./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:46:40,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:46:40,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:46:40,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:46:40,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:46:40,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:46:40,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:46:40,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:46:40,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:46:40,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:46:40,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:46:40,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:46:40,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:46:40,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:46:40,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:46:40,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:46:40,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:46:40,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:46:40,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:46:40,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:46:40,118 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:46:40,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:46:40,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:46:40,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:46:40,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:46:40,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:46:40,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:46:40,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:46:40,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:46:40,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:46:40,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:46:40,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:46:40,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:46:40,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:46:40,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:46:40,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:46:40,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:46:40,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:46:40,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:46:40,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:46:40,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:46:40,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:46:40,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:46:40,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:46:40,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:46:40,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:46:40,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:46:40,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:46:40,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:46:40,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:46:40,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:46:40,165 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:46:40,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:46:40,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:46:40,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:46:40,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:46:40,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:46:40,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:46:40,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:46:40,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:46:40,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:46:40,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:46:40,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:46:40,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:46:40,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:46:40,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:46:40,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:46:40,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:46:40,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:46:40,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:46:40,169 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:46:40,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:46:40,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:46:40,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a [2022-07-23 00:46:40,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:46:40,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:46:40,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:46:40,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:46:40,427 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:46:40,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-07-23 00:46:40,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ec84ee7/35aa3c504e914d86a5547be45eb57dbc/FLAG699b08099 [2022-07-23 00:46:41,253 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:46:41,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-07-23 00:46:41,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ec84ee7/35aa3c504e914d86a5547be45eb57dbc/FLAG699b08099 [2022-07-23 00:46:41,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ec84ee7/35aa3c504e914d86a5547be45eb57dbc [2022-07-23 00:46:41,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:46:41,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:46:41,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:46:41,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:46:41,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:46:41,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:46:41" (1/1) ... [2022-07-23 00:46:41,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ac1809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:41, skipping insertion in model container [2022-07-23 00:46:41,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:46:41" (1/1) ... [2022-07-23 00:46:41,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:46:41,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:46:44,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-07-23 00:46:44,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:46:44,232 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:46:44,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-07-23 00:46:44,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:46:44,849 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:46:44,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44 WrapperNode [2022-07-23 00:46:44,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:46:44,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:46:44,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:46:44,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:46:44,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:44,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,189 INFO L137 Inliner]: procedures = 388, calls = 3920, calls flagged for inlining = 190, calls inlined = 187, statements flattened = 7932 [2022-07-23 00:46:45,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:46:45,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:46:45,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:46:45,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:46:45,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:46:45,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:46:45,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:46:45,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:46:45,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (1/1) ... [2022-07-23 00:46:45,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:46:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:46:45,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 00:46:45,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 00:46:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-07-23 00:46:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-07-23 00:46:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-07-23 00:46:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-07-23 00:46:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-07-23 00:46:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-07-23 00:46:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 00:46:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 00:46:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:46:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:46:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-23 00:46:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-23 00:46:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-07-23 00:46:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-07-23 00:46:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-07-23 00:46:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-07-23 00:46:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-23 00:46:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-23 00:46:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-07-23 00:46:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-07-23 00:46:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:46:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:46:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-23 00:46:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-23 00:46:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2022-07-23 00:46:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2022-07-23 00:46:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-07-23 00:46:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-07-23 00:46:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-07-23 00:46:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-07-23 00:46:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-23 00:46:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-23 00:46:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-23 00:46:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-23 00:46:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2022-07-23 00:46:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2022-07-23 00:46:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-07-23 00:46:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-07-23 00:46:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-23 00:46:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-23 