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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 06:55:00,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 06:55:00,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 06:55:00,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 06:55:00,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 06:55:00,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 06:55:00,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 06:55:00,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 06:55:00,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 06:55:00,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 06:55:00,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 06:55:00,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 06:55:00,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 06:55:00,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 06:55:00,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 06:55:00,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 06:55:00,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 06:55:00,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 06:55:00,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 06:55:00,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 06:55:00,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 06:55:00,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 06:55:00,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 06:55:00,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 06:55:00,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 06:55:00,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 06:55:00,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 06:55:00,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 06:55:00,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 06:55:00,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 06:55:00,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 06:55:00,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 06:55:00,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 06:55:00,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 06:55:00,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 06:55:00,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 06:55:00,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 06:55:00,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 06:55:00,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 06:55:00,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 06:55:00,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 06:55:00,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 06:55:00,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 06:55:00,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 06:55:00,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 06:55:00,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 06:55:00,807 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 06:55:00,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 06:55:00,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 06:55:00,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 06:55:00,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 06:55:00,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 06:55:00,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 06:55:00,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 06:55:00,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 06:55:00,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 06:55:00,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 06:55:00,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 06:55:00,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 06:55:00,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 06:55:00,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 06:55:00,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 06:55:00,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 06:55:00,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 06:55:00,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 06:55:00,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 06:55:00,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 06:55:00,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 06:55:00,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 06:55:00,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 06:55:00,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 06:55:00,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 06:55:00,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 06:55:00,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 06:55:00,887 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 06:55:00,887 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 06:55:00,888 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2019-10-02 06:55:00,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b01cc90/2222dc95cd5145719a5a25760bebf443/FLAGe52659e4d [2019-10-02 06:55:01,877 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 06:55:01,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2019-10-02 06:55:01,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b01cc90/2222dc95cd5145719a5a25760bebf443/FLAGe52659e4d [2019-10-02 06:55:02,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b01cc90/2222dc95cd5145719a5a25760bebf443 [2019-10-02 06:55:02,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 06:55:02,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 06:55:02,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 06:55:02,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 06:55:02,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 06:55:02,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 06:55:02" (1/1) ... [2019-10-02 06:55:02,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424baa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:02, skipping insertion in model container [2019-10-02 06:55:02,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 06:55:02" (1/1) ... [2019-10-02 06:55:02,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 06:55:02,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 06:55:05,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 06:55:05,279 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 06:55:05,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 06:55:06,297 INFO L192 MainTranslator]: Completed translation [2019-10-02 06:55:06,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06 WrapperNode [2019-10-02 06:55:06,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 06:55:06,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 06:55:06,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 06:55:06,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 06:55:06,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... [2019-10-02 06:55:06,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 06:55:06,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 06:55:06,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 06:55:06,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 06:55:06,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 06:55:06,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 06:55:06,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 06:55:06,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 06:55:06,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 06:55:06,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-02 06:55:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-02 06:55:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-02 06:55:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 06:55:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 06:55:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 06:55:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 06:55:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 06:55:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-02 06:55:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-02 06:55:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-02 06:55:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2019-10-02 06:55:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2019-10-02 06:55:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 06:55:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 06:55:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 06:55:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 06:55:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 06:55:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-02 06:55:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-02 06:55:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-02 06:55:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-02 06:55:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-02 06:55:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-02 06:55:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-02 06:55:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-10-02 06:55:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-10-02 06:55:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 06:55:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 06:55:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 06:55:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 06:55:06,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 06:55:06,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 06:55:06,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 06:55:06,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 06:55:06,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 06:55:06,816 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 06:55:06,816 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-02 06:55:06,816 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-02 06:55:06,816 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-02 06:55:06,817 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-02 06:55:06,817 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-02 06:55:06,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 06:55:06,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 06:55:06,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 06:55:06,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 06:55:06,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 06:55:06,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 06:55:06,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-02 06:55:06,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-02 06:55:06,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-02 06:55:06,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_msg_init [2019-10-02 06:55:06,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2019-10-02 06:55:06,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2019-10-02 06:55:06,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2019-10-02 06:55:06,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_resolve_flowctrl_fdx [2019-10-02 06:55:06,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_alloc [2019-10-02 06:55:06,822 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2019-10-02 06:55:06,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-02 06:55:06,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-02 06:55:06,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-02 06:55:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-02 06:55:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-02 06:55:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2019-10-02 06:55:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-02 06:55:06,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 06:55:06,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 06:55:06,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-02 06:55:06,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-02 06:55:06,825 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2019-10-02 06:55:06,825 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-02 06:55:06,826 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-02 06:55:06,826 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-02 06:55:06,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-10-02 06:55:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-10-02 06:55:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_reg_read [2019-10-02 06:55:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_reg_write [2019-10-02 06:55:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_pci_flush_write [2019-10-02 06:55:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_mii_read [2019-10-02 06:55:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_mii_write [2019-10-02 06:55:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_hash [2019-10-02 06:55:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_reload [2019-10-02 06:55:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_do_ioctl [2019-10-02 06:55:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_get_settings [2019-10-02 06:55:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_set_settings [2019-10-02 06:55:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_get_drvinfo [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_get_msglevel [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_set_msglevel [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_nway_reset [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_getregslen [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_getregs [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_enable_access [2019-10-02 06:55:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_send_cmd [2019-10-02 06:55:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_read_location [2019-10-02 06:55:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_write_location [2019-10-02 06:55:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_get_eeprom_len [2019-10-02 06:55:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_get_eeprom [2019-10-02 06:55:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_ethtool_set_eeprom [2019-10-02 06:55:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_set_mac_address [2019-10-02 06:55:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_check_mac_address [2019-10-02 06:55:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop_tx [2019-10-02 06:55:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_free_tx_ring [2019-10-02 06:55:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_free_rx_ring [2019-10-02 06:55:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop_rx [2019-10-02 06:55:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_isr [2019-10-02 06:55:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_poll_controller [2019-10-02 06:55:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_dmac_soft_reset [2019-10-02 06:55:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop [2019-10-02 06:55:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_rx_count_stats [2019-10-02 06:55:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_rx_handoff [2019-10-02 06:55:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_alloc_rx_buffer [2019-10-02 06:55:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_alloc_new_rx_buffers [2019-10-02 06:55:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_rx_poll [2019-10-02 06:55:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_tx_update_stats [2019-10-02 06:55:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_complete_tx [2019-10-02 06:55:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_hard_start_xmit [2019-10-02 06:55:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_get_stats [2019-10-02 06:55:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_set_multicast_list [2019-10-02 06:55:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_phy_update_flowcontrol [2019-10-02 06:55:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_phy_adjust_link [2019-10-02 06:55:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_mii_probe [2019-10-02 06:55:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_mii_init [2019-10-02 06:55:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_alloc_tx_ring [2019-10-02 06:55:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_alloc_rx_ring [2019-10-02 06:55:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_open [2019-10-02 06:55:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_suspend [2019-10-02 06:55:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_resume [2019-10-02 06:55:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_probe [2019-10-02 06:55:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_remove [2019-10-02 06:55:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_init_module [2019-10-02 06:55:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_exit_module [2019-10-02 06:55:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 06:55:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 06:55:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 06:55:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2019-10-02 06:55:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2019-10-02 06:55:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_2 [2019-10-02 06:55:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 06:55:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 06:55:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 06:55:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 06:55:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 06:55:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-02 06:55:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-02 06:55:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-02 06:55:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-02 06:55:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-02 06:55:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_12 [2019-10-02 06:55:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_13 [2019-10-02 06:55:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_14 [2019-10-02 06:55:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_15 [2019-10-02 06:55:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2019-10-02 06:55:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2019-10-02 06:55:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2019-10-02 06:55:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_19 [2019-10-02 06:55:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_20 [2019-10-02 06:55:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-02 06:55:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-02 06:55:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-02 06:55:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-02 06:55:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-02 