./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.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 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:23:33,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:23:33,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:23:33,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:23:33,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:23:33,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:23:33,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:23:33,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:23:33,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:23:33,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:23:33,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:23:33,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:23:33,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:23:33,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:23:33,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:23:33,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:23:33,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:23:33,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:23:33,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:23:33,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:23:33,645 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:23:33,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:23:33,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:23:33,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:23:33,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:23:33,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:23:33,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:23:33,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:23:33,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:23:33,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:23:33,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:23:33,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:23:33,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:23:33,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:23:33,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:23:33,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:23:33,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:23:33,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:23:33,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:23:33,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:23:33,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:23:33,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:23:33,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:23:33,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:23:33,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:23:33,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:23:33,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:23:33,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:23:33,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:23:33,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:23:33,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:23:33,699 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:23:33,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:23:33,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:23:33,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:23:33,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:23:33,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:23:33,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:23:33,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:23:33,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:23:33,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:23:33,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:23:33,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:23:33,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:23:33,704 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:23:33,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:23:33,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:23:33,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-07-19 23:23:33,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:23:33,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:23:33,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:23:33,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:23:33,948 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:23:33,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-07-19 23:23:34,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de25799c/8f363bdea3df4b1fbdd9293d6dc35b78/FLAG6a9d7aae2 [2022-07-19 23:23:34,594 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:23:34,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-07-19 23:23:34,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de25799c/8f363bdea3df4b1fbdd9293d6dc35b78/FLAG6a9d7aae2 [2022-07-19 23:23:35,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de25799c/8f363bdea3df4b1fbdd9293d6dc35b78 [2022-07-19 23:23:35,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:23:35,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:23:35,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:23:35,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:23:35,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:23:35,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:23:35" (1/1) ... [2022-07-19 23:23:35,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dea8c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:35, skipping insertion in model container [2022-07-19 23:23:35,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:23:35" (1/1) ... [2022-07-19 23:23:35,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:23:35,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:23:36,077 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-07-19 23:23:36,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:23:36,918 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:23:37,010 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-07-19 23:23:37,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:23:37,403 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:23:37,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37 WrapperNode [2022-07-19 23:23:37,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:23:37,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:23:37,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:23:37,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:23:37,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,676 INFO L137 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6384 [2022-07-19 23:23:37,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:23:37,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:23:37,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:23:37,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:23:37,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:23:37,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:23:37,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:23:37,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:23:37,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (1/1) ... [2022-07-19 23:23:37,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:23:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:23:37,947 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) [2022-07-19 23:23:37,999 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 [2022-07-19 23:23:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-19 23:23:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-19 23:23:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-19 23:23:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-19 23:23:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-07-19 23:23:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-07-19 23:23:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-07-19 23:23:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-07-19 23:23:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-07-19 23:23:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-07-19 23:23:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:23:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:23:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-07-19 23:23:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-07-19 23:23:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-19 23:23:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-19 23:23:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-19 23:23:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-19 23:23:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 23:23:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 23:23:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-07-19 23:23:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-07-19 