00:46:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2022-07-23 00:46:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2022-07-23 00:46:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:46:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:46:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-07-23 00:46:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-07-23 00:46:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-07-23 00:46:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-07-23 00:46:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-07-23 00:46:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-07-23 00:46:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-07-23 00:46:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-07-23 00:46:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:46:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:46:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:46:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:46:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-07-23 00:46:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-07-23 00:46:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-07-23 00:46:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-07-23 00:46:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-23 00:46:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-07-23 00:46:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-07-23 00:46:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:46:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:46:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:46:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:46:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-07-23 00:46:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-07-23 00:46:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:46:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 00:46:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 00:46:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-23 00:46:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-23 00:46:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-07-23 00:46:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-07-23 00:46:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:46:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:46:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-07-23 00:46:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-07-23 00:46:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-23 00:46:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-23 00:46:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:46:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:46:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:46:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-07-23 00:46:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-07-23 00:46:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:46:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:46:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:46:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-07-23 00:46:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-07-23 00:46:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-07-23 00:46:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-07-23 00:46:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-23 00:46:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-23 00:46:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:46:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 00:46:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 00:46:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-07-23 00:46:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-07-23 00:46:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-07-23 00:46:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-07-23 00:46:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-23 00:46:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-23 00:46:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-23 00:46:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-23 00:46:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:46:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:46:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:46:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:46:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:46:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:46:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:46:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:46:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:46:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:46:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-07-23 00:46:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-07-23 00:46:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 00:46:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 00:46:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-07-23 00:46:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-07-23 00:46:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 00:46:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 00:46:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-07-23 00:46:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-07-23 00:46:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:46:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:46:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:46:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:46:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-07-23 00:46:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-07-23 00:46:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:46:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:46:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-07-23 00:46:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-07-23 00:46:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-07-23 00:46:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-07-23 00:46:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 00:46:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 00:46:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-23 00:46:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-23 00:46:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-23 00:46:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-23 00:46:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-23 00:46:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-23 00:46:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:46:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:46:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:46:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:46:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2022-07-23 00:46:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2022-07-23 00:46:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-07-23 00:46:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-07-23 00:46:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-23 00:46:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-23 00:46:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-23 00:46:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-23 00:46:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:46:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:46:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-23 00:46:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-23 00:46:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:46:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:46:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-23 00:46:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-23 00:46:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-07-23 00:46:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-07-23 00:46:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2022-07-23 00:46:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2022-07-23 00:46:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-07-23 00:46:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-07-23 00:46:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:46:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:46:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2022-07-23 00:46:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2022-07-23 00:46:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-07-23 00:46:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-07-23 00:46:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:46:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:46:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:46:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-07-23 00:46:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-07-23 00:46:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-07-23 00:46:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-07-23 00:46:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:46:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-23 00:46:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-23 00:46:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-07-23 00:46:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-07-23 00:46:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:46:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-23 00:46:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-23 00:46:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-23 00:46:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-23 00:46:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:46:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:46:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-07-23 00:46:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-07-23 00:46:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 00:46:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 00:46:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:46:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:46:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:46:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:46:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2022-07-23 00:46:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2022-07-23 00:46:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-07-23 