06:55:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 06:55:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 06:55:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 06:55:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 06:55:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-02 06:55:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 06:55:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-02 06:55:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-02 06:55:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-02 06:55:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-02 06:55:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-02 06:55:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 06:55:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 06:55:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-02 06:55:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-02 06:55:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 06:55:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-02 06:55:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-02 06:55:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-02 06:55:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_alloc_size [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_register [2019-10-02 06:55:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-10-02 06:55:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-02 06:55:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2019-10-02 06:55:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_ethtool_gset [2019-10-02 06:55:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_ethtool_sset [2019-10-02 06:55:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_mii_ioctl [2019-10-02 06:55:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2019-10-02 06:55:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start_aneg [2019-10-02 06:55:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2019-10-02 06:55:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 06:55:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 06:55:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 06:55:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-10-02 06:55:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 06:55:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-10-02 06:55:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-02 06:55:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 06:55:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 06:55:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 06:55:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 06:55:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 06:55:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 06:55:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 06:55:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 06:55:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 06:55:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 06:55:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 06:55:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 06:55:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 06:55:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-02 06:55:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2019-10-02 06:55:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 06:55:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 06:55:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-02 06:55:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-02 06:55:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-02 06:55:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-02 06:55:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-02 06:55:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-02 06:55:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-02 06:55:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-02 06:55:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 06:55:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 06:55:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 06:55:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 06:55:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 06:55:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-02 06:55:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-02 06:55:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_13 [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-10-02 06:55:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-10-02 06:55:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 06:55:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 06:55:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 06:55:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 06:55:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 06:55:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 06:55:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 06:55:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2019-10-02 06:55:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2019-10-02 06:55:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_2 [2019-10-02 06:55:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 06:55:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 06:55:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_14 [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_12 [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_15 [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-02 06:55:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-02 06:55:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2019-10-02 06:55:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_20 [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-02 06:55:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_msg_init [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2019-10-02 06:55:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_19 [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure mii_resolve_flowctrl_fdx [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_alloc_size [2019-10-02 06:55:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_alloc [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_register [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2019-10-02 06:55:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start_aneg [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure phy_ethtool_sset [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure phy_ethtool_gset [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure phy_mii_ioctl [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-02 06:55:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 06:55:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 06:55:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-02 06:55:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_reg_read [2019-10-02 06:55:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_reg_write [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_pci_flush_write [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_mii_read [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_mii_write [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_hash [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_reload [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 06:55:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_do_ioctl [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_get_settings [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_set_settings [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_get_drvinfo [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_get_msglevel [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_set_msglevel [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_nway_reset [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_getregslen [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_getregs [2019-10-02 06:55:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_enable_access [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_send_cmd [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_read_location [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_write_location [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_get_eeprom_len [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_get_eeprom [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 06:55:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_ethtool_set_eeprom [2019-10-02 06:55:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_set_mac_address [2019-10-02 06:55:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_check_mac_address [2019-10-02 06:55:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop_tx [2019-10-02 06:55:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_free_tx_ring [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_free_rx_ring [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop_rx [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_isr [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_poll_controller [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_dmac_soft_reset [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_rx_count_stats [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_rx_handoff [2019-10-02 06:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_alloc_rx_buffer [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_alloc_new_rx_buffers [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_rx_poll [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_tx_update_stats [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_complete_tx [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_hard_start_xmit [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_get_stats [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_set_multicast_list [2019-10-02 06:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_phy_update_flowcontrol [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_phy_adjust_link [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_mii_probe [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_mii_init [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_alloc_tx_ring [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_alloc_rx_ring [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_open [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_suspend [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_resume [2019-10-02 06:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_probe [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_remove [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_init_module [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_exit_module [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 06:55:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 06:55:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 06:55:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 06:55:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 06:55:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 06:55:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 06:55:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 06:55:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 06:55:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 06:55:08,609 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 06:55:19,074 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 06:55:19,074 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-02 06:55:19,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 06:55:19 BoogieIcfgContainer [2019-10-02 06:55:19,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 06:55:19,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 06:55:19,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 06:55:19,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 06:55:19,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 06:55:02" (1/3) ... [2019-10-02 06:55:19,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36970a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 06:55:19, skipping insertion in model container [2019-10-02 06:55:19,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:55:06" (2/3) ... [2019-10-02 06:55:19,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36970a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 06:55:19, skipping insertion in model container [2019-10-02 06:55:19,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 06:55:19" (3/3) ... [2019-10-02 06:55:19,089 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2019-10-02 06:55:19,102 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 06:55:19,120 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 06:55:19,146 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 06:55:19,207 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 06:55:19,208 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 06:55:19,208 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 06:55:19,208 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 06:55:19,208 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 06:55:19,209 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 06:55:19,209 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 06:55:19,209 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 06:55:19,209 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 06:55:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states. [2019-10-02 06:55:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-02 06:55:19,327 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:19,329 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:19,331 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:19,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:19,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1326720093, now seen corresponding path program 1 times [2019-10-02 06:55:19,340 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:19,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:19,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:19,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:19,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 06:55:20,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:20,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:55:20,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:55:20,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:55:20,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:20,461 INFO L87 Difference]: Start difference. First operand 2372 states. Second operand 3 states. [2019-10-02 06:55:23,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:23,324 INFO L93 Difference]: Finished difference Result 6349 states and 8444 transitions. [2019-10-02 06:55:23,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:55:23,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-10-02 06:55:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:23,371 INFO L225 Difference]: With dead ends: 6349 [2019-10-02 06:55:23,371 INFO L226 Difference]: Without dead ends: 4149 [2019-10-02 06:55:23,387 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:23,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4149 states. [2019-10-02 06:55:23,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4149 to 4149. [2019-10-02 06:55:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4149 states. [2019-10-02 06:55:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 5455 transitions. [2019-10-02 06:55:23,726 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 5455 transitions. Word has length 104 [2019-10-02 06:55:23,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:23,728 INFO L475 AbstractCegarLoop]: Abstraction has 4149 states and 5455 transitions. [2019-10-02 06:55:23,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:55:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 5455 transitions. [2019-10-02 06:55:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-02 06:55:23,740 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:23,740 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:23,741 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:23,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:23,741 INFO L82 PathProgramCache]: Analyzing trace with hash -506804172, now seen corresponding path program 1 times [2019-10-02 06:55:23,741 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:23,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:23,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:23,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:23,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 06:55:24,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:24,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 06:55:24,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 06:55:24,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 06:55:24,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:55:24,241 INFO L87 Difference]: Start difference. First operand 4149 states and 5455 transitions. Second operand 6 states. [2019-10-02 06:55:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:30,754 INFO L93 Difference]: Finished difference Result 12370 states and 16299 transitions. [2019-10-02 06:55:30,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 06:55:30,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2019-10-02 06:55:30,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:30,838 INFO L225 Difference]: With dead ends: 12370 [2019-10-02 06:55:30,838 INFO L226 Difference]: Without dead ends: 8244 [2019-10-02 06:55:30,861 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 06:55:30,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2019-10-02 06:55:31,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 8244. [2019-10-02 06:55:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8244 states. [2019-10-02 06:55:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8244 states to 8244 states and 10857 transitions. [2019-10-02 06:55:31,332 INFO L78 Accepts]: Start accepts. Automaton has 8244 states and 10857 transitions. Word has length 115 [2019-10-02 06:55:31,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:31,333 INFO L475 AbstractCegarLoop]: Abstraction has 8244 states and 10857 transitions. [2019-10-02 06:55:31,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 06:55:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 8244 states and 10857 transitions. [2019-10-02 06:55:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2019-10-02 06:55:31,387 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:31,389 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:31,389 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:31,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1219890717, now seen corresponding path program 1 times [2019-10-02 06:55:31,390 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:31,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:31,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:31,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:31,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:32,226 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:55:32,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:55:32,227 INFO L224 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 [2019-10-02 06:55:32,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:34,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 6599 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 06:55:34,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:55:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2019-10-02 06:55:35,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:35,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:55:35,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:55:35,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:55:35,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:35,083 INFO L87 Difference]: Start difference. First operand 8244 states and 10857 transitions. Second operand 3 states. [2019-10-02 06:55:36,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:36,167 INFO L93 Difference]: Finished difference Result 23050 states and 30285 transitions. [2019-10-02 06:55:36,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:55:36,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 667 [2019-10-02 06:55:36,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:36,296 INFO L225 Difference]: With dead ends: 23050 [2019-10-02 06:55:36,296 INFO L226 Difference]: Without dead ends: 14845 [2019-10-02 06:55:36,338 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14845 states. [2019-10-02 06:55:37,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14845 to 14742. [2019-10-02 06:55:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14742 states. [2019-10-02 06:55:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14742 states to 14742 states and 19364 transitions. [2019-10-02 06:55:37,297 INFO L78 Accepts]: Start accepts. Automaton has 14742 states and 19364 transitions. Word has length 667 [2019-10-02 06:55:37,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:37,298 INFO L475 AbstractCegarLoop]: Abstraction has 14742 states and 19364 transitions. [2019-10-02 06:55:37,299 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:55:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 14742 states and 19364 transitions. [2019-10-02 06:55:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2019-10-02 06:55:37,382 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:37,383 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:37,383 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:37,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:37,384 INFO L82 PathProgramCache]: Analyzing trace with hash -35562462, now seen corresponding path program 1 times [2019-10-02 06:55:37,384 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:37,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:37,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:37,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:37,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:37,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:55:37,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:55:37,871 INFO L224 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 [2019-10-02 06:55:38,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:40,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 6950 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 06:55:40,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:55:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2019-10-02 06:55:42,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:42,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:55:42,469 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:55:42,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:55:42,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:42,470 INFO L87 Difference]: Start difference. First operand 14742 states and 19364 transitions. Second operand 3 states. [2019-10-02 06:55:43,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:43,324 INFO L93 Difference]: Finished difference Result 37637 states and 49495 transitions. [2019-10-02 06:55:43,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:55:43,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 731 [2019-10-02 06:55:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:43,461 INFO L225 Difference]: With dead ends: 37637 [2019-10-02 06:55:43,461 INFO L226 Difference]: Without dead ends: 22934 [2019-10-02 06:55:43,532 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 729 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:43,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22934 states. [2019-10-02 06:55:44,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22934 to 22915. [2019-10-02 06:55:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22915 states. [2019-10-02 06:55:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22915 states to 22915 states and 30155 transitions. [2019-10-02 06:55:44,573 INFO L78 Accepts]: Start accepts. Automaton has 22915 states and 30155 transitions. Word has length 731 [2019-10-02 06:55:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:44,574 INFO L475 AbstractCegarLoop]: Abstraction has 22915 states and 30155 transitions. [2019-10-02 06:55:44,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:55:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22915 states and 30155 transitions. [2019-10-02 06:55:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2019-10-02 06:55:44,647 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:44,648 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 10, 10, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:44,648 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:44,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:44,649 INFO L82 PathProgramCache]: Analyzing trace with hash -870123314, now seen corresponding path program 1 times [2019-10-02 06:55:44,649 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:44,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:44,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:44,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:44,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:45,124 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:55:45,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:55:45,124 INFO L224 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 [2019-10-02 06:55:45,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:48,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 7176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:55:48,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:55:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-10-02 06:55:48,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:48,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:55:48,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:55:48,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:55:48,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:48,658 INFO L87 Difference]: Start difference. First operand 22915 states and 30155 transitions. Second operand 3 states. [2019-10-02 06:55:51,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:51,625 INFO L93 Difference]: Finished difference Result 54539 states and 71737 transitions. [2019-10-02 06:55:51,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:55:51,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 779 [2019-10-02 06:55:51,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:51,842 INFO L225 Difference]: With dead ends: 54539 [2019-10-02 06:55:51,842 INFO L226 Difference]: Without dead ends: 31672 [2019-10-02 06:55:51,916 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 777 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:51,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31672 states. [2019-10-02 06:55:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31672 to 31593. [2019-10-02 06:55:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31593 states. [2019-10-02 06:55:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31593 states to 31593 states and 41527 transitions. [2019-10-02 06:55:53,847 INFO L78 Accepts]: Start accepts. Automaton has 31593 states and 41527 transitions. Word has length 779 [2019-10-02 06:55:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:53,849 INFO L475 AbstractCegarLoop]: Abstraction has 31593 states and 41527 transitions. [2019-10-02 06:55:53,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:55:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 31593 states and 41527 transitions. [2019-10-02 06:55:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2019-10-02 06:55:53,969 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:53,970 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 10, 10, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:53,970 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:53,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:53,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1390841586, now seen corresponding path program 1 times [2019-10-02 06:55:53,971 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:53,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:53,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:53,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:53,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:54,418 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:55:54,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:55:54,418 INFO L224 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 [2019-10-02 06:55:55,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:57,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 7316 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:55:57,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:55:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1724 trivial. 0 not checked. [2019-10-02 06:55:58,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:58,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:55:58,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:55:58,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:55:58,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:58,145 INFO L87 Difference]: Start difference. First operand 31593 states and 41527 transitions. Second operand 3 states. [2019-10-02 06:56:00,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:00,813 INFO L93 Difference]: Finished difference Result 72389 states and 95051 transitions. [2019-10-02 06:56:00,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:56:00,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 806 [2019-10-02 06:56:00,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:00,984 INFO L225 Difference]: With dead ends: 72389 [2019-10-02 06:56:00,984 INFO L226 Difference]: Without dead ends: 40844 [2019-10-02 06:56:01,053 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:56:01,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40844 states. [2019-10-02 06:56:02,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40844 to 40825. [2019-10-02 06:56:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40825 states. [2019-10-02 06:56:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40825 states to 40825 states and 53549 transitions. [2019-10-02 06:56:02,470 INFO L78 Accepts]: Start accepts. Automaton has 40825 states and 53549 transitions. Word has length 806 [2019-10-02 06:56:02,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:56:02,471 INFO L475 AbstractCegarLoop]: Abstraction has 40825 states and 53549 transitions. [2019-10-02 06:56:02,471 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:56:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 40825 states and 53549 transitions. [2019-10-02 06:56:02,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2019-10-02 06:56:02,557 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:56:02,558 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:56:02,558 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:56:02,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:56:02,559 INFO L82 PathProgramCache]: Analyzing trace with hash -489000168, now seen corresponding path program 1 times [2019-10-02 06:56:02,560 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:56:02,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:56:02,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:02,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:02,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:03,095 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:56:03,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:56:03,096 INFO L224 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 [2019-10-02 06:56:03,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:06,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 7842 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:56:06,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:56:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 2014 trivial. 0 not checked. [2019-10-02 06:56:06,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:56:06,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:56:06,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:56:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:56:06,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:56:06,601 INFO L87 Difference]: Start difference. First operand 40825 states and 53549 transitions. Second operand 3 states. [2019-10-02 06:56:08,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:08,815 INFO L93 Difference]: Finished difference Result 81822 states and 107477 transitions. [2019-10-02 06:56:08,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:56:08,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 920 [2019-10-02 06:56:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:08,994 INFO L225 Difference]: With dead ends: 81822 [2019-10-02 06:56:08,995 INFO L226 Difference]: Without dead ends: 41045 [2019-10-02 06:56:09,083 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 919 GetRequests, 918 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:56:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41045 states. [2019-10-02 06:56:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41045 to 40865. [2019-10-02 06:56:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40865 states. [2019-10-02 06:56:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40865 states to 40865 states and 53589 transitions. [2019-10-02 06:56:10,399 INFO L78 Accepts]: Start accepts. Automaton has 40865 states and 53589 transitions. Word has length 920 [2019-10-02 06:56:10,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:56:10,403 INFO L475 AbstractCegarLoop]: Abstraction has 40865 states and 53589 transitions. [2019-10-02 06:56:10,403 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:56:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 40865 states and 53589 transitions. [2019-10-02 06:56:10,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2019-10-02 06:56:10,492 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:56:10,494 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:56:10,494 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:56:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:56:10,495 INFO L82 PathProgramCache]: Analyzing trace with hash -23382636, now seen corresponding path program 1 times [2019-10-02 06:56:10,495 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:56:10,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:56:10,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:10,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:10,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:10,949 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:56:10,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:56:10,949 INFO L224 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 [2019-10-02 06:56:11,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:13,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 7855 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 06:56:13,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:56:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2134 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2019-10-02 06:56:14,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:56:14,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 06:56:14,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 06:56:14,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 06:56:14,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:56:14,660 INFO L87 Difference]: Start difference. First operand 40865 states and 53589 transitions. Second operand 4 states. [2019-10-02 06:56:15,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:15,730 INFO L93 Difference]: Finished difference Result 81686 states and 107124 transitions. [2019-10-02 06:56:15,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 06:56:15,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 922 [2019-10-02 06:56:15,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:15,890 INFO L225 Difference]: With dead ends: 81686 [2019-10-02 06:56:15,890 INFO L226 Difference]: Without dead ends: 40866 [2019-10-02 06:56:15,978 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 919 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:56:16,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40866 states. [2019-10-02 06:56:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40866 to 40866. [2019-10-02 06:56:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40866 states. [2019-10-02 06:56:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40866 states to 40866 states and 53590 transitions. [2019-10-02 06:56:19,071 INFO L78 Accepts]: Start accepts. Automaton has 40866 states and 53590 transitions. Word has length 922 [2019-10-02 06:56:19,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:56:19,072 INFO L475 AbstractCegarLoop]: Abstraction has 40866 states and 53590 transitions. [2019-10-02 06:56:19,072 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 06:56:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 40866 states and 53590 transitions. [2019-10-02 06:56:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2019-10-02 06:56:19,137 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:56:19,138 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:56:19,138 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:56:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:56:19,139 INFO L82 PathProgramCache]: Analyzing trace with hash 923415126, now seen corresponding path program 1 times [2019-10-02 06:56:19,139 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:56:19,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:56:19,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:19,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:19,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:19,635 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:56:19,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:56:19,636 INFO L224 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 [2019-10-02 06:56:20,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:22,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 7861 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 06:56:22,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:56:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2019-10-02 06:56:22,987 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 06:56:22,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-10-02 06:56:22,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:56:22,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:56:22,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:56:22,989 INFO L87 Difference]: Start difference. First operand 40866 states and 53590 transitions. Second operand 5 states. [2019-10-02 06:56:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:23,588 INFO L93 Difference]: Finished difference Result 81687 states and 107125 transitions. [2019-10-02 06:56:23,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 06:56:23,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 923 [2019-10-02 06:56:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:23,759 INFO L225 Difference]: With dead ends: 81687 [2019-10-02 06:56:23,759 INFO L226 Difference]: Without dead ends: 40867 [2019-10-02 06:56:23,858 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 919 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:56:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40867 states. [2019-10-02 06:56:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40867 to 40867. [2019-10-02 06:56:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40867 states. [2019-10-02 06:56:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40867 states to 40867 states and 53591 transitions. [2019-10-02 06:56:25,022 INFO L78 Accepts]: Start accepts. Automaton has 40867 states and 53591 transitions. Word has length 923 [2019-10-02 06:56:25,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:56:25,023 INFO L475 AbstractCegarLoop]: Abstraction has 40867 states and 53591 transitions. [2019-10-02 06:56:25,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:56:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 40867 states and 53591 transitions. [2019-10-02 06:56:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2019-10-02 06:56:25,065 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:56:25,066 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:56:25,066 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:56:25,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:56:25,066 INFO L82 PathProgramCache]: Analyzing trace with hash 209374676, now seen corresponding path program 2 times [2019-10-02 06:56:25,067 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:56:25,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:56:25,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:25,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:25,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:25,512 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:56:25,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:56:25,512 INFO L224 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 [2019-10-02 06:56:26,200 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 06:56:27,826 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-02 06:56:27,827 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 06:56:27,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 3809 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-02 06:56:27,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:56:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2137 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 2046 trivial. 0 not checked. [2019-10-02 06:56:28,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:56:28,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:56:28,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:56:28,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:56:28,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:56:28,235 INFO L87 Difference]: Start difference. First operand 40867 states and 53591 transitions. Second operand 5 states. [2019-10-02 06:56:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:28,824 INFO L93 Difference]: Finished difference Result 81810 states and 107462 transitions. [2019-10-02 06:56:28,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 06:56:28,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 924 [2019-10-02 06:56:28,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:28,990 INFO L225 Difference]: With dead ends: 81810 [2019-10-02 06:56:28,990 INFO L226 Difference]: Without dead ends: 40993 [2019-10-02 06:56:29,073 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 920 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:56:29,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40993 states. [2019-10-02 06:56:31,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40993 to 40967. [2019-10-02 06:56:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40967 states. [2019-10-02 06:56:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40967 states to 40967 states and 53703 transitions. [2019-10-02 06:56:31,938 INFO L78 Accepts]: Start accepts. Automaton has 40967 states and 53703 transitions. Word has length 924 [2019-10-02 06:56:31,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:56:31,939 INFO L475 AbstractCegarLoop]: Abstraction has 40967 states and 53703 transitions. [2019-10-02 06:56:31,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:56:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 40967 states and 53703 transitions. [2019-10-02 06:56:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2019-10-02 06:56:31,979 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:56:31,980 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 14, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:56:31,980 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:56:31,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:56:31,980 INFO L82 PathProgramCache]: Analyzing trace with hash 228508557, now seen corresponding path program 1 times [2019-10-02 06:56:31,980 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:56:31,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:56:31,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:31,990 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 06:56:31,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:32,380 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:56:32,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:56:32,380 INFO L224 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 [2019-10-02 06:56:33,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:34,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 7900 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 06:56:34,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:56:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2137 backedges. 200 proven. 3 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2019-10-02 06:56:35,168 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 06:56:35,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 06:56:35,170 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 06:56:35,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 06:56:35,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:56:35,170 INFO L87 Difference]: Start difference. First operand 40967 states and 53703 transitions. Second operand 6 states. [2019-10-02 06:56:35,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:35,969 INFO L93 Difference]: Finished difference Result 81888 states and 107350 transitions. [2019-10-02 06:56:35,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 06:56:35,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 929 [2019-10-02 06:56:35,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:36,084 INFO L225 Difference]: With dead ends: 81888 [2019-10-02 06:56:36,085 INFO L226 Difference]: Without dead ends: 40968 [2019-10-02 06:56:36,143 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 929 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-02 06:56:36,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40968 states. [2019-10-02 06:56:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40968 to 40968. [2019-10-02 06:56:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40968 states. [2019-10-02 06:56:36,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40968 states to 40968 states and 53704 transitions. [2019-10-02 06:56:36,976 INFO L78 Accepts]: Start accepts. Automaton has 40968 states and 53704 transitions. Word has length 929 [2019-10-02 06:56:36,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:56:36,977 INFO L475 AbstractCegarLoop]: Abstraction has 40968 states and 53704 transitions. [2019-10-02 06:56:36,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 06:56:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 40968 states and 53704 transitions. [2019-10-02 06:56:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 931 [2019-10-02 06:56:37,028 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:56:37,028 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 14, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:56:37,029 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:56:37,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:56:37,029 INFO L82 PathProgramCache]: Analyzing trace with hash 2118142091, now seen corresponding path program 2 times [2019-10-02 06:56:37,030 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:56:37,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:56:37,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:37,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:56:37,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:56:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:56:37,463 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:56:37,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:56:37,463 INFO L224 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 [2019-10-02 06:56:38,081 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 06:56:52,026 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 06:56:52,026 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 06:56:52,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 7906 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-02 06:56:52,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:56:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2122 trivial. 0 not checked. [2019-10-02 06:56:52,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:56:52,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 06:56:52,968 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 06:56:52,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 06:56:52,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 06:56:52,968 INFO L87 Difference]: Start difference. First operand 40968 states and 53704 transitions. Second operand 9 states. [2019-10-02 06:56:56,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:56:56,740 INFO L93 Difference]: Finished difference Result 122978 states and 161220 transitions. [2019-10-02 06:56:56,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 06:56:56,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 930 [2019-10-02 06:56:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:56:57,129 INFO L225 Difference]: With dead ends: 122978 [2019-10-02 06:56:57,130 INFO L226 Difference]: Without dead ends: 82061 [2019-10-02 06:56:57,251 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 922 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2019-10-02 06:56:57,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82061 states. [2019-10-02 06:57:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82061 to 41040. [2019-10-02 06:57:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41040 states. [2019-10-02 06:57:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41040 states to 41040 states and 53798 transitions. [2019-10-02 06:57:01,215 INFO L78 Accepts]: Start accepts. Automaton has 41040 states and 53798 transitions. Word has length 930 [2019-10-02 06:57:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:57:01,217 INFO L475 AbstractCegarLoop]: Abstraction has 41040 states and 53798 transitions. [2019-10-02 06:57:01,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 06:57:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41040 states and 53798 transitions. [2019-10-02 06:57:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 931 [2019-10-02 06:57:01,284 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:57:01,285 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 14, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:57:01,285 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:57:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:57:01,286 INFO L82 PathProgramCache]: Analyzing trace with hash -2114785591, now seen corresponding path program 1 times [2019-10-02 06:57:01,286 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:57:01,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:57:01,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:01,298 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 06:57:01,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:01,704 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:57:01,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:57:01,704 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:57:02,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:04,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 7903 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 06:57:04,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:57:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2019-10-02 06:57:04,907 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 06:57:04,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-10-02 06:57:04,908 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 06:57:04,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 06:57:04,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-02 06:57:04,909 INFO L87 Difference]: Start difference. First operand 41040 states and 53798 transitions. Second operand 7 states. [2019-10-02 06:57:05,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:57:05,563 INFO L93 Difference]: Finished difference Result 82033 states and 107539 transitions. [2019-10-02 06:57:05,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 06:57:05,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 930 [2019-10-02 06:57:05,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:57:05,666 INFO L225 Difference]: With dead ends: 82033 [2019-10-02 06:57:05,666 INFO L226 Difference]: Without dead ends: 41041 [2019-10-02 06:57:05,729 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 930 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-02 06:57:05,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41041 states. [2019-10-02 06:57:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41041 to 41041. [2019-10-02 06:57:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41041 states. [2019-10-02 06:57:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41041 states to 41041 states and 53799 transitions. [2019-10-02 06:57:06,746 INFO L78 Accepts]: Start accepts. Automaton has 41041 states and 53799 transitions. Word has length 930 [2019-10-02 06:57:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:57:06,747 INFO L475 AbstractCegarLoop]: Abstraction has 41041 states and 53799 transitions. [2019-10-02 06:57:06,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 06:57:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 41041 states and 53799 transitions. [2019-10-02 06:57:06,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2019-10-02 06:57:06,811 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:57:06,812 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 14, 11, 11, 11, 11, 11, 11, 11, 8, 8, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 06:57:06,812 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:57:06,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:57:06,813 INFO L82 PathProgramCache]: Analyzing trace with hash 629279115, now seen corresponding path program 2 times [2019-10-02 06:57:06,813 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:57:06,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:57:06,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:06,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:06,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:07,207 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:57:07,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:57:07,207 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:57:07,877 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 06:57:22,350 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 06:57:22,350 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 06:57:22,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 7909 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 06:57:22,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:57:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2144 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 2030 trivial. 0 not checked. [2019-10-02 06:57:22,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:57:22,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:57:22,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:57:22,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:57:22,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:57:22,870 INFO L87 Difference]: Start difference. First operand 41041 states and 53799 transitions. Second operand 5 states. [2019-10-02 06:57:26,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:57:26,227 INFO L93 Difference]: Finished difference Result 101027 states and 132489 transitions. [2019-10-02 06:57:26,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 06:57:26,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 931 [2019-10-02 06:57:26,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:57:26,376 INFO L225 Difference]: With dead ends: 101027 [2019-10-02 06:57:26,377 INFO L226 Difference]: Without dead ends: 60038 [2019-10-02 06:57:26,446 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 927 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 06:57:26,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60038 states. [2019-10-02 06:57:28,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60038 to 41057. [2019-10-02 06:57:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41057 states. [2019-10-02 06:57:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41057 states to 41057 states and 53811 transitions. [2019-10-02 06:57:28,112 INFO L78 Accepts]: Start accepts. Automaton has 41057 states and 53811 transitions. Word has length 931 [2019-10-02 06:57:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:57:28,112 INFO L475 AbstractCegarLoop]: Abstraction has 41057 states and 53811 transitions. [2019-10-02 06:57:28,113 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:57:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 41057 states and 53811 transitions. [2019-10-02 06:57:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1024 [2019-10-02 06:57:28,171 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:57:28,172 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 10, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 06:57:28,172 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:57:28,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:57:28,173 INFO L82 PathProgramCache]: Analyzing trace with hash -399778807, now seen corresponding path program 1 times [2019-10-02 06:57:28,173 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:57:28,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:57:28,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:28,183 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 06:57:28,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:28,629 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:57:28,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:57:28,629 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:57:29,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:31,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 8305 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:57:31,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:57:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 949 proven. 0 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2019-10-02 06:57:32,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:57:32,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:57:32,351 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:57:32,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:57:32,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:57:32,351 INFO L87 Difference]: Start difference. First operand 41057 states and 53811 transitions. Second operand 3 states. [2019-10-02 06:57:33,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:57:33,825 INFO L93 Difference]: Finished difference Result 97557 states and 127922 transitions. [2019-10-02 06:57:33,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:57:33,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1023 [2019-10-02 06:57:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:57:33,993 INFO L225 Difference]: With dead ends: 97557 [2019-10-02 06:57:33,993 INFO L226 Difference]: Without dead ends: 56552 [2019-10-02 06:57:34,072 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1022 GetRequests, 1021 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:57:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56552 states. [2019-10-02 06:57:35,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56552 to 56349. [2019-10-02 06:57:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56349 states. [2019-10-02 06:57:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56349 states to 56349 states and 73692 transitions. [2019-10-02 06:57:36,011 INFO L78 Accepts]: Start accepts. Automaton has 56349 states and 73692 transitions. Word has length 1023 [2019-10-02 06:57:36,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:57:36,012 INFO L475 AbstractCegarLoop]: Abstraction has 56349 states and 73692 transitions. [2019-10-02 06:57:36,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:57:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 56349 states and 73692 transitions. [2019-10-02 06:57:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2019-10-02 06:57:36,081 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:57:36,081 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 10, 10, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:57:36,082 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:57:36,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:57:36,082 INFO L82 PathProgramCache]: Analyzing trace with hash 774446536, now seen corresponding path program 1 times [2019-10-02 06:57:36,082 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:57:36,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:57:36,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:36,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:36,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:36,545 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:57:36,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:57:36,545 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:57:37,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:39,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 8364 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 06:57:39,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:57:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2803 backedges. 1106 proven. 0 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2019-10-02 06:57:42,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:57:42,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 06:57:42,550 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 06:57:42,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 06:57:42,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:57:42,551 INFO L87 Difference]: Start difference. First operand 56349 states and 73692 transitions. Second operand 4 states. [2019-10-02 06:57:51,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:57:51,750 INFO L93 Difference]: Finished difference Result 155762 states and 203482 transitions. [2019-10-02 06:57:51,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 06:57:51,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1046 [2019-10-02 06:57:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:57:52,129 INFO L225 Difference]: With dead ends: 155762 [2019-10-02 06:57:52,129 INFO L226 Difference]: Without dead ends: 155743 [2019-10-02 06:57:52,160 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1045 GetRequests, 1043 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:57:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155743 states. [2019-10-02 06:57:55,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155743 to 155665. [2019-10-02 06:57:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155665 states. [2019-10-02 06:58:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155665 states to 155665 states and 203376 transitions. [2019-10-02 06:58:01,088 INFO L78 Accepts]: Start accepts. Automaton has 155665 states and 203376 transitions. Word has length 1046 [2019-10-02 06:58:01,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:58:01,089 INFO L475 AbstractCegarLoop]: Abstraction has 155665 states and 203376 transitions. [2019-10-02 06:58:01,089 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 06:58:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 155665 states and 203376 transitions. [2019-10-02 06:58:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2019-10-02 06:58:01,239 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:58:01,240 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 10, 10, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 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] [2019-10-02 06:58:01,240 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:58:01,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:58:01,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1890562583, now seen corresponding path program 1 times [2019-10-02 06:58:01,241 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:58:01,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:58:01,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:01,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:01,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:58:01,617 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 06:58:01,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:58:01,617 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:58:02,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:58:04,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 8419 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:58:04,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:58:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2823 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 2545 trivial. 0 not checked. [2019-10-02 06:58:05,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:58:05,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:58:05,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:58:05,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:58:05,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:58:05,545 INFO L87 Difference]: Start difference. First operand 155665 states and 203376 transitions. Second operand 3 states. [2019-10-02 06:58:10,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:58:10,059 INFO L93 Difference]: Finished difference Result 233158 states and 304770 transitions. [2019-10-02 06:58:10,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:58:10,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1057 [2019-10-02 06:58:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:58:10,242 INFO L225 Difference]: With dead ends: 233158 [2019-10-02 06:58:10,242 INFO L226 Difference]: Without dead ends: 75681 [2019-10-02 06:58:10,398 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 1055 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:58:10,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75681 states. [2019-10-02 06:58:12,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75681 to 74590. [2019-10-02 06:58:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74590 states. [2019-10-02 06:58:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74590 states to 74590 states and 97470 transitions. [2019-10-02 06:58:12,831 INFO L78 Accepts]: Start accepts. Automaton has 74590 states and 97470 transitions. Word has length 1057 [2019-10-02 06:58:12,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:58:12,832 INFO L475 AbstractCegarLoop]: Abstraction has 74590 states and 97470 transitions. [2019-10-02 06:58:12,832 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:58:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 74590 states and 97470 transitions. [2019-10-02 06:58:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2019-10-02 06:58:12,910 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:58:12,911 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:58:12,911 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:58:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:58:12,912 INFO L82 PathProgramCache]: Analyzing trace with hash 86680454, now seen corresponding path program 1 times [2019-10-02 06:58:12,912 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:58:12,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:58:12,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:12,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:12,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:13,057 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:58:13,057 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:58:13,057 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:58:13,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:58:15,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 8426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:58:15,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:58:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 2785 trivial. 0 not checked. [2019-10-02 06:58:19,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:58:19,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:58:19,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:58:19,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:58:19,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:58:19,999 INFO L87 Difference]: Start difference. First operand 74590 states and 97470 transitions. Second operand 3 states. [2019-10-02 06:58:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:58:24,465 INFO L93 Difference]: Finished difference Result 169229 states and 220927 transitions. [2019-10-02 06:58:24,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:58:24,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1069 [2019-10-02 06:58:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:58:24,695 INFO L225 Difference]: With dead ends: 169229 [2019-10-02 06:58:24,695 INFO L226 Difference]: Without dead ends: 95203 [2019-10-02 06:58:24,787 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 1067 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:58:24,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95203 states. [2019-10-02 06:58:27,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95203 to 94952. [2019-10-02 06:58:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94952 states. [2019-10-02 06:58:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94952 states to 94952 states and 123590 transitions. [2019-10-02 06:58:27,591 INFO L78 Accepts]: Start accepts. Automaton has 94952 states and 123590 transitions. Word has length 1069 [2019-10-02 06:58:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:58:27,592 INFO L475 AbstractCegarLoop]: Abstraction has 94952 states and 123590 transitions. [2019-10-02 06:58:27,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:58:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 94952 states and 123590 transitions. [2019-10-02 06:58:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2019-10-02 06:58:27,690 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:58:27,691 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:58:27,691 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:58:27,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:58:27,692 INFO L82 PathProgramCache]: Analyzing trace with hash 71161736, now seen corresponding path program 1 times [2019-10-02 06:58:27,692 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:58:27,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:58:27,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:27,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:27,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:27,826 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:58:27,827 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:58:27,827 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:58:28,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:58:30,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 8423 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 06:58:30,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:58:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 2394 trivial. 0 not checked. [2019-10-02 06:58:31,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:58:31,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 06:58:31,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 06:58:31,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 06:58:31,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:58:31,603 INFO L87 Difference]: Start difference. First operand 94952 states and 123590 transitions. Second operand 4 states. [2019-10-02 06:58:34,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:58:34,085 INFO L93 Difference]: Finished difference Result 191828 states and 250675 transitions. [2019-10-02 06:58:34,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 06:58:34,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1069 [2019-10-02 06:58:34,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:58:34,345 INFO L225 Difference]: With dead ends: 191828 [2019-10-02 06:58:34,346 INFO L226 Difference]: Without dead ends: 97440 [2019-10-02 06:58:34,470 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 1066 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:58:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97440 states. [2019-10-02 06:58:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97440 to 95024. [2019-10-02 06:58:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95024 states. [2019-10-02 06:58:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95024 states to 95024 states and 123662 transitions. [2019-10-02 06:58:40,984 INFO L78 Accepts]: Start accepts. Automaton has 95024 states and 123662 transitions. Word has length 1069 [2019-10-02 06:58:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:58:40,985 INFO L475 AbstractCegarLoop]: Abstraction has 95024 states and 123662 transitions. [2019-10-02 06:58:40,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 06:58:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 95024 states and 123662 transitions. [2019-10-02 06:58:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1072 [2019-10-02 06:58:41,095 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:58:41,095 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:58:41,096 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:58:41,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:58:41,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1707104407, now seen corresponding path program 1 times [2019-10-02 06:58:41,096 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:58:41,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:58:41,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:41,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:41,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:41,212 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:58:41,213 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:58:41,213 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:58:41,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:58:43,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 8425 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 06:58:43,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:58:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 2642 trivial. 0 not checked. [2019-10-02 06:58:45,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:58:45,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:58:45,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:58:45,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:58:45,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:58:45,242 INFO L87 Difference]: Start difference. First operand 95024 states and 123662 transitions. Second operand 5 states. [2019-10-02 06:58:47,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:58:47,449 INFO L93 Difference]: Finished difference Result 189732 states and 247089 transitions. [2019-10-02 06:58:47,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 06:58:47,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1071 [2019-10-02 06:58:47,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:58:47,692 INFO L225 Difference]: With dead ends: 189732 [2019-10-02 06:58:47,692 INFO L226 Difference]: Without dead ends: 95272 [2019-10-02 06:58:47,817 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1070 GetRequests, 1067 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:58:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95272 states. [2019-10-02 06:58:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95272 to 95168. [2019-10-02 06:58:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95168 states. [2019-10-02 06:58:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95168 states to 95168 states and 123806 transitions. [2019-10-02 06:58:50,658 INFO L78 Accepts]: Start accepts. Automaton has 95168 states and 123806 transitions. Word has length 1071 [2019-10-02 06:58:50,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:58:50,659 INFO L475 AbstractCegarLoop]: Abstraction has 95168 states and 123806 transitions. [2019-10-02 06:58:50,659 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:58:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 95168 states and 123806 transitions. [2019-10-02 06:58:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2019-10-02 06:58:50,765 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:58:50,766 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:58:50,766 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:58:50,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:58:50,767 INFO L82 PathProgramCache]: Analyzing trace with hash -213650822, now seen corresponding path program 1 times [2019-10-02 06:58:50,767 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:58:50,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:58:50,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:50,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:50,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:58:50,877 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:58:50,877 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:58:50,877 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:58:51,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:58:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:58:57,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 8531 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:58:57,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:58:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 2642 trivial. 0 not checked. [2019-10-02 06:58:57,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:58:57,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:58:57,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:58:57,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:58:57,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:58:57,630 INFO L87 Difference]: Start difference. First operand 95168 states and 123806 transitions. Second operand 3 states. [2019-10-02 06:58:59,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:58:59,616 INFO L93 Difference]: Finished difference Result 189844 states and 247193 transitions. [2019-10-02 06:58:59,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:58:59,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1097 [2019-10-02 06:58:59,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:58:59,869 INFO L225 Difference]: With dead ends: 189844 [2019-10-02 06:58:59,870 INFO L226 Difference]: Without dead ends: 95240 [2019-10-02 06:59:00,002 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1095 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:59:00,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95240 states. [2019-10-02 06:59:02,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95240 to 95204. [2019-10-02 06:59:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95204 states. [2019-10-02 06:59:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95204 states to 95204 states and 123842 transitions. [2019-10-02 06:59:02,703 INFO L78 Accepts]: Start accepts. Automaton has 95204 states and 123842 transitions. Word has length 1097 [2019-10-02 06:59:02,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:59:02,704 INFO L475 AbstractCegarLoop]: Abstraction has 95204 states and 123842 transitions. [2019-10-02 06:59:02,704 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:59:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 95204 states and 123842 transitions. [2019-10-02 06:59:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2019-10-02 06:59:02,816 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:59:02,817 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:59:02,817 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:59:02,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:59:02,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1823774282, now seen corresponding path program 1 times [2019-10-02 06:59:02,818 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:59:02,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:59:02,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:59:02,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:59:02,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:59:02,949 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:59:02,950 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:59:02,950 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:59:03,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:59:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:59:06,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 8546 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 06:59:06,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:59:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 479 proven. 1 refuted. 0 times theorem prover too weak. 2642 trivial. 0 not checked. [2019-10-02 06:59:06,516 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 06:59:06,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-10-02 06:59:06,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 06:59:06,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 06:59:06,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:59:06,517 INFO L87 Difference]: Start difference. First operand 95204 states and 123842 transitions. Second operand 4 states. [2019-10-02 06:59:08,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:59:08,915 INFO L93 Difference]: Finished difference Result 189952 states and 247301 transitions. [2019-10-02 06:59:08,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 06:59:08,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1099 [2019-10-02 06:59:08,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:59:09,174 INFO L225 Difference]: With dead ends: 189952 [2019-10-02 06:59:09,174 INFO L226 Difference]: Without dead ends: 95312 [2019-10-02 06:59:09,310 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1098 GetRequests, 1096 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 06:59:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95312 states. [2019-10-02 06:59:12,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95312 to 95276. [2019-10-02 06:59:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95276 states. [2019-10-02 06:59:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95276 states to 95276 states and 123914 transitions. [2019-10-02 06:59:12,364 INFO L78 Accepts]: Start accepts. Automaton has 95276 states and 123914 transitions. Word has length 1099 [2019-10-02 06:59:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:59:12,365 INFO L475 AbstractCegarLoop]: Abstraction has 95276 states and 123914 transitions. [2019-10-02 06:59:12,365 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 06:59:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 95276 states and 123914 transitions. [2019-10-02 06:59:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1102 [2019-10-02 06:59:12,469 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:59:12,470 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:59:12,470 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:59:12,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:59:12,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1330774514, now seen corresponding path program 2 times [2019-10-02 06:59:12,471 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:59:12,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:59:12,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:59:12,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:59:12,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:59:12,592 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:59:12,592 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:59:12,592 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:59:14,055 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 06:59:32,270 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 06:59:32,270 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 06:59:32,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 8561 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 06:59:32,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:59:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3125 backedges. 479 proven. 4 refuted. 0 times theorem prover too weak. 2642 trivial. 0 not checked. [2019-10-02 06:59:36,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 06:59:36,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-10-02 06:59:36,763 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:59:36,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:59:36,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:59:36,764 INFO L87 Difference]: Start difference. First operand 95276 states and 123914 transitions. Second operand 5 states. [2019-10-02 06:59:39,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:59:39,159 INFO L93 Difference]: Finished difference Result 190096 states and 247445 transitions. [2019-10-02 06:59:39,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 06:59:39,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1101 [2019-10-02 06:59:39,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:59:39,414 INFO L225 Difference]: With dead ends: 190096 [2019-10-02 06:59:39,414 INFO L226 Difference]: Without dead ends: 95384 [2019-10-02 06:59:39,524 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1097 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:59:39,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95384 states. [2019-10-02 06:59:42,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95384 to 95348. [2019-10-02 06:59:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95348 states. [2019-10-02 06:59:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95348 states to 95348 states and 123986 transitions. [2019-10-02 06:59:42,323 INFO L78 Accepts]: Start accepts. Automaton has 95348 states and 123986 transitions. Word has length 1101 [2019-10-02 06:59:42,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:59:42,324 INFO L475 AbstractCegarLoop]: Abstraction has 95348 states and 123986 transitions. [2019-10-02 06:59:42,324 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:59:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 95348 states and 123986 transitions. [2019-10-02 06:59:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2019-10-02 06:59:42,435 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:59:42,436 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:59:42,436 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:59:42,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:59:42,437 INFO L82 PathProgramCache]: Analyzing trace with hash 605256494, now seen corresponding path program 3 times [2019-10-02 06:59:42,437 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:59:42,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:59:42,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:59:42,448 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 06:59:42,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:59:42,574 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 06:59:42,574 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 06:59:42,574 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 06:59:43,248 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 07:00:26,611 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-02 07:00:26,611 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:00:26,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 39 conjunts are in the unsatisfiable core [2019-10-02 07:00:26,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:00:27,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3130 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 2931 trivial. 0 not checked. [2019-10-02 07:00:27,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:00:27,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 07:00:27,932 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 07:00:27,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 07:00:27,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:00:27,933 INFO L87 Difference]: Start difference. First operand 95348 states and 123986 transitions. Second operand 9 states. [2019-10-02 07:00:30,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:00:30,557 INFO L93 Difference]: Finished difference Result 190492 states and 247895 transitions. [2019-10-02 07:00:30,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 07:00:30,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1103 [2019-10-02 07:00:30,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:00:30,837 INFO L225 Difference]: With dead ends: 190492 [2019-10-02 07:00:30,837 INFO L226 Difference]: Without dead ends: 95708 [2019-10-02 07:00:30,973 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1102 GetRequests, 1095 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:00:31,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95708 states. [2019-10-02 07:00:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95708 to 95708. [2019-10-02 07:00:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95708 states. [2019-10-02 07:00:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95708 states to 95708 states and 124382 transitions. [2019-10-02 07:00:34,194 INFO L78 Accepts]: Start accepts. Automaton has 95708 states and 124382 transitions. Word has length 1103 [2019-10-02 07:00:34,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:00:34,195 INFO L475 AbstractCegarLoop]: Abstraction has 95708 states and 124382 transitions. [2019-10-02 07:00:34,195 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 07:00:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 95708 states and 124382 transitions. [2019-10-02 07:00:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2019-10-02 07:00:34,304 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:00:34,305 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:00:34,305 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:00:34,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:00:34,306 INFO L82 PathProgramCache]: Analyzing trace with hash -356368721, now seen corresponding path program 1 times [2019-10-02 07:00:34,306 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:00:34,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:00:34,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:00:34,317 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:00:34,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:00:34,448 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 07:00:34,448 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 07:00:34,448 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 07:00:35,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:00:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:00:37,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 8594 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 07:00:37,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:00:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3130 backedges. 479 proven. 9 refuted. 0 times theorem prover too weak. 2642 trivial. 0 not checked. [2019-10-02 07:00:38,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:00:38,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 07:00:38,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:00:38,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:00:38,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:00:38,325 INFO L87 Difference]: Start difference. First operand 95708 states and 124382 transitions. Second operand 6 states. [2019-10-02 07:00:43,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:00:43,023 INFO L93 Difference]: Finished difference Result 190960 states and 248381 transitions. [2019-10-02 07:00:43,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:00:43,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1103 [2019-10-02 07:00:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:00:43,304 INFO L225 Difference]: With dead ends: 190960 [2019-10-02 07:00:43,305 INFO L226 Difference]: Without dead ends: 95816 [2019-10-02 07:00:43,456 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1102 GetRequests, 1098 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:00:43,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95816 states. [2019-10-02 07:00:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95816 to 95780. [2019-10-02 07:00:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95780 states. [2019-10-02 07:00:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95780 states to 95780 states and 124454 transitions. [2019-10-02 07:00:46,899 INFO L78 Accepts]: Start accepts. Automaton has 95780 states and 124454 transitions. Word has length 1103 [2019-10-02 07:00:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:00:46,900 INFO L475 AbstractCegarLoop]: Abstraction has 95780 states and 124454 transitions. [2019-10-02 07:00:46,900 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:00:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 95780 states and 124454 transitions. [2019-10-02 07:00:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2019-10-02 07:00:46,999 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:00:47,000 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:00:47,000 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:00:47,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:00:47,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1794483989, now seen corresponding path program 2 times [2019-10-02 07:00:47,001 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:00:47,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:00:47,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:00:47,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:00:47,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:00:47,127 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 07:00:47,127 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 07:00:47,127 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 07:00:47,790 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 07:01:05,369 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 07:01:05,370 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:01:05,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 8609 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 07:01:05,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:01:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3137 backedges. 479 proven. 16 refuted. 0 times theorem prover too weak. 2642 trivial. 0 not checked. [2019-10-02 07:01:08,935 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:01:08,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-10-02 07:01:08,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 07:01:08,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 07:01:08,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-10-02 07:01:08,937 INFO L87 Difference]: Start difference. First operand 95780 states and 124454 transitions. Second operand 7 states. [2019-10-02 07:01:11,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:01:11,300 INFO L93 Difference]: Finished difference Result 191104 states and 248525 transitions. [2019-10-02 07:01:11,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:01:11,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1105 [2019-10-02 07:01:11,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:01:11,539 INFO L225 Difference]: With dead ends: 191104 [2019-10-02 07:01:11,539 INFO L226 Difference]: Without dead ends: 95888 [2019-10-02 07:01:11,658 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1104 GetRequests, 1099 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-10-02 07:01:11,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95888 states. [2019-10-02 07:01:14,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95888 to 95852. [2019-10-02 07:01:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95852 states. [2019-10-02 07:01:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95852 states to 95852 states and 124526 transitions. [2019-10-02 07:01:14,453 INFO L78 Accepts]: Start accepts. Automaton has 95852 states and 124526 transitions. Word has length 1105 [2019-10-02 07:01:14,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:01:14,454 INFO L475 AbstractCegarLoop]: Abstraction has 95852 states and 124526 transitions. [2019-10-02 07:01:14,454 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 07:01:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 95852 states and 124526 transitions. [2019-10-02 07:01:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1108 [2019-10-02 07:01:14,556 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:01:14,556 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:01:14,557 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:01:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:01:14,557 INFO L82 PathProgramCache]: Analyzing trace with hash -843787225, now seen corresponding path program 3 times [2019-10-02 07:01:14,558 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:01:14,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:01:14,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:01:14,568 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:01:14,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:01:14,694 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 07:01:14,694 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 07:01:14,694 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 07:01:15,293 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 07:02:07,123 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-02 07:02:07,124 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:02:07,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 5066 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 07:02:07,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:02:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3146 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 2954 trivial. 0 not checked. [2019-10-02 07:02:08,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:02:08,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-10-02 07:02:08,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 07:02:08,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 07:02:08,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:02:08,604 INFO L87 Difference]: Start difference. First operand 95852 states and 124526 transitions. Second operand 4 states. [2019-10-02 07:02:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:02:10,880 INFO L93 Difference]: Finished difference Result 191860 states and 249695 transitions. [2019-10-02 07:02:10,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 07:02:10,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1107 [2019-10-02 07:02:10,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:02:11,149 INFO L225 Difference]: With dead ends: 191860 [2019-10-02 07:02:11,150 INFO L226 Difference]: Without dead ends: 96572 [2019-10-02 07:02:11,293 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1106 GetRequests, 1104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:02:11,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96572 states. [2019-10-02 07:02:13,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96572 to 96068. [2019-10-02 07:02:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96068 states. [2019-10-02 07:02:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96068 states to 96068 states and 124832 transitions. [2019-10-02 07:02:14,207 INFO L78 Accepts]: Start accepts. Automaton has 96068 states and 124832 transitions. Word has length 1107 [2019-10-02 07:02:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:02:14,208 INFO L475 AbstractCegarLoop]: Abstraction has 96068 states and 124832 transitions. [2019-10-02 07:02:14,208 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 07:02:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 96068 states and 124832 transitions. [2019-10-02 07:02:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1110 [2019-10-02 07:02:18,559 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:02:18,560 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:02:18,560 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:02:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:02:18,561 INFO L82 PathProgramCache]: Analyzing trace with hash 758991267, now seen corresponding path program 4 times [2019-10-02 07:02:18,561 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:02:18,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:02:18,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:02:18,569 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:02:18,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:02:18,680 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 07:02:18,680 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 07:02:18,680 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 07:02:19,328 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 07:02:21,369 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 07:02:21,369 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:02:21,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 8637 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 07:02:21,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:02:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3149 backedges. 1192 proven. 8 refuted. 0 times theorem prover too weak. 1949 trivial. 0 not checked. [2019-10-02 07:02:22,387 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:02:22,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-10-02 07:02:22,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:02:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:02:22,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:02:22,389 INFO L87 Difference]: Start difference. First operand 96068 states and 124832 transitions. Second operand 5 states. [2019-10-02 07:02:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:02:35,232 INFO L93 Difference]: Finished difference Result 155215 states and 201468 transitions. [2019-10-02 07:02:35,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:02:35,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1109 [2019-10-02 07:02:35,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:02:35,568 INFO L225 Difference]: With dead ends: 155215 [2019-10-02 07:02:35,569 INFO L226 Difference]: Without dead ends: 139219 [2019-10-02 07:02:35,611 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1108 GetRequests, 1105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:02:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139219 states. [2019-10-02 07:02:38,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139219 to 58623. [2019-10-02 07:02:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58623 states. [2019-10-02 07:02:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58623 states to 58623 states and 75998 transitions. [2019-10-02 07:02:38,338 INFO L78 Accepts]: Start accepts. Automaton has 58623 states and 75998 transitions. Word has length 1109 [2019-10-02 07:02:38,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:02:38,339 INFO L475 AbstractCegarLoop]: Abstraction has 58623 states and 75998 transitions. [2019-10-02 07:02:38,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:02:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 58623 states and 75998 transitions. [2019-10-02 07:02:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1110 [2019-10-02 07:02:38,415 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:02:38,415 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:02:38,416 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:02:38,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:02:38,416 INFO L82 PathProgramCache]: Analyzing trace with hash -522438107, now seen corresponding path program 1 times [2019-10-02 07:02:38,416 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:02:38,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:02:38,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:02:38,427 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:02:38,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:02:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:02:38,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:02:38,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:02:38,769 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:02:39,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:02:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:02:41,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 8632 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-02 07:02:41,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:02:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3149 backedges. 479 proven. 25 refuted. 0 times theorem prover too weak. 2645 trivial. 0 not checked. [2019-10-02 07:02:42,347 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:02:42,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 07:02:42,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 07:02:42,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 07:02:42,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:02:42,349 INFO L87 Difference]: Start difference. First operand 58623 states and 75998 transitions. Second operand 8 states. [2019-10-02 07:02:44,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:02:44,239 INFO L93 Difference]: Finished difference Result 116742 states and 151467 transitions. [2019-10-02 07:02:44,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 07:02:44,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1109 [2019-10-02 07:02:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:02:44,407 INFO L225 Difference]: With dead ends: 116742 [2019-10-02 07:02:44,407 INFO L226 Difference]: Without dead ends: 58683 [2019-10-02 07:02:44,501 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1108 GetRequests, 1102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:02:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58683 states. [2019-10-02 07:02:46,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58683 to 58663. [2019-10-02 07:02:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58663 states. [2019-10-02 07:02:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58663 states to 58663 states and 76038 transitions. [2019-10-02 07:02:46,569 INFO L78 Accepts]: Start accepts. Automaton has 58663 states and 76038 transitions. Word has length 1109 [2019-10-02 07:02:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:02:46,570 INFO L475 AbstractCegarLoop]: Abstraction has 58663 states and 76038 transitions. [2019-10-02 07:02:46,570 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 07:02:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 58663 states and 76038 transitions. [2019-10-02 07:02:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2019-10-02 07:02:46,645 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:02:46,646 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:02:46,646 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:02:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:02:46,646 INFO L82 PathProgramCache]: Analyzing trace with hash 287612641, now seen corresponding path program 2 times [2019-10-02 07:02:46,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:02:46,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:02:46,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:02:46,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:02:46,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:02:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:02:46,974 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:02:46,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:02:46,975 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:02:47,650 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 07:03:02,166 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 07:03:02,166 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:03:02,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 8647 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-02 07:03:02,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:03:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 479 proven. 36 refuted. 0 times theorem prover too weak. 2645 trivial. 0 not checked. [2019-10-02 07:03:02,791 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:03:02,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-10-02 07:03:02,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 07:03:02,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 07:03:02,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:03:02,794 INFO L87 Difference]: Start difference. First operand 58663 states and 76038 transitions. Second operand 9 states. [2019-10-02 07:03:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:04,967 INFO L93 Difference]: Finished difference Result 116822 states and 151547 transitions. [2019-10-02 07:03:04,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 07:03:04,969 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1111 [2019-10-02 07:03:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:05,159 INFO L225 Difference]: With dead ends: 116822 [2019-10-02 07:03:05,159 INFO L226 Difference]: Without dead ends: 58723 [2019-10-02 07:03:05,276 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1110 GetRequests, 1103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:03:05,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58723 states. [2019-10-02 07:03:07,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58723 to 58703. [2019-10-02 07:03:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58703 states. [2019-10-02 07:03:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58703 states to 58703 states and 76078 transitions. [2019-10-02 07:03:07,486 INFO L78 Accepts]: Start accepts. Automaton has 58703 states and 76078 transitions. Word has length 1111 [2019-10-02 07:03:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:07,487 INFO L475 AbstractCegarLoop]: Abstraction has 58703 states and 76078 transitions. [2019-10-02 07:03:07,487 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 07:03:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 58703 states and 76078 transitions. [2019-10-02 07:03:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2019-10-02 07:03:07,565 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:07,566 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:03:07,566 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:07,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:07,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1357300893, now seen corresponding path program 3 times [2019-10-02 07:03:07,567 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:07,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:07,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:07,578 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:03:07,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:07,889 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:03:07,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:03:07,889 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:03:08,559 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 07:03:46,584 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-02 07:03:46,584 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:03:46,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 5898 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 07:03:46,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:03:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 191 proven. 4 refuted. 0 times theorem prover too weak. 2978 trivial. 0 not checked. [2019-10-02 07:03:50,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:03:50,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-10-02 07:03:50,570 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:03:50,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:03:50,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:03:50,571 INFO L87 Difference]: Start difference. First operand 58703 states and 76078 transitions. Second operand 5 states. [2019-10-02 07:03:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:52,155 INFO L93 Difference]: Finished difference Result 117342 states and 152347 transitions. [2019-10-02 07:03:52,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:03:52,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1113 [2019-10-02 07:03:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:52,327 INFO L225 Difference]: With dead ends: 117342 [2019-10-02 07:03:52,327 INFO L226 Difference]: Without dead ends: 59203 [2019-10-02 07:03:52,647 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:03:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59203 states. [2019-10-02 07:03:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59203 to 58823. [2019-10-02 07:03:54,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58823 states. [2019-10-02 07:03:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58823 states to 58823 states and 76248 transitions. [2019-10-02 07:03:54,355 INFO L78 Accepts]: Start accepts. Automaton has 58823 states and 76248 transitions. Word has length 1113 [2019-10-02 07:03:54,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:54,356 INFO L475 AbstractCegarLoop]: Abstraction has 58823 states and 76248 transitions. [2019-10-02 07:03:54,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:03:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand 58823 states and 76248 transitions. [2019-10-02 07:03:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1116 [2019-10-02 07:03:54,434 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:54,435 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:03:54,435 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:54,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:54,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1414204263, now seen corresponding path program 4 times [2019-10-02 07:03:54,436 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:54,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:54,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:54,447 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:03:54,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:54,750 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:03:54,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:03:54,750 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:03:55,421 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 07:03:57,791 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 07:03:57,791 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:03:57,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 8675 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 07:03:57,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:03:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3178 backedges. 479 proven. 49 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2019-10-02 07:03:58,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:03:58,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-10-02 07:03:58,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 07:03:58,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 07:03:58,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-10-02 07:03:58,426 INFO L87 Difference]: Start difference. First operand 58823 states and 76248 transitions. Second operand 10 states. [2019-10-02 07:04:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:00,680 INFO L93 Difference]: Finished difference Result 117142 states and 151967 transitions. [2019-10-02 07:04:00,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:04:00,681 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1115 [2019-10-02 07:04:00,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:00,859 INFO L225 Difference]: With dead ends: 117142 [2019-10-02 07:04:00,859 INFO L226 Difference]: Without dead ends: 58883 [2019-10-02 07:04:00,953 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1114 GetRequests, 1106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-10-02 07:04:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58883 states. [2019-10-02 07:04:03,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58883 to 58863. [2019-10-02 07:04:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58863 states. [2019-10-02 07:04:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58863 states to 58863 states and 76288 transitions. [2019-10-02 07:04:03,347 INFO L78 Accepts]: Start accepts. Automaton has 58863 states and 76288 transitions. Word has length 1115 [2019-10-02 07:04:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:03,348 INFO L475 AbstractCegarLoop]: Abstraction has 58863 states and 76288 transitions. [2019-10-02 07:04:03,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 07:04:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 58863 states and 76288 transitions. [2019-10-02 07:04:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2019-10-02 07:04:03,429 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:03,429 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:04:03,430 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:03,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1312152661, now seen corresponding path program 5 times [2019-10-02 07:04:03,430 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:03,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:03,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:03,440 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:04:03,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:03,750 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:04:03,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:04:03,750 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:04:04,431 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 07:04:29,843 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-10-02 07:04:29,844 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:04:29,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-02 07:04:29,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:04:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 1373 proven. 0 refuted. 0 times theorem prover too weak. 1820 trivial. 0 not checked. [2019-10-02 07:04:31,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:31,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:04:31,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:04:31,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:04:31,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:04:31,613 INFO L87 Difference]: Start difference. First operand 58863 states and 76288 transitions. Second operand 6 states. [2019-10-02 07:04:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:33,028 INFO L93 Difference]: Finished difference Result 117322 states and 152147 transitions. [2019-10-02 07:04:33,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:04:33,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1117 [2019-10-02 07:04:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:33,232 INFO L225 Difference]: With dead ends: 117322 [2019-10-02 07:04:33,232 INFO L226 Difference]: Without dead ends: 58863 [2019-10-02 07:04:33,352 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:04:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58863 states. [2019-10-02 07:04:35,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58863 to 58863. [2019-10-02 07:04:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58863 states. [2019-10-02 07:04:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58863 states to 58863 states and 76268 transitions. [2019-10-02 07:04:36,001 INFO L78 Accepts]: Start accepts. Automaton has 58863 states and 76268 transitions. Word has length 1117 [2019-10-02 07:04:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:36,002 INFO L475 AbstractCegarLoop]: Abstraction has 58863 states and 76268 transitions. [2019-10-02 07:04:36,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:04:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 58863 states and 76268 transitions. [2019-10-02 07:04:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2019-10-02 07:04:36,082 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:36,083 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:04:36,083 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:36,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1677366892, now seen corresponding path program 1 times [2019-10-02 07:04:36,084 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:36,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:36,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:36,093 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:04:36,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:36,417 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:04:36,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:04:36,417 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:04:37,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:39,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 8691 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-02 07:04:39,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:04:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 479 proven. 64 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2019-10-02 07:04:40,106 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:04:40,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-10-02 07:04:40,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 07:04:40,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 07:04:40,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:04:40,107 INFO L87 Difference]: Start difference. First operand 58863 states and 76268 transitions. Second operand 11 states. [2019-10-02 07:04:44,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:44,516 INFO L93 Difference]: Finished difference Result 117222 states and 152007 transitions. [2019-10-02 07:04:44,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 07:04:44,517 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1117 [2019-10-02 07:04:44,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:44,686 INFO L225 Difference]: With dead ends: 117222 [2019-10-02 07:04:44,686 INFO L226 Difference]: Without dead ends: 58923 [2019-10-02 07:04:44,783 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1116 GetRequests, 1107 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:04:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58923 states. [2019-10-02 07:04:46,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58923 to 58903. [2019-10-02 07:04:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58903 states. [2019-10-02 07:04:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58903 states to 58903 states and 76308 transitions. [2019-10-02 07:04:46,917 INFO L78 Accepts]: Start accepts. Automaton has 58903 states and 76308 transitions. Word has length 1117 [2019-10-02 07:04:46,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:46,918 INFO L475 AbstractCegarLoop]: Abstraction has 58903 states and 76308 transitions. [2019-10-02 07:04:46,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 07:04:46,918 INFO L276 IsEmpty]: Start isEmpty. Operand 58903 states and 76308 transitions. [2019-10-02 07:04:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2019-10-02 07:04:47,002 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:47,002 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:04:47,003 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:47,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:47,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1815936656, now seen corresponding path program 2 times [2019-10-02 07:04:47,004 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:47,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:47,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:47,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:47,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:47,324 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:04:47,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:04:47,324 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:04:48,015 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 07:05:02,268 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 07:05:02,268 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:05:02,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 8706 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 07:05:02,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:05:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3210 backedges. 479 proven. 81 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2019-10-02 07:05:03,335 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:05:03,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-10-02 07:05:03,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 07:05:03,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 07:05:03,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:05:03,337 INFO L87 Difference]: Start difference. First operand 58903 states and 76308 transitions. Second operand 12 states. [2019-10-02 07:05:05,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:05:05,660 INFO L93 Difference]: Finished difference Result 117302 states and 152087 transitions. [2019-10-02 07:05:05,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 07:05:05,661 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1119 [2019-10-02 07:05:05,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:05:06,185 INFO L225 Difference]: With dead ends: 117302 [2019-10-02 07:05:06,185 INFO L226 Difference]: Without dead ends: 58963 [2019-10-02 07:05:06,253 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1108 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:05:06,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58963 states. [2019-10-02 07:05:07,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58963 to 58943. [2019-10-02 07:05:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58943 states. [2019-10-02 07:05:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58943 states to 58943 states and 76348 transitions. [2019-10-02 07:05:07,950 INFO L78 Accepts]: Start accepts. Automaton has 58943 states and 76348 transitions. Word has length 1119 [2019-10-02 07:05:07,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:05:07,951 INFO L475 AbstractCegarLoop]: Abstraction has 58943 states and 76348 transitions. [2019-10-02 07:05:07,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 07:05:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 58943 states and 76348 transitions. [2019-10-02 07:05:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2019-10-02 07:05:08,030 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:05:08,031 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:05:08,031 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:05:08,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:05:08,032 INFO L82 PathProgramCache]: Analyzing trace with hash 216220812, now seen corresponding path program 3 times [2019-10-02 07:05:08,032 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:05:08,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:05:08,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:08,040 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:05:08,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:05:08,448 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 07:05:08,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:05:08,449 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:05:09,114 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 07:05:53,166 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-02 07:05:53,166 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:05:53,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 5898 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 07:05:53,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:05:53,391 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-02 07:05:53,392 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 07:05:53,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 07:05:53,397 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 07:05:53,398 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-10-02 07:05:53,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-10-02 07:05:53,660 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 07:05:53,663 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 07:05:53,663 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 07:05:53,663 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-10-02 07:05:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 1188 proven. 0 refuted. 0 times theorem prover too weak. 2041 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (35)] Forcibly destroying the process [2019-10-02 07:05:54,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:05:54,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:05:54,617 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:05:54,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:05:54,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:05:54,618 INFO L87 Difference]: Start difference. First operand 58943 states and 76348 transitions. Second operand 5 states. [2019-10-02 07:07:05,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:07:05,108 INFO L93 Difference]: Finished difference Result 101161 states and 131890 transitions. [2019-10-02 07:07:05,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:07:05,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1121 [2019-10-02 07:07:05,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:07:05,114 INFO L225 Difference]: With dead ends: 101161 [2019-10-02 07:07:05,114 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 07:07:05,247 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1121 GetRequests, 1092 SyntacticMatches, 25 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:07:05,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 07:07:05,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 07:07:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 07:07:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 07:07:05,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1121 [2019-10-02 07:07:05,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:07:05,256 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 07:07:05,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:07:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 07:07:05,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 07:07:05,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 07:07:07,723 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1