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-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 04:19:02,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 04:19:02,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 04:19:02,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 04:19:02,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 04:19:02,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 04:19:02,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 04:19:02,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 04:19:02,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 04:19:02,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 04:19:02,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 04:19:02,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 04:19:02,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 04:19:02,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 04:19:02,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 04:19:02,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 04:19:02,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 04:19:02,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 04:19:02,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 04:19:02,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 04:19:02,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 04:19:02,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 04:19:02,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 04:19:02,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 04:19:02,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 04:19:02,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 04:19:02,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 04:19:02,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 04:19:02,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 04:19:02,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 04:19:02,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 04:19:02,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 04:19:02,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 04:19:02,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 04:19:02,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 04:19:02,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 04:19:02,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 04:19:02,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 04:19:02,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 04:19:02,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 04:19:02,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 04:19:02,247 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 04:19:02,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 04:19:02,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 04:19:02,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 04:19:02,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 04:19:02,264 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 04:19:02,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 04:19:02,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 04:19:02,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 04:19:02,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 04:19:02,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 04:19:02,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 04:19:02,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 04:19:02,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 04:19:02,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 04:19:02,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 04:19:02,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 04:19:02,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 04:19:02,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 04:19:02,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 04:19:02,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 04:19:02,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 04:19:02,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 04:19:02,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 04:19:02,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 04:19:02,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 04:19:02,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 04:19:02,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 04:19:02,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 04:19:02,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 04:19:02,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 04:19:02,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 04:19:02,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 04:19:02,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 04:19:02,318 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 04:19:02,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2019-10-02 04:19:02,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c656990bf/4d60b8a976844c7cb90247a22f459ca0/FLAG348bb4858 [2019-10-02 04:19:03,292 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 04:19:03,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2019-10-02 04:19:03,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c656990bf/4d60b8a976844c7cb90247a22f459ca0/FLAG348bb4858 [2019-10-02 04:19:03,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c656990bf/4d60b8a976844c7cb90247a22f459ca0 [2019-10-02 04:19:03,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 04:19:03,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 04:19:03,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 04:19:03,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 04:19:03,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 04:19:03,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 04:19:03" (1/1) ... [2019-10-02 04:19:03,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0cde2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:03, skipping insertion in model container [2019-10-02 04:19:03,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 04:19:03" (1/1) ... [2019-10-02 04:19:03,766 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 04:19:03,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 04:19:05,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 04:19:05,873 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 04:19:06,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 04:19:06,969 INFO L192 MainTranslator]: Completed translation [2019-10-02 04:19:06,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06 WrapperNode [2019-10-02 04:19:06,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 04:19:06,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 04:19:06,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 04:19:06,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 04:19:06,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:06,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:07,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:07,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:07,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:07,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:07,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (1/1) ... [2019-10-02 04:19:07,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 04:19:07,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 04:19:07,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 04:19:07,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 04:19:07,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (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 04:19:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 04:19:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 04:19:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-10-02 04:19:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-10-02 04:19:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2019-10-02 04:19:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 04:19:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 04:19:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 04:19:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 04:19:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 04:19:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-02 04:19:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-02 04:19:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 04:19:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 04:19:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 04:19:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 04:19:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-02 04:19:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-02 04:19:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 04:19:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-02 04:19:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-02 04:19:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2019-10-02 04:19:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2019-10-02 04:19:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2019-10-02 04:19:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-02 04:19:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-02 04:19:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 04:19:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 04:19:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-02 04:19:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 04:19:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-02 04:19:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-02 04:19:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent [2019-10-02 04:19:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2019-10-02 04:19:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-02 04:19:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 04:19:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 04:19:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 04:19:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-02 04:19:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 04:19:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 04:19:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 04:19:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 04:19:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 04:19:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-02 04:19:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2019-10-02 04:19:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2019-10-02 04:19:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2019-10-02 04:19:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_tx_work_q [2019-10-02 04:19:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_int_work_q [2019-10-02 04:19:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2019-10-02 04:19:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpurelease [2019-10-02 04:19:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2019-10-02 04:19:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_enable_intr [2019-10-02 04:19:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2019-10-02 04:19:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2019-10-02 04:19:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_dma [2019-10-02 04:19:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma_complete [2019-10-02 04:19:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2019-10-02 04:19:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma_complete [2019-10-02 04:19:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma [2019-10-02 04:19:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma [2019-10-02 04:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2019-10-02 04:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_raise [2019-10-02 04:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_lower [2019-10-02 04:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_config [2019-10-02 04:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_config [2019-10-02 04:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_te1_alarm [2019-10-02 04:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_ctlchg [2019-10-02 04:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_log_rx_error [2019-10-02 04:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_recover_rx_error [2019-10-02 04:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_rx [2019-10-02 04:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2019-10-02 04:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_rx [2019-10-02 04:19:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr [2019-10-02 04:19:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure check_started_ok [2019-10-02 04:19:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure set_conf_from_info [2019-10-02 04:19:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_conf_info [2019-10-02 04:19:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_set_iface [2019-10-02 04:19:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_get_iface [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_ioctl [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_openport [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_closeport [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_attach [2019-10-02 04:19:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_start_xmit [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_card [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_add_one [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cleanup_module [2019-10-02 04:19:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-02 04:19:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 04:19:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-10-02 04:19:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-10-02 04:19:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2019-10-02 04:19:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 04:19:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 04:19:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 04:19:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 04:19:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-02 04:19:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 04:19:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 04:19:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 04:19:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 04:19:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hdlcdev [2019-10-02 04:19:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 04:19:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-02 04:19:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-02 04:19:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-02 04:19:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-02 04:19:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 04:19:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 04:19:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 04:19:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 04:19:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_close [2019-10-02 04:19:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2019-10-02 04:19:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_open [2019-10-02 04:19:07,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-02 04:19:07,604 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-02 04:19:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-02 04:19:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 04:19:07,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-10-02 04:19:07,609 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-02 04:19:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-02 04:19:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 04:19:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-02 04:19:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 04:19:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_device [2019-10-02 04:19:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-02 04:19:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 04:19:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 04:19:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 04:19:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 04:19:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 04:19:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 