00:46:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-07-23 00:46:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 00:46:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 00:46:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-23 00:46:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-23 00:46:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-23 00:46:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-23 00:46:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-07-23 00:46:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-07-23 00:46:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-07-23 00:46:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-07-23 00:46:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-23 00:46:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-23 00:46:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2022-07-23 00:46:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2022-07-23 00:46:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 00:46:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 00:46:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-07-23 00:46:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-07-23 00:46:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-07-23 00:46:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-07-23 00:46:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 00:46:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 00:46:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-23 00:46:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-23 00:46:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:46:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:46:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:46:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2022-07-23 00:46:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2022-07-23 00:46:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-07-23 00:46:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-07-23 00:46:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-23 00:46:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-07-23 00:46:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:46:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:46:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-07-23 00:46:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-07-23 00:46:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-07-23 00:46:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-07-23 00:46:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2022-07-23 00:46:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2022-07-23 00:46:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:46:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:46:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-07-23 00:46:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-07-23 00:46:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2022-07-23 00:46:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2022-07-23 00:46:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-07-23 00:46:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-07-23 00:46:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 00:46:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 00:46:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-07-23 00:46:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-07-23 00:46:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-07-23 00:46:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-07-23 00:46:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-23 00:46:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-23 00:46:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:46:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:46:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:46:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:46:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-07-23 00:46:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-07-23 00:46:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:46:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-23 00:46:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-23 00:46:46,618 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:46:46,624 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:46:46,973 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:46:56,354 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:46:56,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:46:56,382 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:46:56,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:46:56 BoogieIcfgContainer [2022-07-23 00:46:56,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:46:56,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:46:56,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:46:56,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:46:56,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:46:41" (1/3) ... [2022-07-23 00:46:56,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c849315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:46:56, skipping insertion in model container [2022-07-23 00:46:56,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:46:44" (2/3) ... [2022-07-23 00:46:56,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c849315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:46:56, skipping insertion in model container [2022-07-23 00:46:56,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:46:56" (3/3) ... [2022-07-23 00:46:56,395 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-07-23 00:46:56,410 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:46:56,411 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:46:56,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:46:56,545 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e9a9a32, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78547b75 [2022-07-23 00:46:56,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:46:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 1698 states have (on average 1.3468786808009423) internal successors, (2287), 1734 states have internal predecessors, (2287), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) [2022-07-23 00:46:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-23 00:46:56,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:46:56,604 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:46:56,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:46:56,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:46:56,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1536291652, now seen corresponding path program 1 times [2022-07-23 00:46:56,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:46:56,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296568272] [2022-07-23 00:46:56,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:46:56,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:46:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:46:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:46:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:46:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:46:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:46:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:46:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:46:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:46:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:46:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:46:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:46:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:46:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:46:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:46:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:46:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:46:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:46:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:46:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:46:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:46:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:46:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:46:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:46:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:46:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:46:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 00:46:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:46:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:46:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-07-23 00:46:58,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:46:58,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296568272] [2022-07-23 00:46:58,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296568272] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:46:58,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:46:58,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:46:58,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365741074] [2022-07-23 00:46:58,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:46:58,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:46:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:46:58,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:46:58,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:46:58,195 INFO L87 Difference]: Start difference. First operand has 2348 states, 1698 states have (on average 1.3468786808009423) internal successors, (2287), 1734 states have internal predecessors, (2287), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 00:47:03,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:47:10,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:47:10,056 INFO L93 Difference]: Finished difference Result 5373 states and 7946 transitions. [2022-07-23 00:47:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:47:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2022-07-23 00:47:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:47:10,114 INFO L225 Difference]: With dead ends: 5373 [2022-07-23 00:47:10,114 INFO L226 Difference]: Without dead ends: 3012 [2022-07-23 00:47:10,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:47:10,147 INFO L413 NwaCegarLoop]: 3157 mSDtfsCounter, 2817 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 2388 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 