23:23:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:23:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:23:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-19 23:23:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-19 23:23:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-07-19 23:23:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-07-19 23:23:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-07-19 23:23:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-07-19 23:23:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-07-19 23:23:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-07-19 23:23:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-07-19 23:23:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-07-19 23:23:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-07-19 23:23:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-07-19 23:23:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:23:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:23:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-07-19 23:23:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-07-19 23:23:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:23:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:23:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:23:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:23:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-19 23:23:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-19 23:23:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:23:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:23:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-07-19 23:23:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-07-19 23:23:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-19 23:23:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-19 23:23:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-07-19 23:23:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-07-19 23:23:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-19 23:23:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-19 23:23:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-19 23:23:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-19 23:23:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-07-19 23:23:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-07-19 23:23:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:23:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:23:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-07-19 23:23:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-07-19 23:23:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-19 23:23:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-19 23:23:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-07-19 23:23:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-07-19 23:23:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-19 23:23:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-19 23:23:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-07-19 23:23:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-07-19 23:23:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-19 23:23:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-19 23:23:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-19 23:23:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-19 23:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-19 23:23:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-19 23:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-07-19 23:23:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-07-19 23:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-19 23:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-07-19 23:23:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-07-19 23:23:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-07-19 23:23:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-07-19 23:23:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-07-19 23:23:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-07-19 23:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-07-19 23:23:38,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-07-19 23:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-07-19 23:23:38,044 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-07-19 23:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-07-19 23:23:38,044 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-07-19 23:23:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-07-19 23:23:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-07-19 23:23:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:23:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:23:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-07-19 23:23:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-07-19 23:23:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:23:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-07-19 23:23:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-07-19 23:23:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-19 23:23:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-19 23:23:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:23:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-19 23:23:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-19 23:23:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-07-19 23:23:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-07-19 23:23:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-19 23:23:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-19 23:23:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-07-19 23:23:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-07-19 23:23:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:23:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:23:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-07-19 23:23:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-07-19 23:23:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 23:23:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 23:23:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-07-19 23:23:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-07-19 23:23:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:23:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:23:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-07-19 23:23:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-07-19 23:23:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:23:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:23:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-19 23:23:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-19 23:23:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-07-19 23:23:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-07-19 23:23:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-07-19 23:23:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-07-19 23:23:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-07-19 23:23:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-07-19 23:23:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:23:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-07-19 23:23:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-07-19 23:23:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-19 23:23:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-19 23:23:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-19 23:23:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-19 23:23:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-07-19 23:23:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-07-19 23:23:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-19 23:23:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-19 23:23:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-19 23:23:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-19 23:23:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-19 23:23:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-19 23:23:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-07-19 23:23:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-07-19 23:23:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:23:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:23:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:23:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-07-19 23:23:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-07-19 23:23:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:23:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:23:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-07-19 23:23:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-07-19 23:23:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:23:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-19 23:23:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-19 23:23:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-19 23:23:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-19 23:23:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-07-19 