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/usb_urb-drivers-net-usb-catc.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:09:09,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:09:09,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:09:09,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:09:09,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:09:09,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:09:09,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:09:09,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:09:09,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:09:09,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:09:09,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:09:09,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:09:09,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:09:09,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:09:09,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:09:09,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:09:09,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:09:09,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:09:09,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:09:09,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:09:09,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:09:09,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:09:09,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:09:09,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:09:09,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:09:09,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:09:09,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:09:09,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:09:09,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:09:09,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:09:09,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:09:09,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:09:09,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:09:09,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:09:09,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:09:09,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:09:09,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:09:09,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:09:09,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:09:09,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:09:09,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:09:09,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:09:09,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:09:09,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:09:09,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:09:09,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:09:09,169 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:09:09,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:09:09,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:09:09,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:09:09,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:09:09,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:09:09,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:09:09,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:09:09,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:09:09,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:09:09,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:09:09,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:09:09,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:09:09,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:09:09,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:09:09,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:09:09,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:09:09,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:09:09,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:09:09,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:09:09,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:09:09,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:09:09,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:09:09,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:09:09,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:09:09,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:09:09,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:09:09,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:09:09,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:09:09,230 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:09:09,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-09-20 13:09:09,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba42ea20/4cd33628aa4748039bbddb3034edb906/FLAG8f9a88e9d [2019-09-20 13:09:10,090 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:09:10,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-09-20 13:09:10,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba42ea20/4cd33628aa4748039bbddb3034edb906/FLAG8f9a88e9d [2019-09-20 13:09:10,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba42ea20/4cd33628aa4748039bbddb3034edb906 [2019-09-20 13:09:10,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:09:10,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:09:10,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:09:10,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:09:10,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:09:10,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:09:10" (1/1) ... [2019-09-20 13:09:10,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b46d101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:10, skipping insertion in model container [2019-09-20 13:09:10,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:09:10" (1/1) ... [2019-09-20 13:09:10,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:09:10,763 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:09:12,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:09:12,457 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:09:12,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:09:13,210 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:09:13,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13 WrapperNode [2019-09-20 13:09:13,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:09:13,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:09:13,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:09:13,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:09:13,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... [2019-09-20 13:09:13,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:09:13,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:09:13,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:09:13,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:09:13,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:09:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:09:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:09:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:09:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-20 13:09:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-20 13:09:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-20 13:09:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-20 13:09:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:09:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:09:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-20 13:09:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-20 13:09:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-20 13:09:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-20 13:09:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-20 13:09:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-20 13:09:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:09:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:09:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-20 13:09:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-20 13:09:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-09-20 13:09:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-20 13:09:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-20 13:09:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-20 13:09:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-20 13:09:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-20 13:09:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-20 13:09:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-20 13:09:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-20 13:09:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:09:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:09:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:09:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-20 13:09:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 13:09:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-20 13:09:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:09:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-20 13:09:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:09:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-09-20 13:09:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-09-20 13:09:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-09-20 13:09:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 13:09:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 