6888 SdHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2388 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:47:10,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 6888 Invalid, 4473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2388 Valid, 2084 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-07-23 00:47:10,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2022-07-23 00:47:10,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2330. [2022-07-23 00:47:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 1693 states have (on average 1.3396337861783816) internal successors, (2268), 1716 states have internal predecessors, (2268), 509 states have call successors, (509), 128 states have call predecessors, (509), 127 states have return successors, (507), 494 states have call predecessors, (507), 507 states have call successors, (507) [2022-07-23 00:47:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3284 transitions. [2022-07-23 00:47:10,356 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3284 transitions. Word has length 304 [2022-07-23 00:47:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:47:10,357 INFO L495 AbstractCegarLoop]: Abstraction has 2330 states and 3284 transitions. [2022-07-23 00:47:10,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 00:47:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3284 transitions. [2022-07-23 00:47:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-23 00:47:10,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:47:10,378 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:47:10,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:47:10,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:47:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:47:10,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1634991194, now seen corresponding path program 1 times [2022-07-23 00:47:10,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:47:10,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245190548] [2022-07-23 00:47:10,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:47:10,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:47:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:47:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:47:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:47:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:47:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:47:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:47:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:47:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:47:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:47:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:47:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:47:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:47:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:47:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:47:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:47:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:47:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:47:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:47:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:47:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:47:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:47:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:47:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:47:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:47:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 00:47:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-07-23 00:47:11,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:47:11,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245190548] [2022-07-23 00:47:11,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245190548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:47:11,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:47:11,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:47:11,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778399277] [2022-07-23 00:47:11,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:47:11,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:47:11,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:47:11,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:47:11,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:47:11,572 INFO L87 Difference]: Start difference. First operand 2330 states and 3284 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 00:47:15,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:47:17,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:47:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:47:29,779 INFO L93 Difference]: Finished difference Result 8252 states and 12087 transitions. [2022-07-23 00:47:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:47:29,780 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2022-07-23 00:47:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:47:29,817 INFO L225 Difference]: With dead ends: 8252 [2022-07-23 00:47:29,817 INFO L226 Difference]: Without dead ends: 5959 [2022-07-23 00:47:29,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:47:29,833 INFO L413 NwaCegarLoop]: 3997 mSDtfsCounter, 8240 mSDsluCounter, 7100 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 5018 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8610 SdHoareTripleChecker+Valid, 11097 SdHoareTripleChecker+Invalid, 9673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5018 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:47:29,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8610 Valid, 11097 Invalid, 9673 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5018 Valid, 4654 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2022-07-23 00:47:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2022-07-23 00:47:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 4610. [2022-07-23 00:47:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 3362 states have (on average 1.3417608566329566) internal successors, (4511), 3407 states have internal predecessors, (4511), 990 states have call successors, (990), 255 states have call predecessors, (990), 257 states have return successors, (1011), 965 states have call predecessors, (1011), 988 states have call successors, (1011) [2022-07-23 00:47:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 6512 transitions. [2022-07-23 00:47:30,062 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 6512 transitions. Word has length 304 [2022-07-23 00:47:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:47:30,064 INFO L495 AbstractCegarLoop]: Abstraction has 4610 states and 6512 transitions. [2022-07-23 00:47:30,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 00:47:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 6512 transitions. [2022-07-23 00:47:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-23 00:47:30,082 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:47:30,082 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:47:30,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:47:30,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:47:30,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:47:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash -466476478, now seen corresponding path program 1 times [2022-07-23 00:47:30,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:47:30,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964984482] [2022-07-23 00:47:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:47:30,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:47:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:47:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:47:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:47:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:47:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:47:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:47:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:47:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:47:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:47:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:47:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:47:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:47:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:47:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:47:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:47:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:47:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:47:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:47:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:47:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:47:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:47:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:47:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:47:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:47:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 00:47:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 00:47:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:47:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:47:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:47:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:47:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-07-23 00:47:31,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:47:31,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964984482] [2022-07-23 00:47:31,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964984482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:47:31,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:47:31,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:47:31,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256190083] [2022-07-23 00:47:31,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:47:31,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:47:31,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:47:31,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:47:31,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:47:31,142 INFO L87 Difference]: Start difference. First operand 4610 states and 6512 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 00:47:36,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:48:01,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:48:01,325 