23:23:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-07-19 23:23:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-07-19 23:23:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-07-19 23:23:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-07-19 23:23:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-07-19 23:23:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:23:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-07-19 23:23:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-07-19 23:23:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-07-19 23:23:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-07-19 23:23:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-19 23:23:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-19 23:23:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:23:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:23:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:23:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:23:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-07-19 23:23:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-07-19 23:23:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 23:23:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 23:23:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-19 23:23:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-19 23:23:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-19 23:23:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-19 23:23:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-07-19 23:23:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-07-19 23:23:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:23:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:23:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-19 23:23:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-19 23:23:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-07-19 23:23:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-07-19 23:23:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-19 23:23:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-19 23:23:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-07-19 23:23:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-07-19 23:23:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-07-19 23:23:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-07-19 23:23:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-07-19 23:23:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-07-19 23:23:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-19 23:23:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-19 23:23:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-19 23:23:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-19 23:23:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:23:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-07-19 23:23:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-07-19 23:23:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-07-19 23:23:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-07-19 23:23:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-19 23:23:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-19 23:23:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:23:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:23:38,772 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:23:38,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:23:38,997 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:23:39,745 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-19 23:23:42,902 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:23:42,918 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:23:42,918 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:23:42,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:23:42 BoogieIcfgContainer [2022-07-19 23:23:42,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:23:42,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:23:42,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:23:42,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:23:42,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:23:35" (1/3) ... [2022-07-19 23:23:42,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c153e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:23:42, skipping insertion in model container [2022-07-19 23:23:42,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:37" (2/3) ... [2022-07-19 23:23:42,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c153e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:23:42, skipping insertion in model container [2022-07-19 23:23:42,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:23:42" (3/3) ... [2022-07-19 23:23:42,930 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-07-19 23:23:42,940 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:23:42,941 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:23:43,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:23:43,010 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@5921769c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@57f5713f [2022-07-19 23:23:43,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:23:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 2085 states, 1440 states have (on average 1.3743055555555554) internal successors, (1979), 1515 states have internal predecessors, (1979), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2022-07-19 23:23:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-19 23:23:43,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:23:43,036 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:23:43,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:23:43,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:23:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash -670781513, now seen corresponding path program 1 times [2022-07-19 23:23:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:23:43,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423445564] [2022-07-19 23:23:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:23:43,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:23:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:23:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:23:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:23:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:23:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:23:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:23:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:23:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:23:43,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:23:43,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423445564] [2022-07-19 23:23:43,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423445564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:23:43,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:23:43,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:23:43,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012796420] [2022-07-19 23:23:43,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:23:43,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:23:43,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:23:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:23:43,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:23:43,809 INFO L87 Difference]: Start difference. First operand has 2085 states, 1440 states have (on average 1.3743055555555554) internal successors, (1979), 1515 states have internal predecessors, (1979), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 23:24:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:24:00,478 INFO L93 Difference]: Finished difference Result 9256 states and 14100 transitions. [2022-07-19 23:24:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 23:24:00,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-07-19 23:24:00,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:24:00,537 INFO L225 Difference]: With dead ends: 9256 [2022-07-19 23:24:00,537 INFO L226 Difference]: Without dead ends: 7134 [2022-07-19 23:24:00,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-07-19 23:24:00,559 INFO L413 NwaCegarLoop]: 3502 mSDtfsCounter, 11279 mSDsluCounter, 10823 mSDsCounter, 0 mSdLazyCounter, 13621 mSolverCounterSat, 6123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11917 SdHoareTripleChecker+Valid, 14325 SdHoareTripleChecker+Invalid, 19744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6123 IncrementalHoareTripleChecker+Valid, 13621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:24:00,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11917 Valid, 14325 Invalid, 19744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6123 Valid, 13621 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2022-07-19 23:24:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7134 states. [2022-07-19 23:24:00,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7134 