04:19:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 04:19:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 04:19:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 04:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 04:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 04:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 04:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 04:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 04:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-02 04:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 04:19:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 04:19:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 04:19:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 04:19:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 04:19:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 04:19:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-02 04:19:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-02 04:19:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-10-02 04:19:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 04:19:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-02 04:19:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 04:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-10-02 04:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-02 04:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 04:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-02 04:19:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 04:19:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 04:19:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 04:19:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 04:19:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 04:19:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-02 04:19:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_device [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hdlcdev [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_open [2019-10-02 04:19:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_close [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_start_xmit [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_rx [2019-10-02 04:19:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_tx_work_q [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_int_work_q [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpurelease [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2019-10-02 04:19:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure fst_enable_intr [2019-10-02 04:19:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2019-10-02 04:19:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2019-10-02 04:19:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_dma [2019-10-02 04:19:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma_complete [2019-10-02 04:19:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2019-10-02 04:19:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma_complete [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_raise [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_lower [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_config [2019-10-02 04:19:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_config [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_te1_alarm [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_ctlchg [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure fst_log_rx_error [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure fst_recover_rx_error [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_rx [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr [2019-10-02 04:19:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure check_started_ok [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_conf_from_info [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure gather_conf_info [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure fst_set_iface [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure fst_get_iface [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure fst_ioctl [2019-10-02 04:19:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure fst_openport [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_closeport [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_attach [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_start_xmit [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_card [2019-10-02 04:19:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure fst_add_one [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cleanup_module [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 04:19:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 04:19:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 04:19:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 04:19:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 04:19:10,980 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:19:11,046 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-02 04:19:11,046 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-02 04:19:11,051 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:19:48,825 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-10-02 04:19:48,825 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-10-02 04:19:49,145 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-02 04:19:49,687 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:19:49,826 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume false; [2019-10-02 04:19:49,826 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !false; [2019-10-02 04:19:49,913 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:19:49,916 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:20:18,929 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-10-02 04:20:18,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false;call ULTIMATE.dealloc(~#wrthdr~0.base, ~#wrthdr~0.offset);havoc ~#wrthdr~0.base, ~#wrthdr~0.offset;call ULTIMATE.dealloc(~#info~0.base, ~#info~0.offset);havoc ~#info~0.base, ~#info~0.offset; [2019-10-02 04:20:18,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2019-10-02 04:20:18,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2019-10-02 04:20:18,938 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:20:18,939 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 04:20:54,997 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-10-02 04:20:54,998 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-10-02 04:20:54,998 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2019-10-02 04:20:54,998 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2019-10-02 04:20:55,625 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 04:20:55,625 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 04:20:55,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 04:20:55 BoogieIcfgContainer [2019-10-02 04:20:55,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 04:20:55,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 04:20:55,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 04:20:55,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 04:20:55,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 04:19:03" (1/3) ... [2019-10-02 04:20:55,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e79d4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 04:20:55, skipping insertion in model container [2019-10-02 04:20:55,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:19:06" (2/3) ... [2019-10-02 04:20:55,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e79d4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 04:20:55, skipping insertion in model container [2019-10-02 04:20:55,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 04:20:55" (3/3) ... [2019-10-02 04:20:55,636 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2019-10-02 04:20:55,648 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 04:20:55,663 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 04:20:55,682 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 04:20:55,734 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 04:20:55,738 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 04:20:55,738 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 04:20:55,738 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 04:20:55,738 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 04:20:55,738 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 04:20:55,739 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 04:20:55,739 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 04:20:55,739 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 04:20:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states. [2019-10-02 04:20:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-02 04:20:55,802 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:20:55,803 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:55,806 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:20:55,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:20:55,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1613100454, now seen corresponding path program 1 times [2019-10-02 04:20:55,814 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:20:55,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:20:55,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:20:55,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:20:55,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:20:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:20:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:20:56,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:20:56,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:20:56,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:20:56,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:20:56,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:20:56,540 INFO L87 Difference]: Start difference. First operand 1656 states. Second operand 3 states. [2019-10-02 04:20:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:20:56,872 INFO L93 Difference]: Finished difference Result 3990 states and 5269 transitions. [2019-10-02 04:20:56,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:20:56,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-02 04:20:56,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:20:56,913 INFO L225 Difference]: With dead ends: 3990 [2019-10-02 04:20:56,914 INFO L226 Difference]: Without dead ends: 2647 [2019-10-02 04:20:56,927 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:20:56,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2019-10-02 04:20:57,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2644. [2019-10-02 04:20:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2644 states. [2019-10-02 04:20:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3464 transitions. [2019-10-02 04:20:57,255 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3464 transitions. Word has length 34 [2019-10-02 04:20:57,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:20:57,256 INFO L475 AbstractCegarLoop]: Abstraction has 2644 states and 3464 transitions. [2019-10-02 04:20:57,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:20:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3464 transitions. [2019-10-02 04:20:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-02 04:20:57,279 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:20:57,279 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:57,279 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:20:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:20:57,280 INFO L82 PathProgramCache]: Analyzing trace with hash -94653561, now seen corresponding path program 1 times [2019-10-02 04:20:57,280 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:20:57,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:20:57,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:20:57,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:20:57,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:20:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:20:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:20:57,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:20:57,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 04:20:57,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 04:20:57,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 04:20:57,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 04:20:57,584 INFO L87 Difference]: Start difference. First operand 2644 states and 3464 transitions. Second operand 7 states. [2019-10-02 04:20:57,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:20:57,771 INFO L93 Difference]: Finished difference Result 5185 states and 6791 transitions. [2019-10-02 04:20:57,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 04:20:57,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-10-02 04:20:57,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:20:57,788 INFO L225 Difference]: With dead ends: 5185 [2019-10-02 04:20:57,788 INFO L226 Difference]: Without dead ends: 2566 [2019-10-02 04:20:57,798 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 04:20:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2019-10-02 04:20:57,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 2564. [2019-10-02 04:20:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2019-10-02 04:20:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3348 transitions. [2019-10-02 04:20:57,905 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3348 transitions. Word has length 74 [2019-10-02 04:20:57,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:20:57,906 INFO L475 AbstractCegarLoop]: Abstraction has 2564 states and 3348 transitions. [2019-10-02 04:20:57,906 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 04:20:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3348 transitions. [2019-10-02 04:20:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-02 04:20:57,910 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:20:57,910 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:57,910 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:20:57,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:20:57,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2010628445, now seen corresponding path program 1 times [2019-10-02 04:20:57,911 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:20:57,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:20:57,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:20:57,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:20:57,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:20:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:20:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:20:58,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:20:58,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 04:20:58,190 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 04:20:58,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 04:20:58,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-02 04:20:58,191 INFO L87 Difference]: Start difference. First operand 2564 states and 3348 transitions. Second operand 7 states. [2019-10-02 04:23:37,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:23:37,218 INFO L93 Difference]: Finished difference Result 3990 states and 5213 transitions. [2019-10-02 04:23:37,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 04:23:37,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2019-10-02 04:23:37,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:23:37,247 INFO L225 Difference]: With dead ends: 3990 [2019-10-02 04:23:37,247 INFO L226 Difference]: Without dead ends: 3987 [2019-10-02 04:23:37,253 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-02 04:23:37,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2019-10-02 04:23:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3957. [2019-10-02 04:23:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3957 states. [2019-10-02 04:23:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5183 transitions. [2019-10-02 04:23:37,458 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5183 transitions. Word has length 80 [2019-10-02 04:23:37,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:23:37,459 INFO L475 AbstractCegarLoop]: Abstraction has 3957 states and 5183 transitions. [2019-10-02 04:23:37,459 