INFO L93 Difference]: Finished difference Result 17193 states and 25675 transitions. [2022-07-23 00:48:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 00:48:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 329 [2022-07-23 00:48:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:48:01,412 INFO L225 Difference]: With dead ends: 17193 [2022-07-23 00:48:01,413 INFO L226 Difference]: Without dead ends: 12633 [2022-07-23 00:48:01,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:48:01,438 INFO L413 NwaCegarLoop]: 3985 mSDtfsCounter, 10890 mSDsluCounter, 8140 mSDsCounter, 0 mSdLazyCounter, 11258 mSolverCounterSat, 7218 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11377 SdHoareTripleChecker+Valid, 12125 SdHoareTripleChecker+Invalid, 18477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7218 IncrementalHoareTripleChecker+Valid, 11258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:48:01,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11377 Valid, 12125 Invalid, 18477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7218 Valid, 11258 Invalid, 1 Unknown, 0 Unchecked, 29.4s Time] [2022-07-23 00:48:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12633 states. [2022-07-23 00:48:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12633 to 9758. [2022-07-23 00:48:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9758 states, 7130 states have (on average 1.3396914446002806) internal successors, (9552), 7228 states have internal predecessors, (9552), 2069 states have call successors, (2069), 503 states have call predecessors, (2069), 558 states have return successors, (2518), 2066 states have call predecessors, (2518), 2067 states have call successors, (2518) [2022-07-23 00:48:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9758 states to 9758 states and 14139 transitions. [2022-07-23 00:48:01,931 INFO L78 Accepts]: Start accepts. Automaton has 9758 states and 14139 transitions. Word has length 329 [2022-07-23 00:48:01,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:48:01,932 INFO L495 AbstractCegarLoop]: Abstraction has 9758 states and 14139 transitions. [2022-07-23 00:48:01,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 00:48:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 9758 states and 14139 transitions. [2022-07-23 00:48:01,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-23 00:48:01,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:48:01,946 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:48:01,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:48:01,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:48:01,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:48:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1117689425, now seen corresponding path program 1 times [2022-07-23 00:48:01,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:48:01,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280336309] [2022-07-23 00:48:01,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:48:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:48:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:48:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:48:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:48:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:48:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:48:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:48:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:48:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:48:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:48:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:48:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:48:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:48:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:48:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:48:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:48:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:48:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:48:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:48:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:48:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:48:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:48:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:48:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:48:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 00:48:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 00:48:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 00:48:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 00:48:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:48:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2022-07-23 00:48:02,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:48:02,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280336309] [2022-07-23 00:48:02,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280336309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:48:02,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:48:02,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:48:02,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249044276] [2022-07-23 00:48:02,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:48:02,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:48:02,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:48:02,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:48:02,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:48:02,843 INFO L87 Difference]: Start difference. First operand 9758 states and 14139 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 00:48:07,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:48:10,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:48:12,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:48:25,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:48:25,292 INFO L93 Difference]: Finished difference Result 33334 states and 49887 transitions. [2022-07-23 00:48:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:48:25,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 334 [2022-07-23 00:48:25,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:48:25,422 INFO L225 Difference]: With dead ends: 33334 [2022-07-23 00:48:25,423 INFO L226 Difference]: Without dead ends: 23626 [2022-07-23 00:48:25,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:48:25,476 INFO L413 NwaCegarLoop]: 3464 mSDtfsCounter, 6830 mSDsluCounter, 5590 mSDsCounter, 0 mSdLazyCounter, 4296 mSolverCounterSat, 3549 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7305 SdHoareTripleChecker+Valid, 9054 SdHoareTripleChecker+Invalid, 7848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3549 IncrementalHoareTripleChecker+Valid, 4296 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:48:25,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7305 Valid, 9054 Invalid, 7848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3549 Valid, 4296 Invalid, 3 Unknown, 0 Unchecked, 21.5s Time] [2022-07-23 00:48:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23626 states. [2022-07-23 00:48:26,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23626 to 18486. [2022-07-23 00:48:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18486 states, 13500 states have (on average 1.3354074074074074) internal successors, (18028), 13700 states have internal predecessors, (18028), 3893 states have call successors, (3893), 981 states have call predecessors, (3893), 1092 states have return successors, (4729), 3884 states have call predecessors, (4729), 3891 states have call successors, (4729) [2022-07-23 00:48:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18486 states to 18486 states and 26650 transitions. [2022-07-23 00:48:26,599 INFO L78 Accepts]: Start accepts. Automaton has 18486 states and 26650 transitions. Word has length 334 [2022-07-23 00:48:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:48:26,600 INFO L495 AbstractCegarLoop]: Abstraction has 18486 states and 26650 transitions. [2022-07-23 00:48:26,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 00:48:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 18486 states and 26650 transitions. [2022-07-23 00:48:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-07-23 00:48:26,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:48:26,613 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:48:26,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:48:26,613 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:48:26,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:48:26,614 INFO L85 PathProgramCache]: Analyzing trace with hash -722257380, now seen corresponding path program 1 times [2022-07-23 00:48:26,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:48:26,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976488090] [2022-07-23 00:48:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:48:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:48:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:48:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:48:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:48:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:48:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:48:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:48:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:48:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:48:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:48:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:48:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:48:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:48:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:48:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:48:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:48:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:48:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:48:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:48:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:48:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:48:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:48:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:48:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:48:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:48:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 00:48:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 