13:09:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:09:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:09:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:09:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-20 13:09:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:09:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-20 13:09:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:09:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:09:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:09:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-20 13:09:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-20 13:09:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-20 13:09:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:09:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:09:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 13:09:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-20 13:09:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-20 13:09:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-20 13:09:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:09:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:09:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:09:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:09:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:09:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:09:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:09:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-20 13:09:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-20 13:09:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-20 13:09:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-20 13:09:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:09:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-20 13:09:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-20 13:09:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:09:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:09:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:09:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 13:09:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:09:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:09:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:09:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-20 13:09:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 13:09:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-20 13:09:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-20 13:09:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-20 13:09:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-20 13:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-20 13:09:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-20 13:09:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-20 13:09:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-09-20 13:09:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-09-20 13:09:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-09-20 13:09:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-09-20 13:09:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:09:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 13:09:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:09:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:09:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:09:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:09:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:09:14,855 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:09:14,933 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-09-20 13:09:14,934 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-09-20 13:09:15,528 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 13:09:16,080 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:09:16,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-09-20 13:09:16,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-09-20 13:09:16,755 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:09:17,057 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-09-20 13:09:17,058 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-09-20 13:09:17,221 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:09:17,221 INFO L283 CfgBuilder]: Removed 46 assume(true) statements. [2019-09-20 13:09:17,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:09:17 BoogieIcfgContainer [2019-09-20 13:09:17,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:09:17,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:09:17,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:09:17,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:09:17,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:09:10" (1/3) ... [2019-09-20 13:09:17,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2ec3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:09:17, skipping insertion in model container [2019-09-20 13:09:17,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:09:13" (2/3) ... [2019-09-20 13:09:17,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2ec3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:09:17, skipping insertion in model container [2019-09-20 13:09:17,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:09:17" (3/3) ... [2019-09-20 13:09:17,231 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-09-20 13:09:17,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:09:17,254 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:09:17,274 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:09:17,317 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:09:17,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:09:17,318 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:09:17,318 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:09:17,318 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:09:17,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:09:17,318 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:09:17,318 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:09:17,319 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:09:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states. [2019-09-20 13:09:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-09-20 13:09:17,365 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:17,366 INFO L407 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] [2019-09-20 13:09:17,369 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:17,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1738340035, now seen corresponding path program 1 times [2019-09-20 13:09:17,378 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:17,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:17,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:17,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:17,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:18,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:18,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:09:18,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:09:18,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:09:18,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:09:18,055 INFO L87 Difference]: Start difference. First operand 881 states. Second operand 6 states. [2019-09-20 13:09:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:18,271 INFO L93 Difference]: Finished difference Result 1325 states and 1812 transitions. [2019-09-20 13:09:18,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:09:18,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-09-20 13:09:18,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:18,295 INFO L225 Difference]: With dead ends: 1325 [2019-09-20 13:09:18,295 INFO L226 Difference]: Without dead ends: 667 [2019-09-20 13:09:18,306 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:09:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-09-20 13:09:18,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 666. [2019-09-20 13:09:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-09-20 13:09:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 830 transitions. [2019-09-20 13:09:18,430 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 830 transitions. Word has length 31 [2019-09-20 13:09:18,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:18,430 INFO L475 AbstractCegarLoop]: Abstraction has 666 states and 830 transitions. [2019-09-20 13:09:18,431 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:09:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 830 transitions. [2019-09-20 13:09:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-09-20 13:09:18,432 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:18,432 INFO L407 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] [2019-09-20 13:09:18,432 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:18,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:18,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1345313025, now seen corresponding path program 1 times [2019-09-20 13:09:18,433 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:18,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:18,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:18,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:18,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:18,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:18,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:09:18,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:09:18,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:09:18,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:18,620 INFO L87 Difference]: Start difference. First operand 666 states and 830 transitions. Second operand 3 states. [2019-09-20 13:09:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:18,723 INFO L93 Difference]: Finished difference Result 1930 states and 2437 transitions. [2019-09-20 13:09:18,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:09:18,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-09-20 13:09:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:18,738 INFO L225 Difference]: With dead ends: 1930 [2019-09-20 13:09:18,739 INFO L226 Difference]: Without dead ends: 1296 [2019-09-20 13:09:18,742 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:18,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-09-20 13:09:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1293. [2019-09-20 13:09:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1293 states. [2019-09-20 13:09:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1623 transitions. [2019-09-20 13:09:18,848 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1623 transitions. Word has length 31 [2019-09-20 13:09:18,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:18,849 INFO L475 AbstractCegarLoop]: Abstraction has 1293 states and 1623 transitions. [2019-09-20 13:09:18,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:09:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1623 transitions. [2019-09-20 13:09:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-20 13:09:18,850 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:18,850 INFO L407 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] [2019-09-20 13:09:18,851 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:18,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1245408959, now seen corresponding path program 1 times [2019-09-20 13:09:18,851 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:18,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:18,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:18,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:18,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:19,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:19,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:09:19,001 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:09:19,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:09:19,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:19,002 INFO L87 Difference]: Start difference. First operand 1293 states and 1623 transitions. Second operand 3 states. [2019-09-20 13:09:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:19,047 INFO L93 Difference]: Finished difference Result 1295 states and 1624 transitions. [2019-09-20 13:09:19,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:09:19,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-20 13:09:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:19,056 INFO L225 Difference]: With dead ends: 1295 [2019-09-20 13:09:19,056 INFO L226 Difference]: Without dead ends: 1282 [2019-09-20 13:09:19,057 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:19,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-09-20 13:09:19,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1277. [2019-09-20 13:09:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2019-09-20 13:09:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1601 transitions. [2019-09-20 13:09:19,116 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1601 transitions. Word has length 32 [2019-09-20 13:09:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:19,117 INFO L475 AbstractCegarLoop]: Abstraction has 1277 states and 1601 transitions. [2019-09-20 13:09:19,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:09:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1601 transitions. [2019-09-20 13:09:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-20 13:09:19,133 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:19,133 INFO L407 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] [2019-09-20 13:09:19,133 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:19,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:19,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1600299470, now seen corresponding path program 1 times [2019-09-20 13:09:19,135 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:19,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:19,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:19,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:19,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:19,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:19,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:09:19,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:09:19,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:09:19,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:19,410 INFO L87 Difference]: Start difference. First operand 1277 states and 1601 transitions. Second operand 3 states. [2019-09-20 13:09:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:19,502 INFO L93 Difference]: Finished difference Result 2601 states and 3304 transitions. [2019-09-20 13:09:19,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:09:19,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-20 13:09:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:19,513 INFO L225 Difference]: With dead ends: 2601 [2019-09-20 13:09:19,513 INFO L226 Difference]: Without dead ends: 1350 [2019-09-20 13:09:19,519 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2019-09-20 13:09:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2019-09-20 13:09:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2019-09-20 13:09:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1721 transitions. [2019-09-20 13:09:19,588 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1721 transitions. Word has length 81 [2019-09-20 13:09:19,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:19,589 INFO L475 AbstractCegarLoop]: Abstraction has 1348 states and 1721 transitions. [2019-09-20 13:09:19,589 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:09:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1721 transitions. [2019-09-20 13:09:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-09-20 13:09:19,592 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:19,593 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:19,593 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:19,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1037335878, now seen corresponding path program 1 times [2019-09-20 13:09:19,594 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:19,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:19,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:19,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:19,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:19,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:19,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:09:19,819 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:09:19,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:09:19,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:19,820 INFO L87 Difference]: Start difference. First operand 1348 states and 1721 transitions. Second operand 5 states. [2019-09-20 13:09:20,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:20,051 INFO L93 Difference]: Finished difference Result 2697 states and 3443 transitions. [2019-09-20 13:09:20,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:09:20,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2019-09-20 13:09:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:20,061 INFO L225 Difference]: With dead ends: 2697 [2019-09-20 13:09:20,061 INFO L226 Difference]: Without dead ends: 1362 [2019-09-20 13:09:20,067 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:20,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2019-09-20 13:09:20,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1350. [2019-09-20 13:09:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2019-09-20 13:09:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1718 transitions. [2019-09-20 13:09:20,144 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1718 transitions. Word has length 115 [2019-09-20 13:09:20,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:20,144 INFO L475 AbstractCegarLoop]: Abstraction has 1350 states and 1718 transitions. [2019-09-20 13:09:20,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:09:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1718 transitions. [2019-09-20 13:09:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-20 13:09:20,150 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:20,151 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-20 13:09:20,151 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:20,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:20,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1040217340, now seen corresponding path program 1 times [2019-09-20 13:09:20,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:20,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:20,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:20,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:20,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-09-20 13:09:20,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:20,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:09:20,421 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:09:20,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:09:20,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:09:20,422 INFO L87 Difference]: Start difference. First operand 1350 states and 1718 transitions. Second operand 7 states. [2019-09-20 13:09:21,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:21,884 INFO L93 Difference]: Finished difference Result 1416 states and 1803 transitions. [2019-09-20 13:09:21,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:09:21,888 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2019-09-20 13:09:21,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:21,902 INFO L225 Difference]: With dead ends: 1416 [2019-09-20 13:09:21,903 INFO L226 Difference]: Without dead ends: 1352 [2019-09-20 13:09:21,905 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:09:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2019-09-20 13:09:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1350. [2019-09-20 13:09:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2019-09-20 13:09:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1716 transitions. [2019-09-20 13:09:22,009 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1716 transitions. Word has length 171 [2019-09-20 13:09:22,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:22,010 INFO L475 AbstractCegarLoop]: Abstraction has 1350 states and 1716 transitions. [2019-09-20 13:09:22,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:09:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1716 transitions. [2019-09-20 13:09:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-20 13:09:22,016 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:22,017 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-20 13:09:22,017 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:22,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:22,018 INFO L82 PathProgramCache]: Analyzing trace with hash -94446840, now seen corresponding path program 1 times [2019-09-20 13:09:22,018 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:22,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:22,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:22,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:22,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-09-20 13:09:22,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:09:22,463 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:09:22,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:23,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 1902 conjuncts, 33 conjunts are in the unsatisfiable core [2019-09-20 13:09:23,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:09:23,129 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-09-20 13:09:23,129 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,143 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-09-20 13:09:23,143 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,152 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2019-09-20 13:09:23,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:23,243 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:23,243 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:23,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:23,269 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,279 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,279 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:19 [2019-09-20 13:09:23,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:23,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:23,349 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,362 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:23,367 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:23,368 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,378 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,379 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,379 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:19 [2019-09-20 13:09:23,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:23,441 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:23,442 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,454 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:23,462 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:23,462 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,474 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,475 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,475 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:19 [2019-09-20 13:09:23,488 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-09-20 13:09:23,489 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,499 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-09-20 13:09:23,500 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:23,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:23,505 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2019-09-20 13:09:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-09-20 13:09:23,666 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:09:23,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 10 [2019-09-20 13:09:23,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:09:23,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:09:23,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:09:23,668 INFO L87 Difference]: Start difference. First operand 1350 states and 1716 transitions. Second operand 10 states. [2019-09-20 13:09:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:26,446 INFO L93 Difference]: Finished difference Result 2658 states and 3376 transitions. [2019-09-20 13:09:26,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:09:26,446 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2019-09-20 13:09:26,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:26,455 INFO L225 Difference]: With dead ends: 2658 [2019-09-20 13:09:26,455 INFO L226 Difference]: Without dead ends: 1290 [2019-09-20 13:09:26,462 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 166 SyntacticMatches, 8 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:09:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2019-09-20 13:09:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1274. [2019-09-20 13:09:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-09-20 13:09:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1593 transitions. [2019-09-20 13:09:26,517 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1593 transitions. Word has length 172 [2019-09-20 13:09:26,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:26,518 INFO L475 AbstractCegarLoop]: Abstraction has 1274 states and 1593 transitions. [2019-09-20 13:09:26,518 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:09:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1593 transitions. [2019-09-20 13:09:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-20 13:09:26,523 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:26,523 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2019-09-20 13:09:26,524 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:26,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:26,524 INFO L82 PathProgramCache]: Analyzing trace with hash -303145143, now seen corresponding path program 1 times [2019-09-20 13:09:26,524 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:26,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:26,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:26,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:26,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-09-20 13:09:26,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:09:26,777 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 [2019-09-20 13:09:27,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:27,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-20 13:09:27,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:09:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-09-20 13:09:27,462 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:09:27,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2019-09-20 13:09:27,465 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:09:27,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:09:27,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:09:27,468 INFO L87 Difference]: Start difference. First operand 1274 states and 1593 transitions. Second operand 10 states. [2019-09-20 13:09:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:34,055 INFO L93 Difference]: Finished difference Result 1830 states and 2347 transitions. [2019-09-20 13:09:34,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:09:34,057 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2019-09-20 13:09:34,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:34,080 INFO L225 Difference]: With dead ends: 1830 [2019-09-20 13:09:34,080 INFO L226 Difference]: Without dead ends: 1825 [2019-09-20 13:09:34,081 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:09:34,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2019-09-20 13:09:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1704. [2019-09-20 13:09:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2019-09-20 13:09:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2146 transitions. [2019-09-20 13:09:34,207 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2146 transitions. Word has length 172 [2019-09-20 13:09:34,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:34,208 INFO L475 AbstractCegarLoop]: Abstraction has 1704 states and 2146 transitions. [2019-09-20 