to 6003. [2022-07-19 23:24:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6003 states, 4161 states have (on average 1.3703436673876472) internal successors, (5702), 4340 states have internal predecessors, (5702), 1541 states have call successors, (1541), 301 states have call predecessors, (1541), 300 states have return successors, (1536), 1449 states have call predecessors, (1536), 1536 states have call successors, (1536) [2022-07-19 23:24:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8779 transitions. [2022-07-19 23:24:00,891 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8779 transitions. Word has length 66 [2022-07-19 23:24:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:24:00,891 INFO L495 AbstractCegarLoop]: Abstraction has 6003 states and 8779 transitions. [2022-07-19 23:24:00,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 23:24:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8779 transitions. [2022-07-19 23:24:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-19 23:24:00,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:24:00,896 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:24:00,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:24:00,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:24:00,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:24:00,897 INFO L85 PathProgramCache]: Analyzing trace with hash -174989572, now seen corresponding path program 1 times [2022-07-19 23:24:00,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:24:00,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428103479] [2022-07-19 23:24:00,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:24:00,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:24:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:24:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:24:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:24:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:24:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:24:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:24:01,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:24:01,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428103479] [2022-07-19 23:24:01,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428103479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:24:01,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:24:01,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:24:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888341162] [2022-07-19 23:24:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:24:01,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:24:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:24:01,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:24:01,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:24:01,319 INFO L87 Difference]: Start difference. First operand 6003 states and 8779 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:13,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:24:13,721 INFO L93 Difference]: Finished difference Result 22292 states and 34407 transitions. [2022-07-19 23:24:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:24:13,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2022-07-19 23:24:13,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:24:13,833 INFO L225 Difference]: With dead ends: 22292 [2022-07-19 23:24:13,833 INFO L226 Difference]: Without dead ends: 16315 [2022-07-19 23:24:13,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:24:13,880 INFO L413 NwaCegarLoop]: 3200 mSDtfsCounter, 7310 mSDsluCounter, 5641 mSDsCounter, 0 mSdLazyCounter, 6402 mSolverCounterSat, 4783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7708 SdHoareTripleChecker+Valid, 8841 SdHoareTripleChecker+Invalid, 11185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 6402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:24:13,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7708 Valid, 8841 Invalid, 11185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 6402 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-07-19 23:24:13,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2022-07-19 23:24:14,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 13400. [2022-07-19 23:24:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13400 states, 9271 states have (on average 1.358753101067846) internal successors, (12597), 9673 states have internal predecessors, (12597), 3367 states have call successors, (3367), 600 states have call predecessors, (3367), 761 states have return successors, (4245), 3329 states have call predecessors, (4245), 3362 states have call successors, (4245) [2022-07-19 23:24:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20209 transitions. [2022-07-19 23:24:14,548 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20209 transitions. Word has length 69 [2022-07-19 23:24:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:24:14,549 INFO L495 AbstractCegarLoop]: Abstraction has 13400 states and 20209 transitions. [2022-07-19 23:24:14,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20209 transitions. [2022-07-19 23:24:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-19 23:24:14,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:24:14,554 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:24:14,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:24:14,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:24:14,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:24:14,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1130675884, now seen corresponding path program 1 times [2022-07-19 23:24:14,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:24:14,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171515408] [2022-07-19 23:24:14,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:24:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:24:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:24:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:24:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:24:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:24:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:24:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:24:14,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:24:14,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171515408] [2022-07-19 23:24:14,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171515408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:24:14,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:24:14,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:24:14,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640182252] [2022-07-19 23:24:14,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:24:14,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:24:14,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:24:14,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:24:14,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:24:14,929 INFO L87 Difference]: Start difference. First operand 13400 states and 20209 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:20,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:24:27,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:24:27,334 INFO L93 Difference]: Finished difference Result 45943 states and 72646 transitions. [2022-07-19 23:24:27,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:24:27,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2022-07-19 23:24:27,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:24:27,688 INFO L225 Difference]: With dead ends: 45943 [2022-07-19 23:24:27,689 INFO L226 Difference]: Without dead ends: 32569 [2022-07-19 23:24:27,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:24:27,765 INFO L413 NwaCegarLoop]: 3277 mSDtfsCounter, 7236 mSDsluCounter, 5622 mSDsCounter, 0 mSdLazyCounter, 6463 mSolverCounterSat, 4686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7636 SdHoareTripleChecker+Valid, 8899 SdHoareTripleChecker+Invalid, 11149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4686 IncrementalHoareTripleChecker+Valid, 6463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:24:27,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7636 Valid, 8899 Invalid, 11149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4686 Valid, 6463 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-19 23:24:27,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32569 states. [2022-07-19 23:24:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32569 to 28183. [2022-07-19 23:24:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28183 states, 19480 states have (on average 1.3529774127310061) internal successors, (26356), 20328 states have internal predecessors, (26356), 7019 states have call successors, (7019), 1198 states have call predecessors, (7019), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2022-07-19 23:24:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43539 