00:48:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 00:48:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 00:48:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2022-07-23 00:48:27,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:48:27,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976488090] [2022-07-23 00:48:27,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976488090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:48:27,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:48:27,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:48:27,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942731859] [2022-07-23 00:48:27,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:48:27,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:48:27,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:48:27,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:48:27,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:48:27,544 INFO L87 Difference]: Start difference. First operand 18486 states and 26650 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 00:48:29,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:48:40,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:48:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:48:56,070 INFO L93 Difference]: Finished difference Result 65356 states and 99039 transitions. [2022-07-23 00:48:56,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 00:48:56,071 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 337 [2022-07-23 00:48:56,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:48:56,408 INFO L225 Difference]: With dead ends: 65356 [2022-07-23 00:48:56,408 INFO L226 Difference]: Without dead ends: 46920 [2022-07-23 00:48:56,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:48:56,509 INFO L413 NwaCegarLoop]: 3671 mSDtfsCounter, 13833 mSDsluCounter, 5747 mSDsCounter, 0 mSdLazyCounter, 8582 mSolverCounterSat, 10270 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14344 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 18854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10270 IncrementalHoareTripleChecker+Valid, 8582 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:48:56,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14344 Valid, 9418 Invalid, 18854 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10270 Valid, 8582 Invalid, 2 Unknown, 0 Unchecked, 26.3s Time] [2022-07-23 00:48:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46920 states. [2022-07-23 00:48:58,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46920 to 42765. [2022-07-23 00:48:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42765 states, 31414 states have (on average 1.3307124212134718) internal successors, (41803), 31830 states have internal predecessors, (41803), 8723 states have call successors, (8723), 1929 states have call predecessors, (8723), 2627 states have return successors, (14108), 9193 states have call predecessors, (14108), 8721 states have call successors, (14108) [2022-07-23 00:48:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42765 states to 42765 states and 64634 transitions. [2022-07-23 00:48:59,269 INFO L78 Accepts]: Start accepts. Automaton has 42765 states and 64634 transitions. Word has length 337 [2022-07-23 00:48:59,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:48:59,270 INFO L495 AbstractCegarLoop]: Abstraction has 42765 states and 64634 transitions. [2022-07-23 00:48:59,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 00:48:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 42765 states and 64634 transitions. [2022-07-23 00:48:59,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-23 00:48:59,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:48:59,291 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:48:59,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:48:59,292 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:48:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:48:59,292 INFO L85 PathProgramCache]: Analyzing trace with hash -355799515, now seen corresponding path program 1 times [2022-07-23 00:48:59,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:48:59,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701764389] [2022-07-23 00:48:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:48:59,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:48:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:48:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:48:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:48:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:48:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:48:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:48:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:49:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:49:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:49:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:49:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:49:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:49:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:49:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:49:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:49:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:49:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:49:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:49:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:49:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:49:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:49:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:49:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:49:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:49:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:49:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:49:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:49:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 00:49:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:49:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:49:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 00:49:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 00:49:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:49:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 00:49:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:49:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 00:49:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 00:49:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2022-07-23 00:49:00,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:49:00,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701764389] [2022-07-23 00:49:00,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701764389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:49:00,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:49:00,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:49:00,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791280156] [2022-07-23 00:49:00,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:49:00,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:49:00,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:49:00,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:49:00,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:49:00,523 INFO L87 Difference]: Start difference. First operand 42765 states and 64634 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-23 00:49:02,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:49:18,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:49:18,751 INFO L93 Difference]: Finished difference Result 89592 states and 136972 transitions. [2022-07-23 00:49:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 00:49:18,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 414 [2022-07-23 00:49:18,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:49:19,059 INFO L225 Difference]: With dead ends: 89592 [2022-07-23 00:49:19,059 INFO L226 Difference]: Without dead ends: 46877 [2022-07-23 00:49:19,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:49:19,233 INFO L413 NwaCegarLoop]: 3332 mSDtfsCounter, 7975 mSDsluCounter, 4086 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 5107 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8280 SdHoareTripleChecker+Valid, 7418 SdHoareTripleChecker+Invalid, 10235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5107 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:49:19,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8280 Valid, 7418 Invalid, 10235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5107 Valid, 5127 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2022-07-23 00:49:19,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46877 states. [2022-07-23 00:49:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46877 to 42765. [2022-07-23 00:49:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42765 states, 31414 states have (on average 1.3302030941618386) internal successors, (41787), 31830 states have internal predecessors, (41787), 8723 states have call successors, (8723), 1929 states have call predecessors, (8723), 2627 states have return successors, (14108), 9193 states have call predecessors, (14108), 8721 states have call successors, (14108) [2022-07-23 00:49:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42765 states to 42765 states and 64618 transitions. [2022-07-23 00:49:21,725 INFO L78 Accepts]: Start accepts. Automaton has 42765 states and 64618 transitions. Word has length 414 [2022-07-23 00:49:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:49:21,726 INFO L495 AbstractCegarLoop]: Abstraction has 42765 states and 64618 transitions. [2022-07-23 00:49:21,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-23 00:49:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 42765 states and 64618 transitions. [2022-07-23 00:49:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-23 00:49:21,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:49:21,751 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:49:21,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:49:21,751 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:49:21,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:49:21,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1576517780, now seen corresponding path program 1 times [2022-07-23 