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 04:23:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5183 transitions. [2019-10-02 04:23:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-02 04:23:37,463 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:23:37,463 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:37,464 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:23:37,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:23:37,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1685010181, now seen corresponding path program 1 times [2019-10-02 04:23:37,464 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:23:37,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:23:37,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:37,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:23:37,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:23:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:23:37,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:23:37,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 04:23:37,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 04:23:37,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 04:23:37,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 04:23:37,786 INFO L87 Difference]: Start difference. First operand 3957 states and 5183 transitions. Second operand 8 states. [2019-10-02 04:23:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:23:38,019 INFO L93 Difference]: Finished difference Result 7905 states and 10360 transitions. [2019-10-02 04:23:38,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 04:23:38,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-10-02 04:23:38,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:23:38,046 INFO L225 Difference]: With dead ends: 7905 [2019-10-02 04:23:38,046 INFO L226 Difference]: Without dead ends: 3961 [2019-10-02 04:23:38,062 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 04:23:38,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3961 states. [2019-10-02 04:23:38,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3961 to 3958. [2019-10-02 04:23:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3958 states. [2019-10-02 04:23:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3958 states and 5182 transitions. [2019-10-02 04:23:38,255 INFO L78 Accepts]: Start accepts. Automaton has 3958 states and 5182 transitions. Word has length 85 [2019-10-02 04:23:38,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:23:38,255 INFO L475 AbstractCegarLoop]: Abstraction has 3958 states and 5182 transitions. [2019-10-02 04:23:38,255 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 04:23:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3958 states and 5182 transitions. [2019-10-02 04:23:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-02 04:23:38,260 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:23:38,260 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 04:23:38,261 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:23:38,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:23:38,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1455843415, now seen corresponding path program 1 times [2019-10-02 04:23:38,261 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:23:38,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:23:38,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:38,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:23:38,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:23:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 04:23:38,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:23:38,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 04:23:38,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:23:38,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:23:38,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:23:38,447 INFO L87 Difference]: Start difference. First operand 3958 states and 5182 transitions. Second operand 5 states. [2019-10-02 04:23:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:23:38,789 INFO L93 Difference]: Finished difference Result 8061 states and 10623 transitions. [2019-10-02 04:23:38,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 04:23:38,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2019-10-02 04:23:38,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:23:38,820 INFO L225 Difference]: With dead ends: 8061 [2019-10-02 04:23:38,821 INFO L226 Difference]: Without dead ends: 4129 [2019-10-02 04:23:38,836 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-02 04:23:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2019-10-02 04:23:39,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 4096. [2019-10-02 04:23:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4096 states. [2019-10-02 04:23:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 5408 transitions. [2019-10-02 04:23:39,052 INFO L78 Accepts]: Start accepts. Automaton has 4096 states and 5408 transitions. Word has length 101 [2019-10-02 04:23:39,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:23:39,053 INFO L475 AbstractCegarLoop]: Abstraction has 4096 states and 5408 transitions. [2019-10-02 04:23:39,053 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:23:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 5408 transitions. [2019-10-02 04:23:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-02 04:23:39,061 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:23:39,061 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:39,061 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:23:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:23:39,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1507782518, now seen corresponding path program 1 times [2019-10-02 04:23:39,062 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:23:39,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:23:39,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:39,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:23:39,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:23:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:23:39,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:23:39,219 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 04:23:39,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:23:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:23:40,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 04:23:40,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:23:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:23:40,341 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:23:40,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-10-02 04:23:40,344 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:23:40,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:23:40,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:23:40,345 INFO L87 Difference]: Start difference. First operand 4096 states and 5408 transitions. Second operand 5 states. [2019-10-02 04:23:40,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:23:40,558 INFO L93 Difference]: Finished difference Result 8181 states and 10805 transitions. [2019-10-02 04:23:40,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 04:23:40,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-10-02 04:23:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:23:40,593 INFO L225 Difference]: With dead ends: 8181 [2019-10-02 04:23:40,593 INFO L226 Difference]: Without dead ends: 4099 [2019-10-02 04:23:40,612 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 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 04:23:40,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2019-10-02 04:23:40,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 4098. [2019-10-02 04:23:40,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2019-10-02 04:23:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5410 transitions. [2019-10-02 04:23:40,833 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5410 transitions. Word has length 104 [2019-10-02 04:23:40,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:23:40,836 INFO L475 AbstractCegarLoop]: Abstraction has 4098 states and 5410 transitions. [2019-10-02 04:23:40,836 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:23:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5410 transitions. [2019-10-02 04:23:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-02 04:23:40,844 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:23:40,845 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 04:23:40,845 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:23:40,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:23:40,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1147829198, now seen corresponding path program 2 times [2019-10-02 04:23:40,846 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:23:40,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:23:40,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:40,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:23:40,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:23:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:23:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:23:41,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:23:41,053 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 04:23:41,617 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:23:42,168 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-02 04:23:42,169 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:23:42,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-02 04:23:42,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:23:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 04:23:42,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:23:42,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2019-10-02 04:23:42,464 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 04:23:42,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 04:23:42,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-10-02 04:23:42,465 INFO L87 Difference]: Start difference. First operand 4098 states and 5410 transitions. Second operand 14 states. [2019-10-02 04:24:37,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:24:37,234 INFO L93 Difference]: Finished difference Result 9533 states and 12592 transitions. [2019-10-02 04:24:37,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 04:24:37,235 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 106 [2019-10-02 04:24:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:24:37,272 INFO L225 Difference]: With dead ends: 9533 [2019-10-02 04:24:37,272 INFO L226 Difference]: Without dead ends: 5447 [2019-10-02 04:24:37,294 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2019-10-02 04:24:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5447 states. [2019-10-02 04:24:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5447 to 5442. [2019-10-02 04:24:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5442 states. [2019-10-02 04:24:37,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5442 states to 5442 states and 7173 transitions. [2019-10-02 04:24:37,533 INFO L78 Accepts]: Start accepts. Automaton has 5442 states and 7173 transitions. Word has length 106 [2019-10-02 04:24:37,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:24:37,534 INFO L475 AbstractCegarLoop]: Abstraction has 5442 states and 7173 transitions. [2019-10-02 04:24:37,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 04:24:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 5442 states and 7173 transitions. [2019-10-02 04:24:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-02 04:24:37,543 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:24:37,544 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:24:37,544 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:24:37,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:24:37,544 INFO L82 PathProgramCache]: Analyzing trace with hash -822313350, now seen corresponding path program 1 times [2019-10-02 04:24:37,545 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:24:37,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:24:37,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:24:37,558 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:24:37,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:24:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:24:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 04:24:38,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:24:38,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 04:24:38,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 04:24:38,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 04:24:38,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-10-02 04:24:38,046 INFO L87 Difference]: Start difference. First operand 5442 states and 7173 transitions. Second operand 9 states. [2019-10-02 04:26:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:12,983 INFO L93 Difference]: Finished difference Result 8350 states and 11081 transitions. [2019-10-02 04:26:12,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 04:26:12,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2019-10-02 04:26:12,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:13,023 INFO L225 Difference]: With dead ends: 8350 [2019-10-02 04:26:13,023 INFO L226 Difference]: Without dead ends: 6961 [2019-10-02 04:26:13,034 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-10-02 04:26:13,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6961 states. [2019-10-02 04:26:13,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6961 to 6666. [2019-10-02 04:26:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6666 states. [2019-10-02 04:26:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 8772 transitions. [2019-10-02 04:26:13,319 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 8772 transitions. Word has length 110 [2019-10-02 04:26:13,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:13,320 INFO L475 AbstractCegarLoop]: Abstraction has 6666 states and 8772 transitions. [2019-10-02 04:26:13,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 04:26:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 8772 transitions. [2019-10-02 04:26:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-02 04:26:13,330 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:13,331 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:13,331 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:13,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:13,331 INFO L82 PathProgramCache]: Analyzing trace with hash -246170340, now seen corresponding path program 1 times [2019-10-02 04:26:13,331 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:13,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:13,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:13,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:13,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:13,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:13,605 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 04:26:14,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:14,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 04:26:14,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:26:14,668 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:14,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 10 [2019-10-02 04:26:14,669 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 04:26:14,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 04:26:14,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 04:26:14,670 INFO L87 Difference]: Start difference. First operand 6666 states and 8772 transitions. Second operand 10 states. [2019-10-02 04:26:14,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:14,853 INFO L93 Difference]: Finished difference Result 13317 states and 17529 transitions. [2019-10-02 04:26:14,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 04:26:14,853 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2019-10-02 04:26:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:14,885 INFO L225 Difference]: With dead ends: 13317 [2019-10-02 04:26:14,885 INFO L226 Difference]: Without dead ends: 6669 [2019-10-02 04:26:14,916 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 04:26:14,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6669 states. [2019-10-02 04:26:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6669 to 6668. [2019-10-02 04:26:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6668 states. [2019-10-02 04:26:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 8774 transitions. [2019-10-02 04:26:15,224 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 8774 transitions. Word has length 123 [2019-10-02 04:26:15,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:15,225 INFO L475 AbstractCegarLoop]: Abstraction has 6668 states and 8774 transitions. [2019-10-02 04:26:15,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 04:26:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 8774 transitions. [2019-10-02 04:26:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-02 04:26:15,235 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:15,235 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:15,235 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:15,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:15,236 INFO L82 PathProgramCache]: Analyzing trace with hash -536779944, now seen corresponding path program 2 times [2019-10-02 04:26:15,236 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:15,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:15,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:15,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:15,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:15,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:15,462 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 04:26:16,004 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:26:16,349 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-02 04:26:16,350 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:26:16,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 04:26:16,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:26:16,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:26:16,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2019-10-02 04:26:16,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 04:26:16,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 04:26:16,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-10-02 04:26:16,460 INFO L87 Difference]: Start difference. First operand 6668 states and 8774 transitions. Second operand 13 states. [2019-10-02 04:26:16,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:16,817 INFO L93 Difference]: Finished difference Result 13356 states and 17590 transitions. [2019-10-02 04:26:16,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 04:26:16,817 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2019-10-02 04:26:16,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:16,849 INFO L225 Difference]: With dead ends: 13356 [2019-10-02 04:26:16,849 INFO L226 Difference]: Without dead ends: 6708 [2019-10-02 04:26:16,877 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2019-10-02 04:26:16,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6708 states. [2019-10-02 04:26:17,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6708 to 6676. [2019-10-02 04:26:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6676 states. [2019-10-02 04:26:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 8784 transitions. [2019-10-02 04:26:17,164 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 8784 transitions. Word has length 125 [2019-10-02 04:26:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:17,164 INFO L475 AbstractCegarLoop]: Abstraction has 6676 states and 8784 transitions. [2019-10-02 04:26:17,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 04:26:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 8784 transitions. [2019-10-02 04:26:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-02 04:26:17,175 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:17,175 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 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] [2019-10-02 04:26:17,176 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:17,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1953349856, now seen corresponding path program 1 times [2019-10-02 04:26:17,176 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:17,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:17,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:17,186 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:17,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:17,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:17,425 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 04:26:18,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:18,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-02 04:26:18,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 04:26:18,432 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:18,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 12 [2019-10-02 04:26:18,433 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 04:26:18,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 04:26:18,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-02 04:26:18,434 INFO L87 Difference]: Start difference. First operand 6676 states and 8784 transitions. Second operand 12 states. [2019-10-02 04:26:18,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:18,731 INFO L93 Difference]: Finished difference Result 13333 states and 17549 transitions. [2019-10-02 04:26:18,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 04:26:18,732 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2019-10-02 04:26:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:18,758 INFO L225 Difference]: With dead ends: 13333 [2019-10-02 04:26:18,758 INFO L226 Difference]: Without dead ends: 6679 [2019-10-02 04:26:18,777 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-02 04:26:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2019-10-02 04:26:19,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6678. [2019-10-02 04:26:19,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6678 states. [2019-10-02 04:26:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 8786 transitions. [2019-10-02 04:26:19,736 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 8786 transitions. Word has length 131 [2019-10-02 04:26:19,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:19,739 INFO L475 AbstractCegarLoop]: Abstraction has 6678 states and 8786 transitions. [2019-10-02 04:26:19,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 04:26:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 8786 transitions. [2019-10-02 04:26:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-02 04:26:19,748 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:19,749 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-02 04:26:19,749 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:19,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:19,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1656493732, now seen corresponding path program 2 times [2019-10-02 04:26:19,750 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:19,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:19,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:19,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:19,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:20,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:20,044 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 04:26:20,664 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:26:21,240 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:26:21,240 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:26:21,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-02 04:26:21,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 04:26:21,294 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:21,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 13 [2019-10-02 04:26:21,296 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 04:26:21,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 04:26:21,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-02 04:26:21,297 INFO L87 Difference]: Start difference. First operand 6678 states and 8786 transitions. Second operand 13 states. [2019-10-02 04:26:21,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:21,551 INFO L93 Difference]: Finished difference Result 13335 states and 17551 transitions. [2019-10-02 04:26:21,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 04:26:21,552 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 133 [2019-10-02 04:26:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:21,568 INFO L225 Difference]: With dead ends: 13335 [2019-10-02 04:26:21,568 INFO L226 Difference]: Without dead ends: 6681 [2019-10-02 04:26:21,582 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-02 04:26:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6681 states. [2019-10-02 04:26:21,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6681 to 6680. [2019-10-02 04:26:21,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6680 states. [2019-10-02 04:26:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6680 states to 6680 states and 8788 transitions. [2019-10-02 04:26:21,847 INFO L78 Accepts]: Start accepts. Automaton has 6680 states and 8788 transitions. Word has length 133 [2019-10-02 04:26:21,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:21,848 INFO L475 AbstractCegarLoop]: Abstraction has 6680 states and 8788 transitions. [2019-10-02 04:26:21,848 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 04:26:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6680 states and 8788 transitions. [2019-10-02 04:26:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-02 04:26:21,861 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:21,862 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 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] [2019-10-02 04:26:21,862 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash 154399896, now seen corresponding path program 3 times [2019-10-02 04:26:21,862 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:21,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:21,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:21,873 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:21,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:22,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:22,147 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 04:26:22,705 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 04:26:23,259 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-02 04:26:23,260 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:26:23,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 04:26:23,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (8)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:26:23,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:26:23,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 14 [2019-10-02 04:26:23,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 04:26:23,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 04:26:23,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-02 04:26:23,337 INFO L87 Difference]: Start difference. First operand 6680 states and 8788 transitions. Second operand 14 states. [2019-10-02 04:26:23,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:23,619 INFO L93 Difference]: Finished difference Result 13339 states and 17556 transitions. [2019-10-02 04:26:23,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 04:26:23,620 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 135 [2019-10-02 04:26:23,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:23,643 INFO L225 Difference]: With dead ends: 13339 [2019-10-02 04:26:23,644 INFO L226 Difference]: Without dead ends: 6616 [2019-10-02 04:26:23,663 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-02 04:26:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6616 states. [2019-10-02 04:26:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6616 to 6613. [2019-10-02 04:26:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6613 states. [2019-10-02 04:26:23,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6613 states to 6613 states and 8659 transitions. [2019-10-02 04:26:23,949 INFO L78 Accepts]: Start accepts. Automaton has 6613 states and 8659 transitions. Word has length 135 [2019-10-02 04:26:23,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:23,949 INFO L475 AbstractCegarLoop]: Abstraction has 6613 states and 8659 transitions. [2019-10-02 04:26:23,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 04:26:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6613 states and 8659 transitions. [2019-10-02 04:26:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-02 04:26:23,960 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:23,960 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:23,960 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:23,961 INFO L82 PathProgramCache]: Analyzing trace with hash -913277231, now seen corresponding path program 1 times [2019-10-02 04:26:23,961 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:23,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:23,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:23,972 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:23,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-10-02 04:26:24,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:24,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 04:26:24,177 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:26:24,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:26:24,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:26:24,178 INFO L87 Difference]: Start difference. First operand 6613 states and 8659 transitions. Second operand 5 states. [2019-10-02 04:26:24,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:24,496 INFO L93 Difference]: Finished difference Result 13221 states and 17337 transitions. [2019-10-02 04:26:24,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 04:26:24,497 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2019-10-02 04:26:24,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:24,525 INFO L225 Difference]: With dead ends: 13221 [2019-10-02 04:26:24,525 INFO L226 Difference]: Without dead ends: 6648 [2019-10-02 04:26:24,545 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 04:26:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2019-10-02 04:26:24,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6623. [2019-10-02 04:26:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6623 states. [2019-10-02 04:26:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6623 states to 6623 states and 8669 transitions. [2019-10-02 04:26:24,861 INFO L78 Accepts]: Start accepts. Automaton has 6623 states and 8669 transitions. Word has length 152 [2019-10-02 04:26:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:24,862 INFO L475 AbstractCegarLoop]: Abstraction has 6623 states and 8669 transitions. [2019-10-02 04:26:24,862 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:26:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 6623 states and 8669 transitions. [2019-10-02 04:26:24,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-02 04:26:24,877 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:24,878 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:24,878 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:24,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:24,878 INFO L82 PathProgramCache]: Analyzing trace with hash 262253232, now seen corresponding path program 1 times [2019-10-02 04:26:24,878 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:24,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:24,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:24,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:24,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-02 04:26:25,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:25,288 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 04:26:26,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:26,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 2014 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-02 04:26:26,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-02 04:26:26,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:26,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11] total 18 [2019-10-02 04:26:26,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-02 04:26:26,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-02 04:26:26,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-10-02 04:26:26,509 INFO L87 Difference]: Start difference. First operand 6623 states and 8669 transitions. Second operand 18 states. [2019-10-02 04:26:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:26,859 INFO L93 Difference]: Finished difference Result 13221 states and 17313 transitions. [2019-10-02 04:26:26,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 04:26:26,860 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 156 [2019-10-02 04:26:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:26,882 INFO L225 Difference]: With dead ends: 13221 [2019-10-02 04:26:26,883 INFO L226 Difference]: Without dead ends: 6626 [2019-10-02 04:26:26,901 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-10-02 04:26:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6626 states. [2019-10-02 04:26:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6626 to 6625. [2019-10-02 04:26:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6625 states. [2019-10-02 04:26:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6625 states to 6625 states and 8671 transitions. [2019-10-02 04:26:27,157 INFO L78 Accepts]: Start accepts. Automaton has 6625 states and 8671 transitions. Word has length 156 [2019-10-02 04:26:27,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:27,158 INFO L475 AbstractCegarLoop]: Abstraction has 6625 states and 8671 transitions. [2019-10-02 04:26:27,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-02 04:26:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 6625 states and 8671 transitions. [2019-10-02 04:26:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-02 04:26:27,172 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:27,172 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:27,172 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:27,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1462942708, now seen corresponding path program 2 times [2019-10-02 04:26:27,173 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:27,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:27,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:27,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:27,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-02 04:26:27,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:27,545 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 04:26:28,122 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:26:28,730 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:26:28,730 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:26:28,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 2020 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 04:26:28,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-02 04:26:28,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:28,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 19 [2019-10-02 04:26:28,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 04:26:28,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 04:26:28,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-10-02 04:26:28,793 INFO L87 Difference]: Start difference. First operand 6625 states and 8671 transitions. Second operand 19 states. [2019-10-02 04:26:29,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:29,154 INFO L93 Difference]: Finished difference Result 13223 states and 17315 transitions. [2019-10-02 04:26:29,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 04:26:29,154 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2019-10-02 04:26:29,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:29,180 INFO L225 Difference]: With dead ends: 13223 [2019-10-02 04:26:29,180 INFO L226 Difference]: Without dead ends: 6628 [2019-10-02 04:26:29,199 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-10-02 04:26:29,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6628 states. [2019-10-02 04:26:29,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6628 to 6627. [2019-10-02 04:26:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6627 states. [2019-10-02 04:26:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6627 states to 6627 states and 8673 transitions. [2019-10-02 04:26:29,450 INFO L78 Accepts]: Start accepts. Automaton has 6627 states and 8673 transitions. Word has length 158 [2019-10-02 04:26:29,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:29,450 INFO L475 AbstractCegarLoop]: Abstraction has 6627 states and 8673 transitions. [2019-10-02 04:26:29,450 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 04:26:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 6627 states and 8673 transitions. [2019-10-02 04:26:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-02 04:26:29,461 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:29,461 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:29,462 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:29,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:29,462 INFO L82 PathProgramCache]: Analyzing trace with hash -20673480, now seen corresponding path program 3 times [2019-10-02 04:26:29,462 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:29,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:29,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:29,475 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:29,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 4 proven. 100 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-02 04:26:29,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:29,891 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 04:26:30,444 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 04:26:31,037 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-02 04:26:31,037 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:26:31,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 1957 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 04:26:31,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-10-02 04:26:31,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:26:31,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 21 [2019-10-02 04:26:31,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-02 04:26:31,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-02 04:26:31,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2019-10-02 04:26:31,153 INFO L87 Difference]: Start difference. First operand 6627 states and 8673 transitions. Second operand 21 states. [2019-10-02 04:26:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:31,693 INFO L93 Difference]: Finished difference Result 11812 states and 15469 transitions. [2019-10-02 04:26:31,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 04:26:31,693 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 160 [2019-10-02 04:26:31,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:31,706 INFO L225 Difference]: With dead ends: 11812 [2019-10-02 04:26:31,706 INFO L226 Difference]: Without dead ends: 5178 [2019-10-02 04:26:31,716 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2019-10-02 04:26:31,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5178 states. [2019-10-02 04:26:31,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5178 to 5174. [2019-10-02 04:26:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5174 states. [2019-10-02 04:26:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5174 states to 5174 states and 6777 transitions. [2019-10-02 04:26:31,895 INFO L78 Accepts]: Start accepts. Automaton has 5174 states and 6777 transitions. Word has length 160 [2019-10-02 04:26:31,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:31,895 INFO L475 AbstractCegarLoop]: Abstraction has 5174 states and 6777 transitions. [2019-10-02 04:26:31,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-02 04:26:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5174 states and 6777 transitions. [2019-10-02 04:26:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-02 04:26:31,904 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:31,904 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 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] [2019-10-02 04:26:31,905 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:31,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:31,905 INFO L82 PathProgramCache]: Analyzing trace with hash -954525913, now seen corresponding path program 1 times [2019-10-02 04:26:31,905 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:31,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:31,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:31,915 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:31,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-02 04:26:32,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:32,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 04:26:32,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 04:26:32,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 04:26:32,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 04:26:32,124 INFO L87 Difference]: Start difference. First operand 5174 states and 6777 transitions. Second operand 4 states. [2019-10-02 04:26:54,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:54,253 INFO L93 Difference]: Finished difference Result 10290 states and 13494 transitions. [2019-10-02 04:26:54,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:54,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2019-10-02 04:26:54,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:54,266 INFO L225 Difference]: With dead ends: 10290 [2019-10-02 04:26:54,267 INFO L226 Difference]: Without dead ends: 5162 [2019-10-02 04:26:54,276 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 04:26:54,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2019-10-02 04:26:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 5162. [2019-10-02 04:26:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5162 states. [2019-10-02 04:26:54,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5162 states to 5162 states and 6753 transitions. [2019-10-02 04:26:54,475 INFO L78 Accepts]: Start accepts. Automaton has 5162 states and 6753 transitions. Word has length 163 [2019-10-02 04:26:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:54,476 INFO L475 AbstractCegarLoop]: Abstraction has 5162 states and 6753 transitions. [2019-10-02 04:26:54,476 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 04:26:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5162 states and 6753 transitions. [2019-10-02 04:26:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-02 04:26:54,488 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:54,488 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 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] [2019-10-02 04:26:54,488 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:54,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:54,489 INFO L82 PathProgramCache]: Analyzing trace with hash 739161576, now seen corresponding path program 1 times [2019-10-02 04:26:54,489 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:54,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:54,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:54,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:54,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:26:54,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:54,837 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 04:26:55,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:55,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 04:26:55,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:26:55,829 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:55,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2019-10-02 04:26:55,830 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 04:26:55,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 04:26:55,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2019-10-02 04:26:55,830 INFO L87 Difference]: Start difference. First operand 5162 states and 6753 transitions. Second operand 15 states. [2019-10-02 04:26:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:55,988 INFO L93 Difference]: Finished difference Result 10293 states and 13475 transitions. [2019-10-02 04:26:55,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 04:26:55,988 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 181 [2019-10-02 04:26:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:56,000 INFO L225 Difference]: With dead ends: 10293 [2019-10-02 04:26:56,001 INFO L226 Difference]: Without dead ends: 5165 [2019-10-02 04:26:56,010 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2019-10-02 04:26:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2019-10-02 04:26:56,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 5164. [2019-10-02 04:26:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5164 states. [2019-10-02 04:26:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 6755 transitions. [2019-10-02 04:26:56,190 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 6755 transitions. Word has length 181 [2019-10-02 04:26:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:56,191 INFO L475 AbstractCegarLoop]: Abstraction has 5164 states and 6755 transitions. [2019-10-02 04:26:56,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 04:26:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 6755 transitions. [2019-10-02 04:26:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-02 04:26:56,204 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:56,205 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:56,205 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:56,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash -68398880, now seen corresponding path program 1 times [2019-10-02 04:26:56,206 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:56,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:56,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:56,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:56,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:26:56,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:56,523 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 04:26:57,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:57,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 04:26:57,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:26:57,544 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:57,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2019-10-02 04:26:57,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 04:26:57,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 04:26:57,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2019-10-02 04:26:57,546 INFO L87 Difference]: Start difference. First operand 5164 states and 6755 transitions. Second operand 16 states. [2019-10-02 04:26:57,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:57,807 INFO L93 Difference]: Finished difference Result 10295 states and 13477 transitions. [2019-10-02 04:26:57,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 04:26:57,808 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 189 [2019-10-02 04:26:57,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:57,818 INFO L225 Difference]: With dead ends: 10295 [2019-10-02 04:26:57,818 INFO L226 Difference]: Without dead ends: 5167 [2019-10-02 04:26:57,825 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2019-10-02 04:26:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5167 states. [2019-10-02 04:26:57,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5167 to 5166. [2019-10-02 04:26:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2019-10-02 04:26:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 6757 transitions. [2019-10-02 04:26:57,966 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 6757 transitions. Word has length 189 [2019-10-02 04:26:57,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:57,967 INFO L475 AbstractCegarLoop]: Abstraction has 5166 states and 6757 transitions. [2019-10-02 04:26:57,967 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 04:26:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 6757 transitions. [2019-10-02 04:26:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-02 04:26:57,978 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:57,978 INFO L411 BasicCegarLoop]: trace histogram [13, 13, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:57,979 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:57,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:57,979 INFO L82 PathProgramCache]: Analyzing trace with hash 49379356, now seen corresponding path program 2 times [2019-10-02 04:26:57,979 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:57,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:57,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:57,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:57,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:26:58,301 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:58,301 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 04:26:58,927 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:26:59,489 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:26:59,489 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:26:59,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 2083 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 04:26:59,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:26:59,547 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:59,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2019-10-02 04:26:59,548 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 04:26:59,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 04:26:59,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2019-10-02 04:26:59,548 INFO L87 Difference]: Start difference. First operand 5166 states and 6757 transitions. Second operand 17 states. [2019-10-02 04:26:59,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:59,711 INFO L93 Difference]: Finished difference Result 10297 states and 13479 transitions. [2019-10-02 04:26:59,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 04:26:59,712 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 191 [2019-10-02 04:26:59,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:59,724 INFO L225 Difference]: With dead ends: 10297 [2019-10-02 04:26:59,724 INFO L226 Difference]: Without dead ends: 5169 [2019-10-02 04:26:59,734 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2019-10-02 04:26:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2019-10-02 04:26:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 5168. [2019-10-02 04:26:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5168 states. [2019-10-02 04:26:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 6759 transitions. [2019-10-02 04:26:59,882 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 6759 transitions. Word has length 191 [2019-10-02 04:26:59,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:59,882 INFO L475 AbstractCegarLoop]: Abstraction has 5168 states and 6759 transitions. [2019-10-02 04:26:59,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 04:26:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 6759 transitions. [2019-10-02 04:26:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-02 04:26:59,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:59,892 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:59,892 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:59,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1565114456, now seen corresponding path program 3 times [2019-10-02 04:26:59,893 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:59,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:59,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:59,903 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:59,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:27:00,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:00,216 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 04:27:00,802 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 04:27:01,689 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-02 04:27:01,690 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:27:01,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 04:27:01,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:27:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-10-02 04:27:01,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:27:01,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 4] total 19 [2019-10-02 04:27:01,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 04:27:01,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 04:27:01,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=202, Unknown=0, NotChecked=0, Total=342 [2019-10-02 04:27:01,775 INFO L87 Difference]: Start difference. First operand 5168 states and 6759 transitions. Second operand 19 states. [2019-10-02 04:27:02,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:27:02,087 INFO L93 Difference]: Finished difference Result 10255 states and 13410 transitions. [2019-10-02 04:27:02,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 04:27:02,088 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 193 [2019-10-02 04:27:02,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:27:02,104 INFO L225 Difference]: With dead ends: 10255 [2019-10-02 04:27:02,104 INFO L226 Difference]: Without dead ends: 5127 [2019-10-02 04:27:02,116 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=202, Unknown=0, NotChecked=0, Total=342 [2019-10-02 04:27:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5127 states. [2019-10-02 04:27:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5127 to 5124. [2019-10-02 04:27:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5124 states. [2019-10-02 04:27:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 6685 transitions. [2019-10-02 04:27:02,238 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 6685 transitions. Word has length 193 [2019-10-02 04:27:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:27:02,238 INFO L475 AbstractCegarLoop]: Abstraction has 5124 states and 6685 transitions. [2019-10-02 04:27:02,238 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 04:27:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 6685 transitions. [2019-10-02 04:27:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-02 04:27:02,244 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:27:02,244 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 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] [2019-10-02 04:27:02,244 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:27:02,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:27:02,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2136934616, now seen corresponding path program 2 times [2019-10-02 04:27:02,244 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:27:02,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:27:02,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:02,251 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:27:02,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:27:02,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:02,613 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 04:27:03,213 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:27:03,920 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:27:03,921 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:27:03,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-02 04:27:03,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:27:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (16)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:27:04,006 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:27:04,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2019-10-02 04:27:04,007 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 04:27:04,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 04:27:04,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2019-10-02 04:27:04,008 INFO L87 Difference]: Start difference. First operand 5124 states and 6685 transitions. Second operand 19 states. [2019-10-02 04:27:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:27:04,186 INFO L93 Difference]: Finished difference Result 10209 states and 13331 transitions. [2019-10-02 04:27:04,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 04:27:04,187 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 189 [2019-10-02 04:27:04,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:27:04,199 INFO L225 Difference]: With dead ends: 10209 [2019-10-02 04:27:04,199 INFO L226 Difference]: Without dead ends: 5127 [2019-10-02 04:27:04,208 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2019-10-02 04:27:04,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5127 states. [2019-10-02 04:27:04,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5127 to 5126. [2019-10-02 04:27:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5126 states. [2019-10-02 04:27:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 6687 transitions. [2019-10-02 04:27:04,328 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 6687 transitions. Word has length 189 [2019-10-02 04:27:04,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:27:04,329 INFO L475 AbstractCegarLoop]: Abstraction has 5126 states and 6687 transitions. [2019-10-02 04:27:04,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 04:27:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 6687 transitions. [2019-10-02 04:27:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-02 04:27:04,334 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:27:04,334 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 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] [2019-10-02 04:27:04,335 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:27:04,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:27:04,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2040254444, now seen corresponding path program 3 times [2019-10-02 04:27:04,335 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:27:04,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:27:04,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:04,343 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:27:04,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:27:04,725 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:04,725 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:27:05,321 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 04:27:15,981 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2019-10-02 04:27:15,981 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:27:16,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-02 04:27:16,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:27:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:27:16,059 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:27:16,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2019-10-02 04:27:16,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-02 04:27:16,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-02 04:27:16,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2019-10-02 04:27:16,060 INFO L87 Difference]: Start difference. First operand 5126 states and 6687 transitions. Second operand 20 states. [2019-10-02 04:27:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:27:16,242 INFO L93 Difference]: Finished difference Result 10211 states and 13333 transitions. [2019-10-02 04:27:16,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 04:27:16,243 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 191 [2019-10-02 04:27:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:27:16,253 INFO L225 Difference]: With dead ends: 10211 [2019-10-02 04:27:16,254 INFO L226 Difference]: Without dead ends: 5129 [2019-10-02 04:27:16,262 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2019-10-02 04:27:16,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2019-10-02 04:27:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 5128. [2019-10-02 04:27:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5128 states. [2019-10-02 04:27:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 6689 transitions. [2019-10-02 04:27:16,395 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 6689 transitions. Word has length 191 [2019-10-02 04:27:16,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:27:16,395 INFO L475 AbstractCegarLoop]: Abstraction has 5128 states and 6689 transitions. [2019-10-02 04:27:16,395 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-02 04:27:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 6689 transitions. [2019-10-02 04:27:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-02 04:27:16,402 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:27:16,402 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 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] [2019-10-02 04:27:16,403 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:27:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:27:16,403 INFO L82 PathProgramCache]: Analyzing trace with hash -524519344, now seen corresponding path program 4 times [2019-10-02 04:27:16,403 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:27:16,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:27:16,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:16,411 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:27:16,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:27:16,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:16,796 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:27:17,389 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 04:27:23,051 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 04:27:23,051 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:27:23,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-02 04:27:23,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:27:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (18)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:27:23,121 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:27:23,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 21 [2019-10-02 04:27:23,122 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-02 04:27:23,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-02 04:27:23,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2019-10-02 04:27:23,123 INFO L87 Difference]: Start difference. First operand 5128 states and 6689 transitions. Second operand 21 states. [2019-10-02 04:27:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:27:23,341 INFO L93 Difference]: Finished difference Result 10213 states and 13335 transitions. [2019-10-02 04:27:23,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-02 04:27:23,341 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 193 [2019-10-02 04:27:23,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:27:23,356 INFO L225 Difference]: With dead ends: 10213 [2019-10-02 04:27:23,357 INFO L226 Difference]: Without dead ends: 5131 [2019-10-02 04:27:23,366 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2019-10-02 04:27:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5131 states. [2019-10-02 04:27:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5131 to 5130. [2019-10-02 04:27:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5130 states. [2019-10-02 04:27:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 6691 transitions. [2019-10-02 04:27:23,492 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 6691 transitions. Word has length 193 [2019-10-02 04:27:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:27:23,492 INFO L475 AbstractCegarLoop]: Abstraction has 5130 states and 6691 transitions. [2019-10-02 04:27:23,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-02 04:27:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 6691 transitions. [2019-10-02 04:27:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-02 04:27:23,496 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:27:23,496 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 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] [2019-10-02 04:27:23,496 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:27:23,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:27:23,497 INFO L82 PathProgramCache]: Analyzing trace with hash 102998412, now seen corresponding path program 5 times [2019-10-02 04:27:23,497 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:27:23,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:27:23,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:23,507 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:27:23,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:27:23,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:23,950 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:27:24,572 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 04:27:28,068 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2019-10-02 04:27:28,068 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:27:28,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 20 conjunts are in the unsatisfiable core [2019-10-02 04:27:28,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:27:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (19)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:27:28,149 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:27:28,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2019-10-02 04:27:28,151 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-02 04:27:28,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-02 04:27:28,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2019-10-02 04:27:28,153 INFO L87 Difference]: Start difference. First operand 5130 states and 6691 transitions. Second operand 22 states. [2019-10-02 04:27:28,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:27:28,418 INFO L93 Difference]: Finished difference Result 10215 states and 13337 transitions. [2019-10-02 04:27:28,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 04:27:28,419 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 195 [2019-10-02 04:27:28,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:27:28,430 INFO L225 Difference]: With dead ends: 10215 [2019-10-02 04:27:28,430 INFO L226 Difference]: Without dead ends: 5133 [2019-10-02 04:27:28,441 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2019-10-02 04:27:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5133 states. [2019-10-02 04:27:28,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5133 to 5132. [2019-10-02 04:27:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5132 states. [2019-10-02 04:27:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5132 states to 5132 states and 6693 transitions. [2019-10-02 04:27:28,561 INFO L78 Accepts]: Start accepts. Automaton has 5132 states and 6693 transitions. Word has length 195 [2019-10-02 04:27:28,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:27:28,562 INFO L475 AbstractCegarLoop]: Abstraction has 5132 states and 6693 transitions. [2019-10-02 04:27:28,562 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-02 04:27:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5132 states and 6693 transitions. [2019-10-02 04:27:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-10-02 04:27:28,566 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:27:28,566 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 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] [2019-10-02 04:27:28,566 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:27:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:27:28,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1852140488, now seen corresponding path program 6 times [2019-10-02 04:27:28,567 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:27:28,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:27:28,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:28,575 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:27:28,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:27:29,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:29,049 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:27:29,671 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 04:28:35,308 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2019-10-02 04:28:35,309 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:28:35,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 23 conjunts are in the unsatisfiable core [2019-10-02 04:28:35,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:28:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:28:35,420 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:28:35,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2019-10-02 04:28:35,421 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-02 04:28:35,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-02 04:28:35,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2019-10-02 04:28:35,422 INFO L87 Difference]: Start difference. First operand 5132 states and 6693 transitions. Second operand 23 states. [2019-10-02 04:28:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:35,645 INFO L93 Difference]: Finished difference Result 10217 states and 13339 transitions. [2019-10-02 04:28:35,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-02 04:28:35,645 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 197 [2019-10-02 04:28:35,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:35,656 INFO L225 Difference]: With dead ends: 10217 [2019-10-02 04:28:35,657 INFO L226 Difference]: Without dead ends: 5135 [2019-10-02 04:28:35,666 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2019-10-02 04:28:35,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2019-10-02 04:28:35,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5134. [2019-10-02 04:28:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5134 states. [2019-10-02 04:28:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 6695 transitions. [2019-10-02 04:28:35,785 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 6695 transitions. Word has length 197 [2019-10-02 04:28:35,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:35,786 INFO L475 AbstractCegarLoop]: Abstraction has 5134 states and 6695 transitions. [2019-10-02 04:28:35,786 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-02 04:28:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 6695 transitions. [2019-10-02 04:28:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-02 04:28:35,790 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:35,790 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 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] [2019-10-02 04:28:35,790 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:35,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:35,791 INFO L82 PathProgramCache]: Analyzing trace with hash -849504508, now seen corresponding path program 7 times [2019-10-02 04:28:35,791 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:35,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:35,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:35,798 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:28:35,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:28:36,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:28:36,251 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:28:36,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:37,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 04:28:37,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:28:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:28:37,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:28:37,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 24 [2019-10-02 04:28:37,327 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-02 04:28:37,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-02 04:28:37,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2019-10-02 04:28:37,328 INFO L87 Difference]: Start difference. First operand 5134 states and 6695 transitions. Second operand 24 states. [2019-10-02 04:28:37,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:37,543 INFO L93 Difference]: Finished difference Result 10219 states and 13341 transitions. [2019-10-02 04:28:37,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-02 04:28:37,544 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 199 [2019-10-02 04:28:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:37,556 INFO L225 Difference]: With dead ends: 10219 [2019-10-02 04:28:37,556 INFO L226 Difference]: Without dead ends: 5137 [2019-10-02 04:28:37,566 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2019-10-02 04:28:37,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states. [2019-10-02 04:28:37,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5136. [2019-10-02 04:28:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5136 states. [2019-10-02 04:28:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 6697 transitions. [2019-10-02 04:28:37,697 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 6697 transitions. Word has length 199 [2019-10-02 04:28:37,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:37,697 INFO L475 AbstractCegarLoop]: Abstraction has 5136 states and 6697 transitions. [2019-10-02 04:28:37,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-02 04:28:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 6697 transitions. [2019-10-02 04:28:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-02 04:28:37,701 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:37,702 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 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] [2019-10-02 04:28:37,702 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:37,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:37,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1324868416, now seen corresponding path program 8 times [2019-10-02 04:28:37,702 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:37,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:37,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:37,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:37,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:28:38,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:28:38,170 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:28:38,920 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:28:39,515 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:28:39,515 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:28:39,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 23 conjunts are in the unsatisfiable core [2019-10-02 04:28:39,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:28:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (22)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:28:39,581 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:28:39,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 25 [2019-10-02 04:28:39,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-02 04:28:39,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-02 04:28:39,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2019-10-02 04:28:39,583 INFO L87 Difference]: Start difference. First operand 5136 states and 6697 transitions. Second operand 25 states. [2019-10-02 04:28:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:39,800 INFO L93 Difference]: Finished difference Result 10221 states and 13343 transitions. [2019-10-02 04:28:39,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-02 04:28:39,801 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 201 [2019-10-02 04:28:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:39,812 INFO L225 Difference]: With dead ends: 10221 [2019-10-02 04:28:39,812 INFO L226 Difference]: Without dead ends: 5139 [2019-10-02 04:28:39,821 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2019-10-02 04:28:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2019-10-02 04:28:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 5138. [2019-10-02 04:28:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5138 states. [2019-10-02 04:28:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 5138 states and 6699 transitions. [2019-10-02 04:28:39,948 INFO L78 Accepts]: Start accepts. Automaton has 5138 states and 6699 transitions. Word has length 201 [2019-10-02 04:28:39,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:39,948 INFO L475 AbstractCegarLoop]: Abstraction has 5138 states and 6699 transitions. [2019-10-02 04:28:39,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-02 04:28:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5138 states and 6699 transitions. [2019-10-02 04:28:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-02 04:28:39,955 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:39,955 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 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] [2019-10-02 04:28:39,955 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:39,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:39,956 INFO L82 PathProgramCache]: Analyzing trace with hash -751824772, now seen corresponding path program 9 times [2019-10-02 04:28:39,956 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:39,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:39,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:39,967 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:28:39,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:28:40,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:28:40,467 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:28:41,075 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 04:29:08,034 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2019-10-02 04:29:08,035 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:29:08,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-02 04:29:08,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:29:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:29:08,122 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:29:08,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2019-10-02 04:29:08,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-02 04:29:08,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-02 04:29:08,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2019-10-02 04:29:08,124 INFO L87 Difference]: Start difference. First operand 5138 states and 6699 transitions. Second operand 26 states. [2019-10-02 04:29:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:29:08,349 INFO L93 Difference]: Finished difference Result 10223 states and 13345 transitions. [2019-10-02 04:29:08,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-02 04:29:08,350 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 203 [2019-10-02 04:29:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:29:08,361 INFO L225 Difference]: With dead ends: 10223 [2019-10-02 04:29:08,361 INFO L226 Difference]: Without dead ends: 5141 [2019-10-02 04:29:08,371 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2019-10-02 04:29:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2019-10-02 04:29:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 5140. [2019-10-02 04:29:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5140 states. [2019-10-02 04:29:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 6701 transitions. [2019-10-02 04:29:08,490 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 6701 transitions. Word has length 203 [2019-10-02 04:29:08,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:29:08,490 INFO L475 AbstractCegarLoop]: Abstraction has 5140 states and 6701 transitions. [2019-10-02 04:29:08,490 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-02 04:29:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 6701 transitions. [2019-10-02 04:29:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-02 04:29:08,494 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:29:08,495 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 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] [2019-10-02 04:29:08,495 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:29:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:29:08,495 INFO L82 PathProgramCache]: Analyzing trace with hash 705814200, now seen corresponding path program 10 times [2019-10-02 04:29:08,495 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:29:08,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:29:08,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:29:08,502 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:29:08,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:29:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:29:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:29:09,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:29:09,175 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:29:09,769 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 04:29:16,676 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 04:29:16,676 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:29:16,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-02 04:29:16,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:29:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:29:16,751 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:29:16,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 27 [2019-10-02 04:29:16,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-02 04:29:16,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-02 04:29:16,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2019-10-02 04:29:16,755 INFO L87 Difference]: Start difference. First operand 5140 states and 6701 transitions. Second operand 27 states. [2019-10-02 04:29:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:29:17,012 INFO L93 Difference]: Finished difference Result 10225 states and 13347 transitions. [2019-10-02 04:29:17,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-02 04:29:17,013 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 205 [2019-10-02 04:29:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:29:17,024 INFO L225 Difference]: With dead ends: 10225 [2019-10-02 04:29:17,025 INFO L226 Difference]: Without dead ends: 5143 [2019-10-02 04:29:17,034 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2019-10-02 04:29:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5143 states. [2019-10-02 04:29:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5143 to 5142. [2019-10-02 04:29:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5142 states. [2019-10-02 04:29:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 6703 transitions. [2019-10-02 04:29:17,143 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 6703 transitions. Word has length 205 [2019-10-02 04:29:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:29:17,144 INFO L475 AbstractCegarLoop]: Abstraction has 5142 states and 6703 transitions. [2019-10-02 04:29:17,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-02 04:29:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 6703 transitions. [2019-10-02 04:29:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-02 04:29:17,148 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:29:17,148 INFO L411 BasicCegarLoop]: trace histogram [24, 24, 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] [2019-10-02 04:29:17,148 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:29:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:29:17,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1337527796, now seen corresponding path program 11 times [2019-10-02 04:29:17,149 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:29:17,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:29:17,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:29:17,159 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:29:17,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:29:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:29:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:29:17,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:29:17,813 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:29:18,426 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 04:30:32,999 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2019-10-02 04:30:32,999 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:30:33,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 2136 conjuncts, 26 conjunts are in the unsatisfiable core [2019-10-02 04:30:33,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:30:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:30:33,102 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:30:33,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 28 [2019-10-02 04:30:33,103 INFO L454 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-02 04:30:33,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-02 04:30:33,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2019-10-02 04:30:33,104 INFO L87 Difference]: Start difference. First operand 5142 states and 6703 transitions. Second operand 28 states. [2019-10-02 04:30:33,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:30:33,331 INFO L93 Difference]: Finished difference Result 10227 states and 13349 transitions. [2019-10-02 04:30:33,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-02 04:30:33,332 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 207 [2019-10-02 04:30:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:30:33,342 INFO L225 Difference]: With dead ends: 10227 [2019-10-02 04:30:33,343 INFO L226 Difference]: Without dead ends: 5145 [2019-10-02 04:30:33,355 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2019-10-02 04:30:33,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2019-10-02 04:30:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 5144. [2019-10-02 04:30:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5144 states. [2019-10-02 04:30:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 6705 transitions. [2019-10-02 04:30:33,467 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 6705 transitions. Word has length 207 [2019-10-02 04:30:33,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:30:33,467 INFO L475 AbstractCegarLoop]: Abstraction has 5144 states and 6705 transitions. [2019-10-02 04:30:33,467 INFO L476 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-02 04:30:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 6705 transitions. [2019-10-02 04:30:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-10-02 04:30:33,471 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:30:33,471 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 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] [2019-10-02 04:30:33,471 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:30:33,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:30:33,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1471062480, now seen corresponding path program 12 times [2019-10-02 04:30:33,472 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:30:33,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:30:33,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:30:33,482 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:30:33,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:30:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:30:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:30:34,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:30:34,086 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:30:34,702 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 04:32:10,292 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2019-10-02 04:32:10,292 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:32:10,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-02 04:32:10,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:32:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:32:10,412 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:32:10,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 29 [2019-10-02 04:32:10,413 INFO L454 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-10-02 04:32:10,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-10-02 04:32:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2019-10-02 04:32:10,413 INFO L87 Difference]: Start difference. First operand 5144 states and 6705 transitions. Second operand 29 states. [2019-10-02 04:32:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:32:10,644 INFO L93 Difference]: Finished difference Result 10229 states and 13351 transitions. [2019-10-02 04:32:10,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-02 04:32:10,645 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 209 [2019-10-02 04:32:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:32:10,656 INFO L225 Difference]: With dead ends: 10229 [2019-10-02 04:32:10,656 INFO L226 Difference]: Without dead ends: 5147 [2019-10-02 04:32:10,665 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2019-10-02 04:32:10,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2019-10-02 04:32:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 5146. [2019-10-02 04:32:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5146 states. [2019-10-02 04:32:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5146 states to 5146 states and 6707 transitions. [2019-10-02 04:32:10,778 INFO L78 Accepts]: Start accepts. Automaton has 5146 states and 6707 transitions. Word has length 209 [2019-10-02 04:32:10,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:32:10,779 INFO L475 AbstractCegarLoop]: Abstraction has 5146 states and 6707 transitions. [2019-10-02 04:32:10,779 INFO L476 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-10-02 04:32:10,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5146 states and 6707 transitions. [2019-10-02 04:32:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-02 04:32:10,783 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:32:10,783 INFO L411 BasicCegarLoop]: trace histogram [26, 26, 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] [2019-10-02 04:32:10,783 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:32:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:32:10,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1008111468, now seen corresponding path program 13 times [2019-10-02 04:32:10,783 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:32:10,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:32:10,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:32:10,790 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:32:10,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:32:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:32:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 676 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:32:11,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:32:11,356 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:32:11,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:32:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:32:12,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-02 04:32:12,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:32:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 676 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:32:12,438 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:32:12,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 30 [2019-10-02 04:32:12,439 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-02 04:32:12,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-02 04:32:12,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2019-10-02 04:32:12,440 INFO L87 Difference]: Start difference. First operand 5146 states and 6707 transitions. Second operand 30 states. [2019-10-02 04:32:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:32:12,678 INFO L93 Difference]: Finished difference Result 10231 states and 13353 transitions. [2019-10-02 04:32:12,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-02 04:32:12,678 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 211 [2019-10-02 04:32:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:32:12,689 INFO L225 Difference]: With dead ends: 10231 [2019-10-02 04:32:12,690 INFO L226 Difference]: Without dead ends: 5149 [2019-10-02 04:32:12,836 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2019-10-02 04:32:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2019-10-02 04:32:12,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 5148. [2019-10-02 04:32:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5148 states. [2019-10-02 04:32:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 6709 transitions. [2019-10-02 04:32:12,945 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 6709 transitions. Word has length 211 [2019-10-02 04:32:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:32:12,945 INFO L475 AbstractCegarLoop]: Abstraction has 5148 states and 6709 transitions. [2019-10-02 04:32:12,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-02 04:32:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 6709 transitions. [2019-10-02 04:32:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-02 04:32:12,949 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:32:12,950 INFO L411 BasicCegarLoop]: trace histogram [27, 27, 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] [2019-10-02 04:32:12,950 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:32:12,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:32:12,950 INFO L82 PathProgramCache]: Analyzing trace with hash -212573784, now seen corresponding path program 14 times [2019-10-02 04:32:12,950 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:32:12,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:32:12,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:32:12,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:32:12,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:32:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:32:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:32:13,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:32:13,766 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 04:32:14,382 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:32:14,975 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:32:14,975 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 04:32:14,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 2154 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-02 04:32:14,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:32:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (28)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 04:32:15,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:32:15,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 31 [2019-10-02 04:32:15,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-02 04:32:15,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-02 04:32:15,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2019-10-02 04:32:15,053 INFO L87 Difference]: Start difference. First operand 5148 states and 6709 transitions. Second operand 31 states. [2019-10-02 04:32:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:32:15,307 INFO L93 Difference]: Finished difference Result 10233 states and 13355 transitions. [2019-10-02 04:32:15,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-02 04:32:15,307 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 213 [2019-10-02 04:32:15,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:32:15,318 INFO L225 Difference]: With dead ends: 10233 [2019-10-02 04:32:15,318 INFO L226 Difference]: Without dead ends: 5151 [2019-10-02 04:32:15,327 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2019-10-02 04:32:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5151 states. [2019-10-02 04:32:15,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5151 to 5150. [2019-10-02 04:32:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5150 states. [2019-10-02 04:32:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 6711 transitions. [2019-10-02 04:32:15,436 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 6711 transitions. Word has length 213 [2019-10-02 04:32:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:32:15,436 INFO L475 AbstractCegarLoop]: Abstraction has 5150 states and 6711 transitions. [2019-10-02 04:32:15,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-02 04:32:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 6711 transitions. [2019-10-02 04:32:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-02 04:32:15,440 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:32:15,440 INFO L411 BasicCegarLoop]: trace histogram [28, 28, 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] [2019-10-02 04:32:15,441 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:32:15,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:32:15,441 INFO L82 PathProgramCache]: Analyzing trace with hash -765029148, now seen corresponding path program 15 times [2019-10-02 04:32:15,441 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:32:15,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:32:15,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:32:15,450 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:32:15,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:32:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:32:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 04:32:16,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:32:16,288 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 04:32:16,904 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2