transitions. [2022-07-19 23:24:29,199 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43539 transitions. Word has length 70 [2022-07-19 23:24:29,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:24:29,199 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 43539 transitions. [2022-07-19 23:24:29,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43539 transitions. [2022-07-19 23:24:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-19 23:24:29,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:24:29,202 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:24:29,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:24:29,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:24:29,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:24:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash -692175617, now seen corresponding path program 1 times [2022-07-19 23:24:29,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:24:29,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351113003] [2022-07-19 23:24:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:24:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:24:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:24:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:24:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:24:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:24:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:24:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:24:29,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:24:29,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351113003] [2022-07-19 23:24:29,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351113003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:24:29,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:24:29,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:24:29,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440751007] [2022-07-19 23:24:29,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:24:29,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:24:29,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:24:29,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:24:29,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:24:29,546 INFO L87 Difference]: Start difference. First operand 28183 states and 43539 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:39,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:24:39,358 INFO L93 Difference]: Finished difference Result 32567 states and 50788 transitions. [2022-07-19 23:24:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:24:39,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-07-19 23:24:39,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:24:39,526 INFO L225 Difference]: With dead ends: 32567 [2022-07-19 23:24:39,527 INFO L226 Difference]: Without dead ends: 32564 [2022-07-19 23:24:39,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:24:39,545 INFO L413 NwaCegarLoop]: 3273 mSDtfsCounter, 8599 mSDsluCounter, 4817 mSDsCounter, 0 mSdLazyCounter, 5416 mSolverCounterSat, 6286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9003 SdHoareTripleChecker+Valid, 8090 SdHoareTripleChecker+Invalid, 11702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6286 IncrementalHoareTripleChecker+Valid, 5416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:24:39,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9003 Valid, 8090 Invalid, 11702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6286 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-19 23:24:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32564 states. [2022-07-19 23:24:40,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32564 to 28184. [2022-07-19 23:24:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28184 states, 19481 states have (on average 1.3529592936707562) internal successors, (26357), 20329 states have internal predecessors, (26357), 7019 states have call successors, (7019), 1198 states have call predecessors, (7019), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2022-07-19 23:24:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28184 states to 28184 states and 43540 transitions. [2022-07-19 23:24:40,756 INFO L78 Accepts]: Start accepts. Automaton has 28184 states and 43540 transitions. Word has length 71 [2022-07-19 23:24:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:24:40,758 INFO L495 AbstractCegarLoop]: Abstraction has 28184 states and 43540 transitions. [2022-07-19 23:24:40,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28184 states and 43540 transitions. [2022-07-19 23:24:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-19 23:24:40,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:24:40,760 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:24:40,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:24:40,761 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:24:40,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:24:40,761 INFO L85 PathProgramCache]: Analyzing trace with hash 16435639, now seen corresponding path program 1 times [2022-07-19 23:24:40,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:24:40,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283883416] [2022-07-19 23:24:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:24:40,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:24:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:24:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:24:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:24:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:24:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:24:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:24:41,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:24:41,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283883416] [2022-07-19 23:24:41,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283883416] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:24:41,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:24:41,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:24:41,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386478081] [2022-07-19 23:24:41,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:24:41,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:24:41,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:24:41,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:24:41,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:24:41,012 INFO L87 Difference]: Start difference. First operand 28184 states and 43540 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:24:47,228 INFO L93 Difference]: Finished difference Result 32563 states and 50784 transitions. [2022-07-19 23:24:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:24:47,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2022-07-19 23:24:47,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:24:47,376 INFO L225 Difference]: With dead ends: 32563 [2022-07-19 23:24:47,376 INFO L226 Difference]: Without dead ends: 32560 [2022-07-19 23:24:47,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:24:47,403 INFO L413 NwaCegarLoop]: 2713 mSDtfsCounter, 5701 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 3700 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5998 SdHoareTripleChecker+Valid, 5269 SdHoareTripleChecker+Invalid, 6145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3700 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:24:47,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5998 Valid, 5269 Invalid, 6145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3700 Valid, 2445 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-19 23:24:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32560 states. [2022-07-19 23:24:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32560 to 28183. [2022-07-19 23:24:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28183 states, 19481 states have (on average 1.3529079616036137) internal successors, (26356), 20328 states have internal predecessors, (26356), 7018 states have call successors, (7018), 1198 states have call predecessors, (7018), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2022-07-19 23:24:48,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43538 transitions. [2022-07-19 23:24:48,456 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43538 transitions. Word has length 72 [2022-07-19 23:24:48,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:24:48,457 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 43538 transitions. [2022-07-19 23:24:48,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43538 transitions. [2022-07-19 23:24:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-19 23:24:48,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:24:48,460 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:24:48,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:24:48,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:24:48,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:24:48,461 INFO L85 PathProgramCache]: Analyzing trace with hash 508552962, now seen corresponding path program 1 times [2022-07-19 23:24:48,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:24:48,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542771695] [2022-07-19 23:24:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:24:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:24:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:24:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:24:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:24:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:24:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:24:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 23:24:48,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:24:48,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542771695] [2022-07-19 23:24:48,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542771695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:24:48,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:24:48,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:24:48,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699336374] [2022-07-19 23:24:48,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:24:48,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:24:48,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:24:48,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:24:48,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:24:48,713 INFO L87 Difference]: Start difference. First operand 28183 states and 43538 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:54,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:24:54,491 INFO L93 Difference]: Finished difference Result 32562 states and 50782 transitions. [2022-07-19 23:24:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 23:24:54,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2022-07-19 23:24:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:24:54,908 INFO L225 Difference]: With dead ends: 32562 [2022-07-19 23:24:54,908 INFO L226 Difference]: Without dead ends: 32505 [2022-07-19 23:24:54,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:24:54,929 INFO L413 NwaCegarLoop]: 2765 mSDtfsCounter, 5622 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 3659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5915 SdHoareTripleChecker+Valid, 5319 SdHoareTripleChecker+Invalid, 6086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3659 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:24:54,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5915 Valid, 5319 Invalid, 6086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3659 Valid, 2427 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-19 23:24:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32505 states. [2022-07-19 23:24:55,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32505 to 28128. [2022-07-19 23:24:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28128 states, 19439 states have (on average 1.3530016976181902) internal successors, (26301), 20285 states have internal predecessors, (26301), 7007 states have call successors, (7007), 1196 states have call predecessors, (7007), 1681 states have return successors, (10154), 7079 states have call predecessors, (10154), 7004 states have call successors, (10154) [2022-07-19 23:24:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28128 states to 28128 states and 43462 transitions. [2022-07-19 23:24:56,023 INFO L78 Accepts]: Start accepts. Automaton has 28128 states and 43462 transitions. Word has length 73 [2022-07-19 23:24:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:24:56,024 INFO L495 AbstractCegarLoop]: Abstraction has 28128 states and 43462 transitions. [2022-07-19 23:24:56,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 23:24:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 28128 states and 43462 transitions. [2022-07-19 23:24:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-19 23:24:56,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:24:56,077 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-19 23:24:56,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:24:56,078 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:24:56,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:24:56,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1434636321, now seen corresponding path program 1 times [2022-07-19 23:24:56,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:24:56,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492081846] [2022-07-19 23:24:56,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:24:56,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:24:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:24:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:24:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:24:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:24:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 23:24:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:24:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:24:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:24:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:24:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:24:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:24:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:24:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:24:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-19 23:24:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:24:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:24:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:24:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:24:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 23:24:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-19 23:24:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 23:24:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-19 23:24:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-19 23:24:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-19 23:24:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:24:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-19 23:24:56,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:24:56,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492081846] [2022-07-19 23:24:56,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492081846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:24:56,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:24:56,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 23:24:56,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262022789] [2022-07-19 23:24:56,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:24:56,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 23:24:56,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:24:56,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 23:24:56,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:24:56,472 INFO L87 Difference]: Start difference. First operand 28128 states and 43462 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-19 23:25:08,448 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 [] [2022-07-19 23:25:20,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:25:20,973 INFO L93 Difference]: Finished difference Result 107323 states and 168875 transitions. [2022-07-19 23:25:20,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-19 23:25:20,974 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 202 [2022-07-19 23:25:20,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:25:21,481 INFO L225 Difference]: With dead ends: 107323 [2022-07-19 23:25:21,481 INFO L226 Difference]: Without dead ends: 79221 [2022-07-19 23:25:21,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2022-07-19 23:25:21,594 INFO L413 NwaCegarLoop]: 3034 mSDtfsCounter, 15872 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 13206 mSolverCounterSat, 15201 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16372 SdHoareTripleChecker+Valid, 11091 SdHoareTripleChecker+Invalid, 28408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15201 IncrementalHoareTripleChecker+Valid, 13206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:25:21,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16372 Valid, 11091 Invalid, 28408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15201 Valid, 13206 Invalid, 1 Unknown, 0 Unchecked, 20.8s Time] [2022-07-19 23:25:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79221 states. [2022-07-19 23:25:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79221 to 55835. [2022-07-19 23:25:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55835 states, 38043 states have (on average 1.3446889046605157) internal successors, (51156), 39808 states have internal predecessors, (51156), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-07-19 23:25:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55835 states to 55835 states and 84593 transitions. [2022-07-19 23:25:24,749 INFO L78 Accepts]: Start accepts. Automaton has 55835 states and 84593 transitions. Word has length 202 [2022-07-19 23:25:24,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:25:24,757 INFO L495 AbstractCegarLoop]: Abstraction has 55835 states and 84593 transitions. [2022-07-19 23:25:24,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-19 23:25:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 55835 states and 84593 transitions. [2022-07-19 23:25:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-19 23:25:24,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:25:24,835 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:25:24,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:25:24,835 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:25:24,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:25:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash 262525336, now seen corresponding path program 1 times [2022-07-19 23:25:24,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:25:24,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020768718] [2022-07-19 23:25:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:25:24,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:25:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:25:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:25:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:25:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:25:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:25:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:25:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:25:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 23:25:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 23:25:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:25:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:25:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:25:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:25:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:25:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:25:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-19 23:25:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:25:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-19 23:25:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:25:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:25:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:25:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:25:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 23:25:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-19 23:25:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 23:25:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-19 23:25:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-19 23:25:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-19 23:25:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-19 23:25:25,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:25:25,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020768718] [2022-07-19 23:25:25,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020768718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:25:25,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:25:25,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 23:25:25,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258353138] [2022-07-19 23:25:25,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:25:25,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 23:25:25,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:25:25,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 23:25:25,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:25:25,292 INFO L87 Difference]: Start difference. First operand 55835 states and 84593 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-19 23:25:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:25:44,431 INFO L93 Difference]: Finished difference Result 141099 states and 228798 transitions. [2022-07-19 23:25:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-19 23:25:44,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 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 232 [2022-07-19 23:25:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:25:44,953 INFO L225 Difference]: With dead ends: 141099 [2022-07-19 23:25:44,953 INFO L226 Difference]: Without dead ends: 85290 [2022-07-19 23:25:45,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2022-07-19 23:25:45,225 INFO L413 NwaCegarLoop]: 3223 mSDtfsCounter, 11637 mSDsluCounter, 11189 mSDsCounter, 0 mSdLazyCounter, 10627 mSolverCounterSat, 10486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12004 SdHoareTripleChecker+Valid, 14412 SdHoareTripleChecker+Invalid, 21113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10486 IncrementalHoareTripleChecker+Valid, 10627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:25:45,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12004 Valid, 14412 Invalid, 21113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10486 Valid, 10627 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2022-07-19 23:25:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85290 states. [2022-07-19 23:25:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85290 to 55867. [2022-07-19 23:25:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55867 states, 38075 states have (on average 1.3442416283650689) internal successors, (51182), 39840 states have internal predecessors, (51182), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-07-19 23:25:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55867 states to 55867 states and 84619 transitions. [2022-07-19 23:25:48,787 INFO L78 Accepts]: Start accepts. Automaton has 55867 states and 84619 transitions. Word has length 232 [2022-07-19 23:25:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:25:48,788 INFO L495 AbstractCegarLoop]: Abstraction has 55867 states and 84619 transitions. [2022-07-19 23:25:48,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-19 23:25:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 55867 states and 84619 transitions. [2022-07-19 23:25:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-19 23:25:48,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:25:48,865 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:25:48,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 23:25:48,866 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:25:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:25:48,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1097251239, now seen corresponding path program 1 times [2022-07-19 23:25:48,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:25:48,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864091309] [2022-07-19 23:25:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:25:48,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:25:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:25:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:25:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:25:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:25:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:25:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:25:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:25:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 23:25:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:25:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:25:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 23:25:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 23:25:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 23:25:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:25:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:25:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:25:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:25:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:25:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 23:25:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 23:25:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 23:25:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:25:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:25:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:25:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 23:25:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-19 23:25:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-19 23:25:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-19 23:25:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:25:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-07-19 23:25:49,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:25:49,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864091309] [2022-07-19 23:25:49,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864091309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:25:49,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:25:49,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 23:25:49,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142745980] [2022-07-19 23:25:49,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:25:49,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 23:25:49,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:25:49,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 23:25:49,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:25:49,400 INFO L87 Difference]: Start difference. First operand 55867 states and 84619 transitions. Second operand has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 5 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-19 23:26:01,804 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 [] [2022-07-19 23:26:03,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:26:07,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:26:22,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:26:22,476 INFO L93 Difference]: Finished difference Result 188551 states and 304335 transitions. [2022-07-19 23:26:22,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-19 23:26:22,477 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 5 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 238 [2022-07-19 23:26:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:26:23,508 INFO L225 Difference]: With dead ends: 188551 [2022-07-19 23:26:23,508 INFO L226 Difference]: Without dead ends: 132710 [2022-07-19 23:26:23,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=488, Invalid=1582, Unknown=0, NotChecked=0, Total=2070 [2022-07-19 23:26:23,803 INFO L413 NwaCegarLoop]: 5265 mSDtfsCounter, 11863 mSDsluCounter, 15652 mSDsCounter, 0 mSdLazyCounter, 18051 mSolverCounterSat, 13747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12422 SdHoareTripleChecker+Valid, 20917 SdHoareTripleChecker+Invalid, 31798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13747 IncrementalHoareTripleChecker+Valid, 18051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:26:23,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12422 Valid, 20917 Invalid, 31798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13747 Valid, 18051 Invalid, 0 Unknown, 0 Unchecked, 25.5s Time] [2022-07-19 23:26:23,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132710 states. [2022-07-19 23:26:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132710 to 93615. [2022-07-19 23:26:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93615 states, 63831 states have (on average 1.3432971440209303) internal successors, (85744), 66774 states have internal predecessors, (85744), 24507 states have call successors, (24507), 3837 states have call predecessors, (24507), 5276 states have return successors, (31494), 24756 states have call predecessors, (31494), 24504 states have call successors, (31494) [2022-07-19 23:26:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93615 states to 93615 states and 141745 transitions. [2022-07-19 23:26:30,291 INFO L78 Accepts]: Start accepts. Automaton has 93615 states and 141745 transitions. Word has length 238 [2022-07-19 23:26:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:26:30,292 INFO L495 AbstractCegarLoop]: Abstraction has 93615 states and 141745 transitions. [2022-07-19 23:26:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 5 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-19 23:26:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 93615 states and 141745 transitions. [2022-07-19 23:26:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-19 23:26:30,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:26:30,399 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:26:30,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 23:26:30,399 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:26:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:26:30,400 INFO L85 PathProgramCache]: Analyzing trace with hash -689960594, now seen corresponding path program 1 times [2022-07-19 23:26:30,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:26:30,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783897921] [2022-07-19 23:26:30,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:26:30,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:26:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:26:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:26:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:26:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:26:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:26:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:26:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:26:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 23:26:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:26:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 23:26:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 23:26:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:26:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:26:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:26:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:26:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:26:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-19 23:26:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:26:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:26:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:26:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:26:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:26:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:26:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:26:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:26:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 23:26:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 23:26:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 23:26:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:26:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:26:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-19 23:26:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-19 23:26:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-19 23:26:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-07-19 23:26:30,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:26:30,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783897921] [2022-07-19 23:26:30,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783897921] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:26:30,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115430252] [2022-07-19 23:26:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:26:30,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:26:30,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:26:30,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:26:30,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 23:26:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:26:32,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 6359 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:26:32,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:26:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-19 23:26:32,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:26:32,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115430252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:26:32,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:26:32,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 12 [2022-07-19 23:26:32,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540061800] [2022-07-19 23:26:32,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:26:32,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:26:32,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:26:32,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:26:32,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:26:32,045 INFO L87 Difference]: Start difference. First operand 93615 states and 141745 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-19 23:26:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:26:36,319 INFO L93 Difference]: Finished difference Result 170787 states and 258466 transitions. [2022-07-19 23:26:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:26:36,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 268 [2022-07-19 23:26:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:26:36,729 INFO L225 Difference]: With dead ends: 170787 [2022-07-19 23:26:36,730 INFO L226 Difference]: Without dead ends: 77196 [2022-07-19 23:26:37,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:26:37,204 INFO L413 NwaCegarLoop]: 3020 mSDtfsCounter, 11 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6025 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:26:37,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6025 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:26:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77196 states.