00:49:21,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:49:21,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231666568] [2022-07-23 00:49:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:49:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:49:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:49:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:49:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:49:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:49:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:49:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:49:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:49:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:49:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:49:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:49:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:49:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:49:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:49:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:49:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:49:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:49:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:49:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:49:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:49:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:49:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:49:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:49:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:49:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 00:49:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 00:49:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:49:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 00:49:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 00:49:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 00:49:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:49:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 00:49:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 00:49:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 00:49:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 00:49:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 00:49:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 00:49:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 00:49:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:49:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:49:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-07-23 00:49:22,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:49:22,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231666568] [2022-07-23 00:49:22,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231666568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:49:22,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:49:22,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:49:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969773511] [2022-07-23 00:49:22,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:49:22,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:49:22,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:49:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:49:22,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:49:22,957 INFO L87 Difference]: Start difference. First operand 42765 states and 64618 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (46), 8 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-23 00:49:25,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:49:47,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:49:48,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:49:57,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:49:57,959 INFO L93 Difference]: Finished difference Result 136439 states and 209334 transitions. [2022-07-23 00:49:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:49:57,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (46), 8 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 432 [2022-07-23 00:49:57,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:49:58,720 INFO L225 Difference]: With dead ends: 136439 [2022-07-23 00:49:58,720 INFO L226 Difference]: Without dead ends: 93724 [2022-07-23 00:49:58,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:49:58,994 INFO L413 NwaCegarLoop]: 5691 mSDtfsCounter, 9904 mSDsluCounter, 8744 mSDsCounter, 0 mSdLazyCounter, 10817 mSolverCounterSat, 7848 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10447 SdHoareTripleChecker+Valid, 14435 SdHoareTripleChecker+Invalid, 18667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7848 IncrementalHoareTripleChecker+Valid, 10817 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:49:58,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10447 Valid, 14435 Invalid, 18667 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7848 Valid, 10817 Invalid, 2 Unknown, 0 Unchecked, 30.3s Time] [2022-07-23 00:49:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93724 states. [2022-07-23 00:50:02,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93724 to 85750. [2022-07-23 00:50:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85750 states, 63016 states have (on average 1.3302970674114512) internal successors, (83830), 63840 states have internal predecessors, (83830), 17425 states have call successors, (17425), 3807 states have call predecessors, (17425), 5308 states have return successors, (28649), 18462 states have call predecessors, (28649), 17423 states have call successors, (28649) [2022-07-23 00:50:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85750 states to 85750 states and 129904 transitions. [2022-07-23 00:50:04,050 INFO L78 Accepts]: Start accepts. Automaton has 85750 states and 129904 transitions. Word has length 432 [2022-07-23 00:50:04,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:50:04,051 INFO L495 AbstractCegarLoop]: Abstraction has 85750 states and 129904 transitions. [2022-07-23 00:50:04,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (46), 8 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-23 00:50:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 85750 states and 129904 transitions. [2022-07-23 00:50:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-07-23 00:50:04,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:50:04,088 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:50:04,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:50:04,088 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:50:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:50:04,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1453938026, now seen corresponding path program 1 times [2022-07-23 00:50:04,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:50:04,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837391164] [2022-07-23 00:50:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:50:04,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:50:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:50:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:50:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:50:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:50:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:50:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:50:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:50:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:50:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:50:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:50:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:50:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:50:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:50:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:50:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:50:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:50:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:50:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:50:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:50:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:50:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:50:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:50:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:50:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:50:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 00:50:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 00:50:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 00:50:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 00:50:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 00:50:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 00:50:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 00:50:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 00:50:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:50:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 00:50:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 00:50:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 00:50:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 00:50:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-23 00:50:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:50:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:50:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:50:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2022-07-23 00:50:05,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:50:05,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837391164] [2022-07-23 00:50:05,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837391164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:50:05,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:50:05,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:50:05,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964061686] [2022-07-23 00:50:05,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:50:05,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:50:05,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:50:05,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:50:05,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:50:05,260 INFO L87 Difference]: Start difference. First operand 85750 states and 129904 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-23 00:50:07,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:50:09,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []