_start_scan [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_end_scan [2019-09-08 16:30:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_finish_scan [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_switch_channel_rsp [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_switch_channel [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_update_scan_params_rsp [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_update_scan_params [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_sta_self_rsp [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_sta_self [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_sta_self [2019-09-08 16:30:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_sta [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_join_rsp [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_join [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta_rsp [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta_v1 [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2019-09-08 16:30:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss_v1 [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss_rsp [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_beacon [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_update_proberesp_tmpl [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_bsskey [2019-09-08 16:30:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_remove_stakey [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_remove_bsskey [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_enter_bmps [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_exit_bmps [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_keep_alive_req [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_dump_cmd_req [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_feat_caps [2019-09-08 16:30:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_feat_caps [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_feature_caps_exchange [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_del_ba [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_trigger_ba [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_tx_compl_ind [2019-09-08 16:30:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_missed_beacon_ind [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_sta_context_ind [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_update_cfg [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_process [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ind_smd_work [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_open [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_54 [2019-09-08 16:30:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_56 [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_57 [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_60 [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_enable_keep_alive_null_packet [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_65 [2019-09-08 16:30:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_66 [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_67 [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_68 [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_71 [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou32 [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure read_file_bool_bmps [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2019-09-08 16:30:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_debugfs_init [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_debugfs_exit [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_4 [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-09-08 16:30:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_76 [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_77 [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_78 [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_79 [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_82 [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:30:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:30:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 16:30:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-08 16:30:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-09-08 16:30:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get_tim [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_connection_loss [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2019-09-08 16:30:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_proberesp_get [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_report_low_ack [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_start_tx_ba_cb_irqsafe [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_start_tx_ba_session [2019-09-08 16:30:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_tx_ba_cb_irqsafe [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2019-09-08 16:30:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-09-08 16:30:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2019-09-08 16:30:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2019-09-08 16:30:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:30:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:30:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 16:30:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:30:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:30:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:30:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:30:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:30:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-09-08 16:30:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-09-08 16:30:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-08 16:30:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 16:30:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:30:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:30:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:30:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_5 [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_6 [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_4 [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-09-08 16:30:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_12 [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_13 [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2019-09-08 16:30:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get_tim [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_proberesp_get [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_start_tx_ba_session [2019-09-08 16:30:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_start_tx_ba_cb_irqsafe [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_tx_ba_cb_irqsafe [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_open [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_load_nv [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_start [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2019-09-08 16:30:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_init_scan [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_start_scan [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_end_scan [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_finish_scan [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_sta_self [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_sta_self [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_sta [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_join [2019-09-08 16:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_beacon [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_switch_channel [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_update_proberesp_tmpl [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_bsskey [2019-09-08 16:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_remove_stakey [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_remove_bsskey [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_feature_caps_exchange [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_del_ba [2019-09-08 16:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_trigger_ba [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_update_cfg [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start_tx [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_mem_pools [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_alloc_ctl_blks [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2019-09-08 16:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_deinit [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_debugfs_init [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_debugfs_exit [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_default_rates [2019-09-08 16:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_get_cap_name [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_feat_caps_info [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_detect_chip_version [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2019-09-08 16:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2019-09-08 16:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2019-09-08 16:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_init_ieee80211 [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_platform_get_resources [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_init [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_exit [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-08 16:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-08 16:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-09-08 16:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-08 16:30:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_22 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_23 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_26 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_28 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_20 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_27 [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-09-08 16:30:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-08 16:30:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_29 [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_30 [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 16:30:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_31 [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_32 [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_33 [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_wake [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2019-09-08 16:30:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_rx_skb [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_rx_frame [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_tx_frame [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_tx_ack_ind [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_get_next_bd [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2019-09-08 16:30:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2019-09-08 16:30:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure reap_tx_dxes [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_irq_tx_complete [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_irq_rx_ready [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_request_irqs [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_rx_handle_packets [2019-09-08 16:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_44 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_45 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_46 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_49 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_43 [2019-09-08 16:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_req [2019-09-08 16:30:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_nullfunc [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_rssi0 [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_data [2019-09-08 16:30:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_mgmt [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-08 16:30:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 16:30:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_56 [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_57 [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_60 [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_54 [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_report_low_ack [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_connection_loss [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2019-09-08 16:30:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_update_scan_params [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_enter_bmps [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_exit_bmps [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_keep_alive_req [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_dump_cmd_req [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure set_feat_caps [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure clear_feat_caps [2019-09-08 16:30:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure put_cfg_tlv_u32 [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_bss_nw_type [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_bss_ht_params [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_ht_params [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_default_ht_params [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 16:30:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_start_rsp [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_switch_channel_rsp [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_update_scan_params_rsp [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_sta_self_rsp [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_join_rsp [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta_rsp [2019-09-08 16:30:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta_v1 [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss_v1 [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss_rsp [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_tx_compl_ind [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_missed_beacon_ind [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_sta_context_ind [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_process [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ind_smd_work [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 16:30:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_66 [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_67 [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_68 [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_71 [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_65 [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_enable_keep_alive_null_packet [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-08 16:30:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou32 [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_77 [2019-09-08 16:30:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_78 [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_79 [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_82 [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_76 [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-09-08 16:30:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure read_file_bool_bmps [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:30:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:30:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:30:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:30:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:30:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:30:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:30:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:31:00,187 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:33:22,410 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:33:22,410 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 16:33:22,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:33:22 BoogieIcfgContainer [2019-09-08 16:33:22,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:33:22,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:33:22,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:33:22,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:33:22,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:30:45" (1/3) ... [2019-09-08 16:33:22,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4677dae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:33:22, skipping insertion in model container [2019-09-08 16:33:22,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:51" (2/3) ... [2019-09-08 16:33:22,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4677dae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:33:22, skipping insertion in model container [2019-09-08 16:33:22,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:33:22" (3/3) ... [2019-09-08 16:33:22,422 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2019-09-08 16:33:22,432 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:33:22,445 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:33:22,462 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:33:22,504 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:33:22,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:33:22,505 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:33:22,505 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:33:22,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:33:22,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:33:22,506 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:33:22,506 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:33:22,506 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:33:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3772 states. [2019-09-08 16:33:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-08 16:33:22,607 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:22,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:33:22,611 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:22,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:22,616 INFO L82 PathProgramCache]: Analyzing trace with hash 288881007, now seen corresponding path program 1 times [2019-09-08 16:33:22,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:22,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:22,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:22,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:22,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:24,190 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 16:33:24,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:24,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:24,198 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:24,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:24,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:24,216 INFO L87 Difference]: Start difference. First operand 3772 states. Second operand 3 states. [2019-09-08 16:33:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:28,815 INFO L93 Difference]: Finished difference Result 9704 states and 13312 transitions. [2019-09-08 16:33:28,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:28,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-09-08 16:33:28,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:28,904 INFO L225 Difference]: With dead ends: 9704 [2019-09-08 16:33:28,904 INFO L226 Difference]: Without dead ends: 6427 [2019-09-08 16:33:28,935 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 16:33:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6427 states. [2019-09-08 16:33:29,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6427 to 6427. [2019-09-08 16:33:29,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6427 states. [2019-09-08 16:33:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 8766 transitions. [2019-09-08 16:33:29,529 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 8766 transitions. Word has length 104 [2019-09-08 16:33:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:29,530 INFO L475 AbstractCegarLoop]: Abstraction has 6427 states and 8766 transitions. [2019-09-08 16:33:29,530 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:33:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 8766 transitions. [2019-09-08 16:33:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-09-08 16:33:29,547 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:29,548 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 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 16:33:29,548 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:29,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:29,549 INFO L82 PathProgramCache]: Analyzing trace with hash 292392892, now seen corresponding path program 1 times [2019-09-08 16:33:29,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:29,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:29,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:29,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:29,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-09-08 16:33:30,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:30,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:33:30,387 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:33:30,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:33:30,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:33:30,388 INFO L87 Difference]: Start difference. First operand 6427 states and 8766 transitions. Second operand 5 states. [2019-09-08 16:33:32,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:32,785 INFO L93 Difference]: Finished difference Result 12820 states and 17487 transitions. [2019-09-08 16:33:32,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:33:32,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2019-09-08 16:33:32,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:32,835 INFO L225 Difference]: With dead ends: 12820 [2019-09-08 16:33:32,835 INFO L226 Difference]: Without dead ends: 6426 [2019-09-08 16:33:32,867 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:33:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6426 states. [2019-09-08 16:33:33,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6426 to 6426. [2019-09-08 16:33:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6426 states. [2019-09-08 16:33:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6426 states to 6426 states and 8762 transitions. [2019-09-08 16:33:33,234 INFO L78 Accepts]: Start accepts. Automaton has 6426 states and 8762 transitions. Word has length 119 [2019-09-08 16:33:33,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:33,235 INFO L475 AbstractCegarLoop]: Abstraction has 6426 states and 8762 transitions. [2019-09-08 16:33:33,235 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:33:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6426 states and 8762 transitions. [2019-09-08 16:33:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-08 16:33:33,259 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:33,260 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:33,260 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:33,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:33,260 INFO L82 PathProgramCache]: Analyzing trace with hash -488558255, now seen corresponding path program 1 times [2019-09-08 16:33:33,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:33,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:33,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:33,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:33,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2019-09-08 16:33:34,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:34,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:33:34,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:33:34,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:33:34,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:33:34,069 INFO L87 Difference]: Start difference. First operand 6426 states and 8762 transitions. Second operand 6 states. [2019-09-08 16:33:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:45,563 INFO L93 Difference]: Finished difference Result 19217 states and 26278 transitions. [2019-09-08 16:33:45,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:33:45,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2019-09-08 16:33:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:45,653 INFO L225 Difference]: With dead ends: 19217 [2019-09-08 16:33:45,653 INFO L226 Difference]: Without dead ends: 12803 [2019-09-08 16:33:45,689 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:33:45,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12803 states. [2019-09-08 16:33:46,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12803 to 12803. [2019-09-08 16:33:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12803 states. [2019-09-08 16:33:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12803 states to 12803 states and 17511 transitions. [2019-09-08 16:33:46,347 INFO L78 Accepts]: Start accepts. Automaton has 12803 states and 17511 transitions. Word has length 196 [2019-09-08 16:33:46,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:46,348 INFO L475 AbstractCegarLoop]: Abstraction has 12803 states and 17511 transitions. [2019-09-08 16:33:46,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:33:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 12803 states and 17511 transitions. [2019-09-08 16:33:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-09-08 16:33:46,406 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:46,406 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 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] [2019-09-08 16:33:46,407 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:46,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:46,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2056445455, now seen corresponding path program 1 times [2019-09-08 16:33:46,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:46,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:46,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:46,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:46,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2019-09-08 16:33:47,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:47,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:47,221 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:47,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:47,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:47,223 INFO L87 Difference]: Start difference. First operand 12803 states and 17511 transitions. Second operand 3 states. [2019-09-08 16:33:52,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:52,949 INFO L93 Difference]: Finished difference Result 37721 states and 51557 transitions. [2019-09-08 16:33:52,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:52,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2019-09-08 16:33:52,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:53,132 INFO L225 Difference]: With dead ends: 37721 [2019-09-08 16:33:53,133 INFO L226 Difference]: Without dead ends: 24951 [2019-09-08 16:33:53,215 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 16:33:53,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24951 states. [2019-09-08 16:33:54,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24951 to 24925. [2019-09-08 16:33:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24925 states. [2019-09-08 16:33:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24925 states to 24925 states and 33884 transitions. [2019-09-08 16:33:54,657 INFO L78 Accepts]: Start accepts. Automaton has 24925 states and 33884 transitions. Word has length 268 [2019-09-08 16:33:54,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:54,659 INFO L475 AbstractCegarLoop]: Abstraction has 24925 states and 33884 transitions. [2019-09-08 16:33:54,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:33:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 24925 states and 33884 transitions. [2019-09-08 16:33:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-09-08 16:33:54,762 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:54,762 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 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] [2019-09-08 16:33:54,763 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:54,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:54,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1851980815, now seen corresponding path program 2 times [2019-09-08 16:33:54,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:54,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:54,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:54,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:54,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2019-09-08 16:33:55,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:55,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:55,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:55,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:55,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:55,662 INFO L87 Difference]: Start difference. First operand 24925 states and 33884 transitions. Second operand 3 states. [2019-09-08 16:33:59,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:59,273 INFO L93 Difference]: Finished difference Result 43209 states and 58278 transitions. [2019-09-08 16:33:59,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:59,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2019-09-08 16:33:59,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:59,347 INFO L225 Difference]: With dead ends: 43209 [2019-09-08 16:33:59,347 INFO L226 Difference]: Without dead ends: 18317 [2019-09-08 16:33:59,427 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 16:33:59,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18317 states. [2019-09-08 16:34:00,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18317 to 18291. [2019-09-08 16:34:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18291 states. [2019-09-08 16:34:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18291 states to 18291 states and 24408 transitions. [2019-09-08 16:34:00,302 INFO L78 Accepts]: Start accepts. Automaton has 18291 states and 24408 transitions. Word has length 268 [2019-09-08 16:34:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:00,302 INFO L475 AbstractCegarLoop]: Abstraction has 18291 states and 24408 transitions. [2019-09-08 16:34:00,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:34:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 18291 states and 24408 transitions. [2019-09-08 16:34:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-09-08 16:34:00,331 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:00,331 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 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] [2019-09-08 16:34:00,332 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:00,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:00,332 INFO L82 PathProgramCache]: Analyzing trace with hash 828305393, now seen corresponding path program 1 times [2019-09-08 16:34:00,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:00,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:00,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:00,340 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:34:00,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2019-09-08 16:34:00,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:34:00,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:34:00,976 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:34:00,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:34:00,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:34:00,977 INFO L87 Difference]: Start difference. First operand 18291 states and 24408 transitions. Second operand 3 states. [2019-09-08 16:34:01,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:34:01,306 INFO L93 Difference]: Finished difference Result 26063 states and 34848 transitions. [2019-09-08 16:34:01,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:34:01,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2019-09-08 16:34:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:34:01,401 INFO L225 Difference]: With dead ends: 26063 [2019-09-08 16:34:01,402 INFO L226 Difference]: Without dead ends: 18299 [2019-09-08 16:34:01,431 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 16:34:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18299 states. [2019-09-08 16:34:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18299 to 18295. [2019-09-08 16:34:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18295 states. [2019-09-08 16:34:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18295 states to 18295 states and 24412 transitions. [2019-09-08 16:34:03,339 INFO L78 Accepts]: Start accepts. Automaton has 18295 states and 24412 transitions. Word has length 268 [2019-09-08 16:34:03,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:03,341 INFO L475 AbstractCegarLoop]: Abstraction has 18295 states and 24412 transitions. [2019-09-08 16:34:03,341 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:34:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18295 states and 24412 transitions. [2019-09-08 16:34:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-09-08 16:34:03,373 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:03,373 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 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] [2019-09-08 16:34:03,374 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:03,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1421777010, now seen corresponding path program 1 times [2019-09-08 16:34:03,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:03,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:03,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:03,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:34:03,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-09-08 16:34:04,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:34:04,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:34:04,232 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:34:04,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:34:04,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:34:04,232 INFO L87 Difference]: Start difference. First operand 18295 states and 24412 transitions. Second operand 4 states. [2019-09-08 16:34:05,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:34:05,209 INFO L93 Difference]: Finished difference Result 36586 states and 49713 transitions. [2019-09-08 16:34:05,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 16:34:05,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2019-09-08 16:34:05,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:34:05,304 INFO L225 Difference]: With dead ends: 36586 [2019-09-08 16:34:05,305 INFO L226 Difference]: Without dead ends: 18319 [2019-09-08 16:34:05,373 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 16:34:05,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18319 states. [2019-09-08 16:34:06,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18319 to 18319. [2019-09-08 16:34:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18319 states. [2019-09-08 16:34:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18319 states to 18319 states and 24632 transitions. [2019-09-08 16:34:06,343 INFO L78 Accepts]: Start accepts. Automaton has 18319 states and 24632 transitions. Word has length 270 [2019-09-08 16:34:06,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:06,344 INFO L475 AbstractCegarLoop]: Abstraction has 18319 states and 24632 transitions. [2019-09-08 16:34:06,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:34:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 18319 states and 24632 transitions. [2019-09-08 16:34:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-09-08 16:34:06,368 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:06,368 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 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] [2019-09-08 16:34:06,369 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:06,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash -916896894, now seen corresponding path program 1 times [2019-09-08 16:34:06,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:06,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:06,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:06,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:34:06,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2019-09-08 16:34:07,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:34:07,023 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 16:34:07,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:34:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:10,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 8356 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 16:34:10,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:34:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 245 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 16:34:10,985 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:34:10,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-09-08 16:34:10,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:34:10,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:34:10,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:34:10,987 INFO L87 Difference]: Start difference. First operand 18319 states and 24632 transitions. Second operand 6 states. [2019-09-08 16:34:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:34:12,107 INFO L93 Difference]: Finished difference Result 36634 states and 50153 transitions. [2019-09-08 16:34:12,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:34:12,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 274 [2019-09-08 16:34:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:34:12,250 INFO L225 Difference]: With dead ends: 36634 [2019-09-08 16:34:12,250 INFO L226 Difference]: Without dead ends: 18343 [2019-09-08 16:34:12,355 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:34:12,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18343 states. [2019-09-08 16:34:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18343 to 18327. [2019-09-08 16:34:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18327 states. [2019-09-08 16:34:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18327 states to 18327 states and 24648 transitions. [2019-09-08 16:34:13,417 INFO L78 Accepts]: Start accepts. Automaton has 18327 states and 24648 transitions. Word has length 274 [2019-09-08 16:34:13,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:13,417 INFO L475 AbstractCegarLoop]: Abstraction has 18327 states and 24648 transitions. [2019-09-08 16:34:13,417 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:34:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18327 states and 24648 transitions. [2019-09-08 16:34:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-08 16:34:13,461 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:13,461 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 8, 4, 4, 4, 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] [2019-09-08 16:34:13,461 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:13,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:13,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1710660466, now seen corresponding path program 2 times [2019-09-08 16:34:13,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:13,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:13,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:34:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:14,211 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2019-09-08 16:34:14,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:34:14,212 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 16:34:14,276 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:34:29,271 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:34:29,272 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:34:29,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 8380 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 16:34:29,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:34:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 260 proven. 3 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-08 16:34:29,998 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:34:29,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-09-08 16:34:30,000 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:34:30,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:34:30,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:34:30,001 INFO L87 Difference]: Start difference. First operand 18327 states and 24648 transitions. Second operand 7 states. [2019-09-08 16:34:31,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:34:31,001 INFO L93 Difference]: Finished difference Result 36666 states and 50389 transitions. [2019-09-08 16:34:31,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:34:31,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2019-09-08 16:34:31,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:34:31,099 INFO L225 Difference]: With dead ends: 36666 [2019-09-08 16:34:31,099 INFO L226 Difference]: Without dead ends: 18367 [2019-09-08 16:34:31,170 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-09-08 16:34:31,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18367 states. [2019-09-08 16:34:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18367 to 18335. [2019-09-08 16:34:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18335 states. [2019-09-08 16:34:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18335 states to 18335 states and 24664 transitions. [2019-09-08 16:34:32,075 INFO L78 Accepts]: Start accepts. Automaton has 18335 states and 24664 transitions. Word has length 278 [2019-09-08 16:34:32,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:32,075 INFO L475 AbstractCegarLoop]: Abstraction has 18335 states and 24664 transitions. [2019-09-08 16:34:32,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:34:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 18335 states and 24664 transitions. [2019-09-08 16:34:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-09-08 16:34:32,096 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:32,096 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 12, 4, 4, 4, 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] [2019-09-08 16:34:32,096 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:32,097 INFO L82 PathProgramCache]: Analyzing trace with hash 134273922, now seen corresponding path program 3 times [2019-09-08 16:34:32,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:32,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:32,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:32,104 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:34:32,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2019-09-08 