13:09:34,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:09:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2146 transitions. [2019-09-20 13:09:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-20 13:09:34,216 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:34,217 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:34,217 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:34,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:34,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2063626711, now seen corresponding path program 1 times [2019-09-20 13:09:34,217 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:34,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:34,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:34,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:34,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-09-20 13:09:34,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:34,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:09:34,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:09:34,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:09:34,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:09:34,523 INFO L87 Difference]: Start difference. First operand 1704 states and 2146 transitions. Second operand 7 states. [2019-09-20 13:09:35,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:35,893 INFO L93 Difference]: Finished difference Result 1773 states and 2231 transitions. [2019-09-20 13:09:35,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:09:35,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2019-09-20 13:09:35,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:35,904 INFO L225 Difference]: With dead ends: 1773 [2019-09-20 13:09:35,905 INFO L226 Difference]: Without dead ends: 1704 [2019-09-20 13:09:35,906 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:09:35,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2019-09-20 13:09:35,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1704. [2019-09-20 13:09:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2019-09-20 13:09:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2145 transitions. [2019-09-20 13:09:35,971 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2145 transitions. Word has length 204 [2019-09-20 13:09:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:35,972 INFO L475 AbstractCegarLoop]: Abstraction has 1704 states and 2145 transitions. [2019-09-20 13:09:35,972 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:09:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2145 transitions. [2019-09-20 13:09:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-20 13:09:35,976 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:35,977 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:35,977 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:35,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:35,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1231396798, now seen corresponding path program 1 times [2019-09-20 13:09:35,978 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:35,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:35,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:35,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:35,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-09-20 13:09:36,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:09:36,344 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 [2019-09-20 13:09:36,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:36,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 31 conjunts are in the unsatisfiable core [2019-09-20 13:09:36,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:09:36,851 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-09-20 13:09:36,852 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,858 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:36,862 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-09-20 13:09:36,862 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,867 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:36,868 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,868 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2019-09-20 13:09:36,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:36,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:36,913 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:36,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:36,930 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:36,931 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:36,942 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,942 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:19 [2019-09-20 13:09:36,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:36,982 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:36,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:36,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:36,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 13:09:37,000 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-09-20 13:09:37,000 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:37,010 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:37,011 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:37,011 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:19 [2019-09-20 13:09:37,042 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-09-20 13:09:37,043 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:37,050 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:37,053 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-09-20 13:09:37,053 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 13:09:37,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-20 13:09:37,058 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 13:09:37,058 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2019-09-20 13:09:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 61 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-09-20 13:09:37,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:09:37,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 10 [2019-09-20 13:09:37,199 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:09:37,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:09:37,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:09:37,200 INFO L87 Difference]: Start difference. First operand 1704 states and 2145 transitions. Second operand 10 states. [2019-09-20 13:09:39,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:39,833 INFO L93 Difference]: Finished difference Result 2851 states and 3614 transitions. [2019-09-20 13:09:39,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:09:39,834 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2019-09-20 13:09:39,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:39,844 INFO L225 Difference]: With dead ends: 2851 [2019-09-20 13:09:39,844 INFO L226 Difference]: Without dead ends: 1718 [2019-09-20 13:09:39,850 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 199 SyntacticMatches, 7 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:09:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-09-20 13:09:39,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1704. [2019-09-20 13:09:39,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2019-09-20 13:09:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2144 transitions. [2019-09-20 13:09:39,917 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2144 transitions. Word has length 205 [2019-09-20 13:09:39,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:39,918 INFO L475 AbstractCegarLoop]: Abstraction has 1704 states and 2144 transitions. [2019-09-20 13:09:39,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:09:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2144 transitions. [2019-09-20 13:09:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-20 13:09:39,922 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:39,923 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:39,923 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:39,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:39,923 INFO L82 PathProgramCache]: Analyzing trace with hash -699222307, now seen corresponding path program 2 times [2019-09-20 13:09:39,924 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:39,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:39,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:39,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:39,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-09-20 13:09:40,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:09:40,396 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 [2019-09-20 13:09:40,659 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:09:41,119 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:09:41,119 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:09:41,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 21 conjunts are in the unsatisfiable core [2019-09-20 13:09:41,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:09:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-09-20 13:09:41,238 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:09:41,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 12 [2019-09-20 13:09:41,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:09:41,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:09:41,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:09:41,244 INFO L87 Difference]: Start difference. First operand 1704 states and 2144 transitions. Second operand 12 states.