16:34:32,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:34:32,778 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 16:34:32,820 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 16:35:12,250 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-09-08 16:35:12,250 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:35:13,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 7667 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 16:35:13,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:35:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2019-09-08 16:35:13,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:35:13,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-09-08 16:35:13,607 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:35:13,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:35:13,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:35:13,608 INFO L87 Difference]: Start difference. First operand 18335 states and 24664 transitions. Second operand 8 states. [2019-09-08 16:35:14,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:35:14,535 INFO L93 Difference]: Finished difference Result 36698 states and 50625 transitions. [2019-09-08 16:35:14,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 16:35:14,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 282 [2019-09-08 16:35:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:35:14,639 INFO L225 Difference]: With dead ends: 36698 [2019-09-08 16:35:14,640 INFO L226 Difference]: Without dead ends: 18391 [2019-09-08 16:35:14,730 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:35:14,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18391 states. [2019-09-08 16:35:15,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18391 to 18343. [2019-09-08 16:35:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18343 states. [2019-09-08 16:35:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18343 states to 18343 states and 24680 transitions. [2019-09-08 16:35:15,612 INFO L78 Accepts]: Start accepts. Automaton has 18343 states and 24680 transitions. Word has length 282 [2019-09-08 16:35:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:35:15,612 INFO L475 AbstractCegarLoop]: Abstraction has 18343 states and 24680 transitions. [2019-09-08 16:35:15,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:35:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 18343 states and 24680 transitions. [2019-09-08 16:35:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-09-08 16:35:15,635 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:35:15,636 INFO L399 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 4, 4, 4, 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] [2019-09-08 16:35:15,636 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:35:15,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:35:15,636 INFO L82 PathProgramCache]: Analyzing trace with hash 2083151474, now seen corresponding path program 4 times [2019-09-08 16:35:15,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:35:15,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:35:15,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:15,643 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:35:15,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:35:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2019-09-08 16:35:16,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:35:16,248 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 16:35:16,287 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 16:35:16,916 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 16:35:16,916 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:35:16,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 3793 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 16:35:16,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:35:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 233 proven. 84 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2019-09-08 16:35:17,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:35:17,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-09-08 16:35:17,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 16:35:17,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 16:35:17,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:35:17,114 INFO L87 Difference]: Start difference. First operand 18343 states and 24680 transitions. Second operand 12 states. [2019-09-08 16:36:56,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:56,000 INFO L93 Difference]: Finished difference Result 37832 states and 52538 transitions. [2019-09-08 16:36:56,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-09-08 16:36:56,001 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2019-09-08 16:36:56,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:56,089 INFO L225 Difference]: With dead ends: 37832 [2019-09-08 16:36:56,089 INFO L226 Difference]: Without dead ends: 19517 [2019-09-08 16:36:56,139 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2019-09-08 16:36:56,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19517 states. [2019-09-08 16:36:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19517 to 18845. [2019-09-08 16:36:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18845 states. [2019-09-08 16:36:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18845 states to 18845 states and 25417 transitions. [2019-09-08 16:36:56,962 INFO L78 Accepts]: Start accepts. Automaton has 18845 states and 25417 transitions. Word has length 286 [2019-09-08 16:36:56,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:56,963 INFO L475 AbstractCegarLoop]: Abstraction has 18845 states and 25417 transitions. [2019-09-08 16:36:56,963 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 16:36:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand 18845 states and 25417 transitions. [2019-09-08 16:36:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2019-09-08 16:36:56,998 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:56,999 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:56,999 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:57,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1850422395, now seen corresponding path program 1 times [2019-09-08 16:36:57,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:57,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:57,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:57,006 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:36:57,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2839 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2019-09-08 16:36:58,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:58,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:36:58,675 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:36:58,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:36:58,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:36:58,675 INFO L87 Difference]: Start difference. First operand 18845 states and 25417 transitions. Second operand 5 states. [2019-09-08 16:37:00,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:00,217 INFO L93 Difference]: Finished difference Result 37683 states and 50920 transitions. [2019-09-08 16:37:00,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:00,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1032 [2019-09-08 16:37:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:00,278 INFO L225 Difference]: With dead ends: 37683 [2019-09-08 16:37:00,278 INFO L226 Difference]: Without dead ends: 18877 [2019-09-08 16:37:00,318 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 16:37:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18877 states. [2019-09-08 16:37:00,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18877 to 18877. [2019-09-08 16:37:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18877 states. [2019-09-08 16:37:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18877 states to 18877 states and 25473 transitions. [2019-09-08 16:37:01,448 INFO L78 Accepts]: Start accepts. Automaton has 18877 states and 25473 transitions. Word has length 1032 [2019-09-08 16:37:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:01,449 INFO L475 AbstractCegarLoop]: Abstraction has 18877 states and 25473 transitions. [2019-09-08 16:37:01,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 18877 states and 25473 transitions. [2019-09-08 16:37:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2019-09-08 16:37:01,482 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:01,483 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:01,484 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:01,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1908408426, now seen corresponding path program 1 times [2019-09-08 16:37:01,485 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:01,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:01,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:01,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:01,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2839 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2019-09-08 16:37:02,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:02,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:37:02,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:37:02,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:37:02,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:37:02,858 INFO L87 Difference]: Start difference. First operand 18877 states and 25473 transitions. Second operand 6 states. [2019-09-08 16:37:03,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:03,296 INFO L93 Difference]: Finished difference Result 37815 states and 51108 transitions. [2019-09-08 16:37:03,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:37:03,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1031 [2019-09-08 16:37:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:03,366 INFO L225 Difference]: With dead ends: 37815 [2019-09-08 16:37:03,366 INFO L226 Difference]: Without dead ends: 18977 [2019-09-08 16:37:03,411 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:37:03,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18977 states. [2019-09-08 16:37:04,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18977 to 18925. [2019-09-08 16:37:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18925 states. [2019-09-08 16:37:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18925 states to 18925 states and 25529 transitions. [2019-09-08 16:37:04,291 INFO L78 Accepts]: Start accepts. Automaton has 18925 states and 25529 transitions. Word has length 1031 [2019-09-08 16:37:04,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:04,292 INFO L475 AbstractCegarLoop]: Abstraction has 18925 states and 25529 transitions. [2019-09-08 16:37:04,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:37:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 18925 states and 25529 transitions. [2019-09-08 16:37:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2019-09-08 16:37:04,328 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:04,329 INFO L399 BasicCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:04,329 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:04,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:04,330 INFO L82 PathProgramCache]: Analyzing trace with hash 474176917, now seen corresponding path program 1 times [2019-09-08 16:37:04,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:04,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:04,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:04,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:04,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3037 trivial. 0 not checked. [2019-09-08 16:37:05,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:37:05,560 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 16:37:05,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:09,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 12804 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 16:37:09,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:37:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 2884 trivial. 0 not checked. [2019-09-08 16:37:10,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:37:10,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2019-09-08 16:37:10,585 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:37:10,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:37:10,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:37:10,586 INFO L87 Difference]: Start difference. First operand 18925 states and 25529 transitions. Second operand 8 states. [2019-09-08 16:37:11,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:11,296 INFO L93 Difference]: Finished difference Result 37915 states and 51454 transitions. [2019-09-08 16:37:11,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:37:11,296 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1096 [2019-09-08 16:37:11,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:11,349 INFO L225 Difference]: With dead ends: 37915 [2019-09-08 16:37:11,349 INFO L226 Difference]: Without dead ends: 19029 [2019-09-08 16:37:11,381 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1104 GetRequests, 1096 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-08 16:37:11,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19029 states. [2019-09-08 16:37:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19029 to 18981. [2019-09-08 16:37:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18981 states. [2019-09-08 16:37:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18981 states to 18981 states and 25757 transitions. [2019-09-08 16:37:11,877 INFO L78 Accepts]: Start accepts. Automaton has 18981 states and 25757 transitions. Word has length 1096 [2019-09-08 16:37:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:11,878 INFO L475 AbstractCegarLoop]: Abstraction has 18981 states and 25757 transitions. [2019-09-08 16:37:11,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:37:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18981 states and 25757 transitions. [2019-09-08 16:37:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2019-09-08 16:37:11,912 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:11,913 INFO L399 BasicCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:11,913 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:11,914 INFO L82 PathProgramCache]: Analyzing trace with hash -344947746, now seen corresponding path program 1 times [2019-09-08 16:37:11,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:11,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:11,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:11,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:11,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3037 trivial. 0 not checked. [2019-09-08 16:37:13,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:13,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 16:37:13,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:37:13,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:37:13,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:37:13,787 INFO L87 Difference]: Start difference. First operand 18981 states and 25757 transitions. Second operand 9 states. [2019-09-08 16:37:14,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:14,238 INFO L93 Difference]: Finished difference Result 38039 states and 51708 transitions. [2019-09-08 16:37:14,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:37:14,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1108 [2019-09-08 16:37:14,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:14,305 INFO L225 Difference]: With dead ends: 38039 [2019-09-08 16:37:14,305 INFO L226 Difference]: Without dead ends: 19097 [2019-09-08 16:37:14,343 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-09-08 16:37:14,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19097 states. [2019-09-08 16:37:14,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19097 to 19045. [2019-09-08 16:37:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19045 states. [2019-09-08 16:37:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19045 states to 19045 states and 25829 transitions. [2019-09-08 16:37:14,836 INFO L78 Accepts]: Start accepts. Automaton has 19045 states and 25829 transitions. Word has length 1108 [2019-09-08 16:37:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:14,838 INFO L475 AbstractCegarLoop]: Abstraction has 19045 states and 25829 transitions. [2019-09-08 16:37:14,838 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:37:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19045 states and 25829 transitions. [2019-09-08 16:37:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2019-09-08 16:37:14,873 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:14,874 INFO L399 BasicCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:14,874 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:14,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1244898125, now seen corresponding path program 1 times [2019-09-08 16:37:14,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:14,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:14,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:14,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:14,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3052 trivial. 0 not checked. [2019-09-08 16:37:16,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:16,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:37:16,522 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:37:16,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:37:16,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:37:16,523 INFO L87 Difference]: Start difference. First operand 19045 states and 25829 transitions. Second operand 4 states. [2019-09-08 16:37:16,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:16,977 INFO L93 Difference]: Finished difference Result 38083 states and 51770 transitions. [2019-09-08 16:37:16,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:16,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1127 [2019-09-08 16:37:16,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:17,043 INFO L225 Difference]: With dead ends: 38083 [2019-09-08 16:37:17,044 INFO L226 Difference]: Without dead ends: 19077 [2019-09-08 16:37:17,082 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 16:37:17,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19077 states. [2019-09-08 16:37:17,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19077 to 19061. [2019-09-08 16:37:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19061 states. [2019-09-08 16:37:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19061 states to 19061 states and 25845 transitions. [2019-09-08 16:37:17,568 INFO L78 Accepts]: Start accepts. Automaton has 19061 states and 25845 transitions. Word has length 1127 [2019-09-08 16:37:17,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:17,572 INFO L475 AbstractCegarLoop]: Abstraction has 19061 states and 25845 transitions. [2019-09-08 16:37:17,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:37:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 19061 states and 25845 transitions. [2019-09-08 16:37:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2019-09-08 16:37:17,624 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:17,625 INFO L399 BasicCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:17,625 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:17,626 INFO L82 PathProgramCache]: Analyzing trace with hash 391980427, now seen corresponding path program 1 times [2019-09-08 16:37:17,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:17,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:17,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:17,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:17,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3016 trivial. 0 not checked. [2019-09-08 16:37:19,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:19,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:37:19,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:37:19,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:37:19,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:19,202 INFO L87 Difference]: Start difference. First operand 19061 states and 25845 transitions. Second operand 5 states. [2019-09-08 16:37:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:19,645 INFO L93 Difference]: Finished difference Result 38139 states and 52019 transitions. [2019-09-08 16:37:19,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:19,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1127 [2019-09-08 16:37:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:19,702 INFO L225 Difference]: With dead ends: 38139 [2019-09-08 16:37:19,702 INFO L226 Difference]: Without dead ends: 19117 [2019-09-08 16:37:19,739 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 16:37:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19117 states. [2019-09-08 16:37:20,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19117 to 19093. [2019-09-08 16:37:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19093 states. [2019-09-08 16:37:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19093 states to 19093 states and 25964 transitions. [2019-09-08 16:37:20,219 INFO L78 Accepts]: Start accepts. Automaton has 19093 states and 25964 transitions. Word has length 1127 [2019-09-08 16:37:20,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:20,220 INFO L475 AbstractCegarLoop]: Abstraction has 19093 states and 25964 transitions. [2019-09-08 16:37:20,220 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 19093 states and 25964 transitions. [2019-09-08 16:37:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2019-09-08 16:37:20,253 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:20,254 INFO L399 BasicCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:20,254 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:20,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:20,255 INFO L82 PathProgramCache]: Analyzing trace with hash -989218279, now seen corresponding path program 1 times [2019-09-08 16:37:20,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:20,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:20,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:20,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:20,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3052 trivial. 0 not checked. [2019-09-08 16:37:21,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:21,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:37:21,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:37:21,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:37:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:37:21,967 INFO L87 Difference]: Start difference. First operand 19093 states and 25964 transitions. Second operand 4 states. [2019-09-08 16:37:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:22,325 INFO L93 Difference]: Finished difference Result 38163 states and 51967 transitions. [2019-09-08 16:37:22,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 16:37:22,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1132 [2019-09-08 16:37:22,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:22,387 INFO L225 Difference]: With dead ends: 38163 [2019-09-08 16:37:22,387 INFO L226 Difference]: Without dead ends: 19109 [2019-09-08 16:37:22,427 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 16:37:22,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19109 states. [2019-09-08 16:37:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19109 to 19109. [2019-09-08 16:37:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19109 states. [2019-09-08 16:37:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19109 states to 19109 states and 25980 transitions. [2019-09-08 16:37:22,923 INFO L78 Accepts]: Start accepts. Automaton has 19109 states and 25980 transitions. Word has length 1132 [2019-09-08 16:37:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:22,924 INFO L475 AbstractCegarLoop]: Abstraction has 19109 states and 25980 transitions. [2019-09-08 16:37:22,924 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:37:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19109 states and 25980 transitions. [2019-09-08 16:37:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2019-09-08 16:37:22,985 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:22,986 INFO L399 BasicCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:22,986 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:22,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:22,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1712422520, now seen corresponding path program 1 times [2019-09-08 16:37:22,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:22,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:22,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:22,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:22,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:24,482 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2019-09-08 16:37:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 9 proven. 64 refuted. 0 times theorem prover too weak. 2988 trivial. 0 not checked. [2019-09-08 16:37:25,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:37:25,322 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 16:37:25,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:29,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 12956 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 16:37:29,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:37:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 405 proven. 15 refuted. 0 times theorem prover too weak. 2641 trivial. 0 not checked. [2019-09-08 16:37:32,354 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:37:32,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-09-08 16:37:32,357 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 16:37:32,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 16:37:32,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-08 16:37:32,358 INFO L87 Difference]: Start difference. First operand 19109 states and 25980 transitions. Second operand 16 states. [2019-09-08 16:37:32,844 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-09-08 16:37:34,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:34,614 INFO L93 Difference]: Finished difference Result 38527 states and 54168 transitions. [2019-09-08 16:37:34,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-09-08 16:37:34,614 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1132 [2019-09-08 16:37:34,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:34,685 INFO L225 Difference]: With dead ends: 38527 [2019-09-08 16:37:34,685 INFO L226 Difference]: Without dead ends: 19238 [2019-09-08 16:37:34,734 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1151 GetRequests, 1128 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2019-09-08 16:37:34,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19238 states. [2019-09-08 16:37:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19238 to 19144. [2019-09-08 16:37:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19144 states. [2019-09-08 16:37:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19144 states to 19144 states and 26033 transitions. [2019-09-08 16:37:35,457 INFO L78 Accepts]: Start accepts. Automaton has 19144 states and 26033 transitions. Word has length 1132 [2019-09-08 16:37:35,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:35,458 INFO L475 AbstractCegarLoop]: Abstraction has 19144 states and 26033 transitions. [2019-09-08 16:37:35,458 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 16:37:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 19144 states and 26033 transitions. [2019-09-08 16:37:35,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2019-09-08 16:37:35,512 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:35,513 INFO L399 BasicCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:35,514 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:35,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:35,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1043855022, now seen corresponding path program 1 times [2019-09-08 16:37:35,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:35,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:35,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:35,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:35,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3142 trivial. 0 not checked. [2019-09-08 16:37:37,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:37,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 16:37:37,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:37:37,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:37:37,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:37:37,236 INFO L87 Difference]: Start difference. First operand 19144 states and 26033 transitions. Second operand 9 states. [2019-09-08 16:37:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:37,819 INFO L93 Difference]: Finished difference Result 38326 states and 52164 transitions. [2019-09-08 16:37:37,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:37:37,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1135 [2019-09-08 16:37:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:37,876 INFO L225 Difference]: With dead ends: 38326 [2019-09-08 16:37:37,876 INFO L226 Difference]: Without dead ends: 19224 [2019-09-08 16:37:37,910 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:37:37,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19224 states. [2019-09-08 16:37:38,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19224 to 19224. [2019-09-08 16:37:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19224 states. [2019-09-08 16:37:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19224 states to 19224 states and 26121 transitions. [2019-09-08 16:37:38,456 INFO L78 Accepts]: Start accepts. Automaton has 19224 states and 26121 transitions. Word has length 1135 [2019-09-08 16:37:38,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:38,456 INFO L475 AbstractCegarLoop]: Abstraction has 19224 states and 26121 transitions. [2019-09-08 16:37:38,456 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:37:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 19224 states and 26121 transitions. [2019-09-08 16:37:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2019-09-08 16:37:38,492 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:38,492 INFO L399 BasicCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:38,493 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:38,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:38,493 INFO L82 PathProgramCache]: Analyzing trace with hash -756825907, now seen corresponding path program 1 times [2019-09-08 16:37:38,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:38,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:38,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:38,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:38,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3142 trivial. 0 not checked. [2019-09-08 16:37:40,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:40,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:37:40,393 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:37:40,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:37:40,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:37:40,394 INFO L87 Difference]: Start difference. First operand 19224 states and 26121 transitions. Second operand 6 states. [2019-09-08 16:37:40,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:40,800 INFO L93 Difference]: Finished difference Result 38486 states and 52350 transitions. [2019-09-08 16:37:40,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:37:40,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1135 [2019-09-08 16:37:40,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:40,865 INFO L225 Difference]: With dead ends: 38486 [2019-09-08 16:37:40,865 INFO L226 Difference]: Without dead ends: 19304 [2019-09-08 16:37:40,909 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:37:40,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19304 states. [2019-09-08 16:37:41,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19304 to 19264. [2019-09-08 16:37:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19264 states. [2019-09-08 16:37:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19264 states to 19264 states and 26161 transitions. [2019-09-08 16:37:41,413 INFO L78 Accepts]: Start accepts. Automaton has 19264 states and 26161 transitions. Word has length 1135 [2019-09-08 16:37:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:41,413 INFO L475 AbstractCegarLoop]: Abstraction has 19264 states and 26161 transitions. [2019-09-08 16:37:41,413 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:37:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 19264 states and 26161 transitions. [2019-09-08 16:37:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2019-09-08 16:37:41,448 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:41,449 INFO L399 BasicCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:41,449 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:41,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1221234485, now seen corresponding path program 1 times [2019-09-08 16:37:41,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:41,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:41,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:41,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:41,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3151 trivial. 0 not checked. [2019-09-08 16:37:43,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:43,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:37:43,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:37:43,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:37:43,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:43,067 INFO L87 Difference]: Start difference. First operand 19264 states and 26161 transitions. Second operand 5 states. [2019-09-08 16:37:43,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:43,427 INFO L93 Difference]: Finished difference Result 38558 states and 52422 transitions. [2019-09-08 16:37:43,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:43,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1170 [2019-09-08 16:37:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:43,492 INFO L225 Difference]: With dead ends: 38558 [2019-09-08 16:37:43,493 INFO L226 Difference]: Without dead ends: 19336 [2019-09-08 16:37:43,544 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 16:37:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19336 states. [2019-09-08 16:37:43,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19336 to 19296. [2019-09-08 16:37:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19296 states. [2019-09-08 16:37:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19296 states to 19296 states and 26193 transitions. [2019-09-08 16:37:44,047 INFO L78 Accepts]: Start accepts. Automaton has 19296 states and 26193 transitions. Word has length 1170 [2019-09-08 16:37:44,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:44,048 INFO L475 AbstractCegarLoop]: Abstraction has 19296 states and 26193 transitions. [2019-09-08 16:37:44,048 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 19296 states and 26193 transitions. [2019-09-08 16:37:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1202 [2019-09-08 16:37:44,083 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:44,083 INFO L399 BasicCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:44,084 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:44,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:44,084 INFO L82 PathProgramCache]: Analyzing trace with hash 793376825, now seen corresponding path program 1 times [2019-09-08 16:37:44,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:44,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:44,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:44,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:44,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2019-09-08 16:37:46,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:37:46,887 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 16:37:46,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:51,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 13368 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 16:37:51,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:37:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 462 proven. 21 refuted. 0 times theorem prover too weak. 2901 trivial. 0 not checked. [2019-09-08 16:37:52,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:37:52,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10] total 13 [2019-09-08 16:37:52,290 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 16:37:52,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 16:37:52,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-09-08 16:37:52,290 INFO L87 Difference]: Start difference. First operand 19296 states and 26193 transitions. Second operand 13 states. [2019-09-08 16:37:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:53,544 INFO L93 Difference]: Finished difference Result 38733 states and 54422 transitions. [2019-09-08 16:37:53,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 16:37:53,544 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 1201 [2019-09-08 16:37:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:53,610 INFO L225 Difference]: With dead ends: 38733 [2019-09-08 16:37:53,611 INFO L226 Difference]: Without dead ends: 19465 [2019-09-08 16:37:53,661 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1213 GetRequests, 1194 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2019-09-08 16:37:53,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19465 states. [2019-09-08 16:37:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19465 to 19336. [2019-09-08 16:37:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19336 states. [2019-09-08 16:37:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19336 states to 19336 states and 26257 transitions. [2019-09-08 16:37:54,215 INFO L78 Accepts]: Start accepts. Automaton has 19336 states and 26257 transitions. Word has length 1201 [2019-09-08 16:37:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:54,215 INFO L475 AbstractCegarLoop]: Abstraction has 19336 states and 26257 transitions. [2019-09-08 16:37:54,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 16:37:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19336 states and 26257 transitions. [2019-09-08 16:37:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1231 [2019-09-08 16:37:54,254 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:54,254 INFO L399 BasicCegarLoop]: trace histogram [29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:54,255 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:54,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:54,255 INFO L82 PathProgramCache]: Analyzing trace with hash 717804892, now seen corresponding path program 1 times [2019-09-08 16:37:54,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:54,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:54,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:54,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:54,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3489 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 3470 trivial. 0 not checked. [2019-09-08 16:37:55,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:37:55,791 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:37:55,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:00,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 13522 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-08 16:38:00,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:38:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3489 backedges. 505 proven. 28 refuted. 0 times theorem prover too weak. 2956 trivial. 0 not checked. [2019-09-08 16:38:01,278 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:38:01,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11] total 14 [2019-09-08 16:38:01,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 16:38:01,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 16:38:01,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-09-08 16:38:01,282 INFO L87 Difference]: Start difference. First operand 19336 states and 26257 transitions. Second operand 14 states. [2019-09-08 16:38:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:02,702 INFO L93 Difference]: Finished difference Result 38816 states and 54719 transitions. [2019-09-08 16:38:02,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-08 16:38:02,702 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1230 [2019-09-08 16:38:02,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:02,768 INFO L225 Difference]: With dead ends: 38816 [2019-09-08 16:38:02,768 INFO L226 Difference]: Without dead ends: 19508 [2019-09-08 16:38:02,811 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1243 GetRequests, 1222 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2019-09-08 16:38:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19508 states. [2019-09-08 16:38:03,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19508 to 19360. [2019-09-08 16:38:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19360 states. [2019-09-08 16:38:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19360 states to 19360 states and 26289 transitions. [2019-09-08 16:38:03,344 INFO L78 Accepts]: Start accepts. Automaton has 19360 states and 26289 transitions. Word has length 1230 [2019-09-08 16:38:03,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:03,344 INFO L475 AbstractCegarLoop]: Abstraction has 19360 states and 26289 transitions. [2019-09-08 16:38:03,345 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 16:38:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 19360 states and 26289 transitions. [2019-09-08 16:38:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2019-09-08 16:38:03,380 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:03,381 INFO L399 BasicCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:03,381 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:03,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:03,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1315090535, now seen corresponding path program 2 times [2019-09-08 16:38:03,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:03,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:03,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:03,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:03,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3629 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3620 trivial. 0 not checked. [2019-09-08 16:38:04,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:38:04,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:38:04,877 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:38:04,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:38:04,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:38:04,877 INFO L87 Difference]: Start difference. First operand 19360 states and 26289 transitions. Second operand 5 states. [2019-09-08 16:38:05,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:05,224 INFO L93 Difference]: Finished difference Result 38742 states and 52800 transitions. [2019-09-08 16:38:05,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:38:05,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1259 [2019-09-08 16:38:05,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:05,301 INFO L225 Difference]: With dead ends: 38742 [2019-09-08 16:38:05,302 INFO L226 Difference]: Without dead ends: 19424 [2019-09-08 16:38:05,344 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 16:38:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19424 states. [2019-09-08 16:38:05,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19424 to 19392. [2019-09-08 16:38:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19392 states. [2019-09-08 16:38:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19392 states to 19392 states and 26445 transitions. [2019-09-08 16:38:05,893 INFO L78 Accepts]: Start accepts. Automaton has 19392 states and 26445 transitions. Word has length 1259 [2019-09-08 16:38:05,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:05,894 INFO L475 AbstractCegarLoop]: Abstraction has 19392 states and 26445 transitions. [2019-09-08 16:38:05,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:38:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19392 states and 26445 transitions. [2019-09-08 16:38:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1261 [2019-09-08 16:38:05,929 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:05,930 INFO L399 BasicCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:05,930 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:05,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:05,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1044508188, now seen corresponding path program 1 times [2019-09-08 16:38:05,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:05,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:05,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:05,936 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:38:05,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3629 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3620 trivial. 0 not checked. [2019-09-08 16:38:07,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:38:07,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:38:07,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:38:07,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:38:07,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:38:07,484 INFO L87 Difference]: Start difference. First operand 19392 states and 26445 transitions. Second operand 5 states. [2019-09-08 16:38:07,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:07,860 INFO L93 Difference]: Finished difference Result 38806 states and 52980 transitions. [2019-09-08 16:38:07,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:38:07,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1260 [2019-09-08 16:38:07,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:07,924 INFO L225 Difference]: With dead ends: 38806 [2019-09-08 16:38:07,924 INFO L226 Difference]: Without dead ends: 19456 [2019-09-08 16:38:07,963 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 16:38:07,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19456 states. [2019-09-08 16:38:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19456 to 19424. [2019-09-08 16:38:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19424 states. [2019-09-08 16:38:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19424 states to 19424 states and 26477 transitions. [2019-09-08 16:38:08,460 INFO L78 Accepts]: Start accepts. Automaton has 19424 states and 26477 transitions. Word has length 1260 [2019-09-08 16:38:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:08,461 INFO L475 AbstractCegarLoop]: Abstraction has 19424 states and 26477 transitions. [2019-09-08 16:38:08,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:38:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19424 states and 26477 transitions. [2019-09-08 16:38:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2019-09-08 16:38:08,498 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:08,499 INFO L399 BasicCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:08,499 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:08,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:08,500 INFO L82 PathProgramCache]: Analyzing trace with hash 944843024, now seen corresponding path program 1 times [2019-09-08 16:38:08,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:08,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:08,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:08,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:08,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3664 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2019-09-08 16:38:11,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:38:11,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:38:11,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:16,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 13778 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 16:38:16,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:38:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3664 backedges. 802 proven. 36 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2019-09-08 16:38:17,077 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:38:17,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 12] total 14 [2019-09-08 16:38:17,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 16:38:17,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 16:38:17,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2019-09-08 16:38:17,080 INFO L87 Difference]: Start difference. First operand 19424 states and 26477 transitions. Second operand 14 states. [2019-09-08 16:38:32,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:32,410 INFO L93 Difference]: Finished difference Result 68196 states and 98371 transitions. [2019-09-08 16:38:32,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-09-08 16:38:32,410 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1279 [2019-09-08 16:38:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:32,619 INFO L225 Difference]: With dead ends: 68196 [2019-09-08 16:38:32,619 INFO L226 Difference]: Without dead ends: 48800 [2019-09-08 16:38:32,691 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1328 GetRequests, 1270 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1053 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=812, Invalid=2728, Unknown=0, NotChecked=0, Total=3540 [2019-09-08 16:38:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48800 states. [2019-09-08 16:38:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48800 to 48328. [2019-09-08 16:38:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48328 states. [2019-09-08 16:38:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48328 states to 48328 states and 65866 transitions. [2019-09-08 16:38:34,486 INFO L78 Accepts]: Start accepts. Automaton has 48328 states and 65866 transitions. Word has length 1279 [2019-09-08 16:38:34,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:34,486 INFO L475 AbstractCegarLoop]: Abstraction has 48328 states and 65866 transitions. [2019-09-08 16:38:34,486 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 16:38:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 48328 states and 65866 transitions. [2019-09-08 16:38:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2019-09-08 16:38:34,569 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:34,570 INFO L399 BasicCegarLoop]: trace histogram [34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:34,570 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:34,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1918250296, now seen corresponding path program 1 times [2019-09-08 16:38:34,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:34,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:34,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:34,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:34,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3745 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3736 trivial. 0 not checked. [2019-09-08 16:38:36,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:38:36,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:38:36,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:38:36,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:38:36,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:38:36,189 INFO L87 Difference]: Start difference. First operand 48328 states and 65866 transitions. Second operand 5 states. [2019-09-08 16:38:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:39,407 INFO L93 Difference]: Finished difference Result 106850 states and 146497 transitions. [2019-09-08 16:38:39,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:38:39,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1281 [2019-09-08 16:38:39,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:39,680 INFO L225 Difference]: With dead ends: 106850 [2019-09-08 16:38:39,680 INFO L226 Difference]: Without dead ends: 67835 [2019-09-08 16:38:39,779 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:38:39,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67835 states. [2019-09-08 16:38:41,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67835 to 48354. [2019-09-08 16:38:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48354 states. [2019-09-08 16:38:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48354 states to 48354 states and 65907 transitions. [2019-09-08 16:38:41,856 INFO L78 Accepts]: Start accepts. Automaton has 48354 states and 65907 transitions. Word has length 1281 [2019-09-08 16:38:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:41,857 INFO L475 AbstractCegarLoop]: Abstraction has 48354 states and 65907 transitions. [2019-09-08 16:38:41,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:38:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 48354 states and 65907 transitions. [2019-09-08 16:38:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1351 [2019-09-08 16:38:41,960 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:41,961 INFO L399 BasicCegarLoop]: trace histogram [34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:41,961 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:41,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:41,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1804860769, now seen corresponding path program 1 times [2019-09-08 16:38:41,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:41,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:41,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:41,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:41,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3775 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3763 trivial. 0 not checked. [2019-09-08 16:38:43,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:38:43,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 16:38:43,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:38:43,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:38:43,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:38:43,559 INFO L87 Difference]: Start difference. First operand 48354 states and 65907 transitions. Second operand 8 states. [2019-09-08 16:38:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:44,491 INFO L93 Difference]: Finished difference Result 97327 states and 132849 transitions. [2019-09-08 16:38:44,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:38:44,492 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1350 [2019-09-08 16:38:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:44,672 INFO L225 Difference]: With dead ends: 97327 [2019-09-08 16:38:44,673 INFO L226 Difference]: Without dead ends: 49026 [2019-09-08 16:38:44,781 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:38:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49026 states. [2019-09-08 16:38:48,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49026 to 48576. [2019-09-08 16:38:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48576 states. [2019-09-08 16:38:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48576 states to 48576 states and 66146 transitions. [2019-09-08 16:38:48,742 INFO L78 Accepts]: Start accepts. Automaton has 48576 states and 66146 transitions. Word has length 1350 [2019-09-08 16:38:48,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:48,743 INFO L475 AbstractCegarLoop]: Abstraction has 48576 states and 66146 transitions. [2019-09-08 16:38:48,743 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:38:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 48576 states and 66146 transitions. [2019-09-08 16:38:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1314 [2019-09-08 16:38:48,841 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:48,842 INFO L399 BasicCegarLoop]: trace histogram [34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:48,842 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:48,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:48,843 INFO L82 PathProgramCache]: Analyzing trace with hash 114858932, now seen corresponding path program 1 times [2019-09-08 16:38:48,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:48,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:48,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:48,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:48,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3889 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3868 trivial. 0 not checked. [2019-09-08 16:38:50,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:38:50,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:38:50,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:38:50,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:38:50,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:38:50,157 INFO L87 Difference]: Start difference. First operand 48576 states and 66146 transitions. Second operand 5 states. [2019-09-08 16:39:43,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:39:43,458 INFO L93 Difference]: Finished difference Result 140488 states and 190771 transitions. [2019-09-08 16:39:43,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:39:43,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1313 [2019-09-08 16:39:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:39:43,811 INFO L225 Difference]: With dead ends: 140488 [2019-09-08 16:39:43,811 INFO L226 Difference]: Without dead ends: 91965 [2019-09-08 16:39:43,922 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:39:44,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91965 states. [2019-09-08 16:39:46,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91965 to 91537. [2019-09-08 16:39:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91537 states. [2019-09-08 16:39:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91537 states to 91537 states and 124104 transitions. [2019-09-08 16:39:47,053 INFO L78 Accepts]: Start accepts. Automaton has 91537 states and 124104 transitions. Word has length 1313 [2019-09-08 16:39:47,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:39:47,054 INFO L475 AbstractCegarLoop]: Abstraction has 91537 states and 124104 transitions. [2019-09-08 16:39:47,054 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:39:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 91537 states and 124104 transitions. [2019-09-08 16:39:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1314 [2019-09-08 16:39:47,229 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:39:47,229 INFO L399 BasicCegarLoop]: trace histogram [34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:39:47,230 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:39:47,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:39:47,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1418430644, now seen corresponding path program 2 times [2019-09-08 16:39:47,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:39:47,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:39:47,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:39:47,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:39:47,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:39:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:39:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3889 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3877 trivial. 0 not checked. [2019-09-08 16:39:51,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:39:51,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:39:51,316 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:39:51,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:39:51,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:39:51,316 INFO L87 Difference]: Start difference. First operand 91537 states and 124104 transitions. Second operand 3 states. [2019-09-08 16:39:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:39:55,709 INFO L93 Difference]: Finished difference Result 204196 states and 277769 transitions. [2019-09-08 16:39:55,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:39:55,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1313 [2019-09-08 16:39:55,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:39:56,157 INFO L225 Difference]: With dead ends: 204196 [2019-09-08 16:39:56,157 INFO L226 Difference]: Without dead ends: 112721 [2019-09-08 16:39:56,331 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 16:39:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112721 states. [2019-09-08 16:39:59,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112721 to 112309. [2019-09-08 16:39:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112309 states. [2019-09-08 16:40:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112309 states to 112309 states and 153297 transitions. [2019-09-08 16:40:00,152 INFO L78 Accepts]: Start accepts. Automaton has 112309 states and 153297 transitions. Word has length 1313 [2019-09-08 16:40:00,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:40:00,152 INFO L475 AbstractCegarLoop]: Abstraction has 112309 states and 153297 transitions. [2019-09-08 16:40:00,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:40:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 112309 states and 153297 transitions. [2019-09-08 16:40:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2019-09-08 16:40:00,365 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:40:00,366 INFO L399 BasicCegarLoop]: trace histogram [34, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:00,366 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:40:00,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:40:00,367 INFO L82 PathProgramCache]: Analyzing trace with hash 59930763, now seen corresponding path program 1 times [2019-09-08 16:40:00,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:40:00,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:40:00,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:40:00,371 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:40:00,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:40:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:40:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4033 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4025 trivial. 0 not checked. [2019-09-08 16:40:04,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:40:04,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:40:04,710 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:40:04,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:40:04,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:40:04,710 INFO L87 Difference]: Start difference. First operand 112309 states and 153297 transitions. Second operand 3 states. [2019-09-08 16:40:10,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:40:10,726 INFO L93 Difference]: Finished difference Result 321109 states and 438201 transitions. [2019-09-08 16:40:10,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:40:10,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1323 [2019-09-08 16:40:10,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:40:11,620 INFO L225 Difference]: With dead ends: 321109 [2019-09-08 16:40:11,620 INFO L226 Difference]: Without dead ends: 208862 [2019-09-08 16:40:11,868 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 16:40:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208862 states. [2019-09-08 16:40:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208862 to 208700. [2019-09-08 16:40:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208700 states. [2019-09-08 16:40:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208700 states to 208700 states and 284768 transitions. [2019-09-08 16:40:23,803 INFO L78 Accepts]: Start accepts. Automaton has 208700 states and 284768 transitions. Word has length 1323 [2019-09-08 16:40:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:40:23,804 INFO L475 AbstractCegarLoop]: Abstraction has 208700 states and 284768 transitions. [2019-09-08 16:40:23,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:40:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 208700 states and 284768 transitions. [2019-09-08 16:40:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2019-09-08 16:40:24,243 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:40:24,244 INFO L399 BasicCegarLoop]: trace histogram [34, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:24,244 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:40:24,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:40:24,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1697906315, now seen corresponding path program 2 times [2019-09-08 16:40:24,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:40:24,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:40:24,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:40:24,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:40:24,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:40:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:40:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4033 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4016 trivial. 0 not checked. [2019-09-08 16:40:26,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:40:26,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:40:26,136 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:40:26,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:40:26,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:40:26,137 INFO L87 Difference]: Start difference. First operand 208700 states and 284768 transitions. Second operand 5 states. [2019-09-08 16:41:24,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:41:24,864 INFO L93 Difference]: Finished difference Result 504005 states and 688335 transitions. [2019-09-08 16:41:24,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:41:24,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1323 [2019-09-08 16:41:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:41:26,109 INFO L225 Difference]: With dead ends: 504005 [2019-09-08 16:41:26,109 INFO L226 Difference]: Without dead ends: 303059 [2019-09-08 16:41:26,497 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:41:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303059 states. [2019-09-08 16:41:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303059 to 302771. [2019-09-08 16:41:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302771 states. [2019-09-08 16:41:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302771 states to 302771 states and 412707 transitions. [2019-09-08 16:41:52,625 INFO L78 Accepts]: Start accepts. Automaton has 302771 states and 412707 transitions. Word has length 1323 [2019-09-08 16:41:52,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:41:52,626 INFO L475 AbstractCegarLoop]: Abstraction has 302771 states and 412707 transitions. [2019-09-08 16:41:52,626 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:41:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 302771 states and 412707 transitions. [2019-09-08 16:41:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1364 [2019-09-08 16:41:53,239 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:41:53,239 INFO L399 BasicCegarLoop]: trace histogram [34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:53,240 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:41:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:41:53,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1196791158, now seen corresponding path program 1 times [2019-09-08 16:41:53,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:41:53,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:41:53,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:53,246 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:41:53,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:41:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3800 backedges. 232 proven. 159 refuted. 0 times theorem prover too weak. 3409 trivial. 0 not checked. [2019-09-08 16:41:57,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:41:57,147 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:41:57,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:42:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:42:01,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 14311 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-08 16:42:01,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:42:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3800 backedges. 879 proven. 45 refuted. 0 times theorem prover too weak. 2876 trivial. 0 not checked. [2019-09-08 16:42:03,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:42:03,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2019-09-08 16:42:03,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-08 16:42:03,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-08 16:42:03,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=334, Unknown=0, NotChecked=0, Total=552 [2019-09-08 16:42:03,633 INFO L87 Difference]: Start difference. First operand 302771 states and 412707 transitions. Second operand 24 states. [2019-09-08 16:42:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:42:14,413 INFO L93 Difference]: Finished difference Result 612516 states and 873160 transitions. [2019-09-08 16:42:14,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-09-08 16:42:14,413 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1363 [2019-09-08 16:42:14,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:42:15,863 INFO L225 Difference]: With dead ends: 612516 [2019-09-08 16:42:15,863 INFO L226 Difference]: Without dead ends: 309807 [2019-09-08 16:42:16,473 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1395 GetRequests, 1353 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=725, Invalid=1167, Unknown=0, NotChecked=0, Total=1892 [2019-09-08 16:42:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309807 states. [2019-09-08 16:42:37,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309807 to 305689. [2019-09-08 16:42:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305689 states. [2019-09-08 16:42:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305689 states to 305689 states and 420209 transitions. [2019-09-08 16:42:39,023 INFO L78 Accepts]: Start accepts. Automaton has 305689 states and 420209 transitions. Word has length 1363 [2019-09-08 16:42:39,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:42:39,024 INFO L475 AbstractCegarLoop]: Abstraction has 305689 states and 420209 transitions. [2019-09-08 16:42:39,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-08 16:42:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 305689 states and 420209 transitions. [2019-09-08 16:42:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2019-09-08 16:42:41,075 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:42:41,075 INFO L399 BasicCegarLoop]: trace histogram [36, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:41,076 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:42:41,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:42:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1227380404, now seen corresponding path program 2 times [2019-09-08 16:42:41,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:42:41,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:42:41,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:42:41,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:42:41,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY