./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 6c24879c 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-?-6c24879 [2022-07-12 12:21:37,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:21:37,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:21:37,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:21:37,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:21:37,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:21:37,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:21:37,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:21:37,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:21:37,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:21:37,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:21:37,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:21:37,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:21:37,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:21:37,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:21:37,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:21:37,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:21:37,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:21:37,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:21:37,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:21:37,746 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:21:37,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:21:37,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:21:37,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:21:37,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:21:37,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:21:37,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:21:37,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:21:37,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:21:37,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:21:37,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:21:37,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:21:37,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:21:37,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:21:37,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:21:37,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:21:37,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:21:37,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:21:37,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:21:37,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:21:37,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:21:37,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:21:37,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:21:37,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:21:37,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:21:37,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:21:37,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:21:37,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:21:37,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:21:37,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:21:37,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:21:37,792 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:21:37,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:21:37,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:21:37,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:21:37,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:21:37,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:21:37,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:21:37,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:21:37,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:21:37,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:21:37,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:21:37,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:21:37,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:21:37,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:21:37,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:21:37,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:21:37,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:21:37,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:21:37,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:21:37,796 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:21:37,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:21:37,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:21:37,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-07-12 12:21:37,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:21:37,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:21:37,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:21:37,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:21:37,990 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:21:37,991 INFO L432 ainManager$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 [2022-07-12 12:21:38,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e5c12aa/e75b89d764e34ddd8c216992c640ee43/FLAG2fc5cbaad [2022-07-12 12:21:38,745 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:21:38,745 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 [2022-07-12 12:21:38,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e5c12aa/e75b89d764e34ddd8c216992c640ee43/FLAG2fc5cbaad [2022-07-12 12:21:39,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e5c12aa/e75b89d764e34ddd8c216992c640ee43 [2022-07-12 12:21:39,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:21:39,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:21:39,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:21:39,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:21:39,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:21:39,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:21:39" (1/1) ... [2022-07-12 12:21:39,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e39a09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:39, skipping insertion in model container [2022-07-12 12:21:39,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:21:39" (1/1) ... [2022-07-12 12:21:39,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:21:39,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:21:40,060 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] [2022-07-12 12:21:41,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:21:41,593 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:21:41,701 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] [2022-07-12 12:21:41,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:21:42,027 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:21:42,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42 WrapperNode [2022-07-12 12:21:42,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:21:42,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:21:42,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:21:42,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:21:42,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,294 INFO L137 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6384 [2022-07-12 12:21:42,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:21:42,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:21:42,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:21:42,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:21:42,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:21:42,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:21:42,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:21:42,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:21:42,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (1/1) ... [2022-07-12 12:21:42,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:21:42,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:21:42,531 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) [2022-07-12 12:21:42,555 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 [2022-07-12 12:21:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-12 12:21:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-12 12:21:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 12:21:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 12:21:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-07-12 12:21:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-07-12 12:21:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-07-12 12:21:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-07-12 12:21:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-07-12 12:21:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-07-12 12:21:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:21:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:21:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-07-12 12:21:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-07-12 12:21:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-12 12:21:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-12 12:21:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-12 12:21:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-12 12:21:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 12:21:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 12:21:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-07-12 12:21:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-07-12 12:21:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:21:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:21:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-12 12:21:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-12 12:21:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-07-12 12:21:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-07-12 12:21:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-07-12 12:21:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-07-12 12:21:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-07-12 12:21:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-07-12 12:21:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-07-12 12:21:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-07-12 12:21:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-07-12 12:21:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-07-12 12:21:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:21:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:21:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-07-12 12:21:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-07-12 12:21:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:21:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:21:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:21:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:21:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-12 12:21:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-12 12:21:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:21:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:21:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-07-12 12:21:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-07-12 12:21:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-12 12:21:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-12 12:21:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-07-12 12:21:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-07-12 12:21:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-12 12:21:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-12 12:21:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 12:21:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 12:21:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-07-12 12:21:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-07-12 12:21:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:21:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:21:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-07-12 12:21:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-07-12 12:21:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-12 12:21:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-12 12:21:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-07-12 12:21:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-07-12 12:21:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-12 12:21:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-12 12:21:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-07-12 12:21:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-07-12 12:21:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-12 12:21:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-12 12:21:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-12 12:21:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-12 12:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-12 12:21:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-12 12:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-07-12 12:21:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-07-12 12:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 12:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-07-12 12:21:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-07-12 12:21:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-07-12 12:21:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-07-12 12:21:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-07-12 12:21:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-07-12 12:21:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-07-12 12:21:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-07-12 12:21:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-07-12 12:21:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-07-12 12:21:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-07-12 12:21:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-07-12 12:21:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-07-12 12:21:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-07-12 12:21:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:21:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:21:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-07-12 12:21:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-07-12 12:21:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:21:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-07-12 12:21:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-07-12 12:21:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-12 12:21:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-12 12:21:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:21:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-12 12:21:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-12 12:21:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-07-12 12:21:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-07-12 12:21:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 12:21:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 12:21:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-07-12 12:21:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-07-12 12:21:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:21:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:21:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-07-12 12:21:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-07-12 12:21:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:21:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:21:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-07-12 12:21:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-07-12 12:21:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:21:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:21:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-07-12 12:21:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-07-12 12:21:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:21:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:21:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-12 12:21:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-12 12:21:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-07-12 12:21:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-07-12 12:21:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-07-12 12:21:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-07-12 12:21:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-07-12 12:21:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-07-12 12:21:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:21:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-07-12 12:21:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-07-12 12:21:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 12:21:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 12:21:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 12:21:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 12:21:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-07-12 12:21:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-07-12 12:21:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 12:21:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 12:21:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-12 12:21:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-12 12:21:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-12 12:21:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-12 12:21:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-07-12 12:21:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-07-12 12:21:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:21:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:21:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:21:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-07-12 12:21:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-07-12 12:21:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:21:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:21:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-07-12 12:21:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-07-12 12:21:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:21:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:21:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-07-12 12:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-07-12 12:21:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-12 12:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-12 12:21:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-12 12:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-12 12:21:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:21:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-07-12 12:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-07-12 12:21:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-07-12 12:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-07-12 12:21:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 12:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 12:21:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:21:43,216 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:21:43,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:21:43,449 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:21:44,230 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-12 12:21:47,217 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:21:47,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:21:47,256 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:21:47,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:21:47 BoogieIcfgContainer [2022-07-12 12:21:47,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:21:47,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:21:47,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:21:47,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:21:47,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:21:39" (1/3) ... [2022-07-12 12:21:47,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23296f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:21:47, skipping insertion in model container [2022-07-12 12:21:47,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:21:42" (2/3) ... [2022-07-12 12:21:47,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23296f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:21:47, skipping insertion in model container [2022-07-12 12:21:47,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:21:47" (3/3) ... [2022-07-12 12:21:47,264 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-07-12 12:21:47,273 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:21:47,273 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:21:47,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:21:47,333 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@11a16090, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61da37e5 [2022-07-12 12:21:47,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:21:47,342 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) [2022-07-12 12:21:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-12 12:21:47,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:21:47,365 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] [2022-07-12 12:21:47,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:21:47,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:21:47,371 INFO L85 PathProgramCache]: Analyzing trace with hash -670781513, now seen corresponding path program 1 times [2022-07-12 12:21:47,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:21:47,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787249443] [2022-07-12 12:21:47,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:21:47,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:21:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:21:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:21:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:21:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:21:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:21:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:21:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:21:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:21:47,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:21:47,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787249443] [2022-07-12 12:21:47,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787249443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:21:47,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:21:47,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:21:47,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877606493] [2022-07-12 12:21:47,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:21:47,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:21:47,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:21:47,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:21:47,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:21:47,996 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) [2022-07-12 12:22:03,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:22:03,908 INFO L93 Difference]: Finished difference Result 9256 states and 14100 transitions. [2022-07-12 12:22:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 12:22:03,911 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 [2022-07-12 12:22:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:22:03,987 INFO L225 Difference]: With dead ends: 9256 [2022-07-12 12:22:03,987 INFO L226 Difference]: Without dead ends: 7134 [2022-07-12 12:22:04,011 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 [2022-07-12 12:22:04,016 INFO L413 NwaCegarLoop]: 3494 mSDtfsCounter, 11294 mSDsluCounter, 10814 mSDsCounter, 0 mSdLazyCounter, 13611 mSolverCounterSat, 6131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11937 SdHoareTripleChecker+Valid, 14308 SdHoareTripleChecker+Invalid, 19742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6131 IncrementalHoareTripleChecker+Valid, 13611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:22:04,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11937 Valid, 14308 Invalid, 19742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6131 Valid, 13611 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-07-12 12:22:04,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7134 states. [2022-07-12 12:22:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7134 to 6003. [2022-07-12 12:22:04,377 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) [2022-07-12 12:22:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8779 transitions. [2022-07-12 12:22:04,420 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8779 transitions. Word has length 66 [2022-07-12 12:22:04,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:22:04,421 INFO L495 AbstractCegarLoop]: Abstraction has 6003 states and 8779 transitions. [2022-07-12 12:22:04,422 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) [2022-07-12 12:22:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8779 transitions. [2022-07-12 12:22:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-12 12:22:04,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:22:04,428 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] [2022-07-12 12:22:04,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:22:04,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:22:04,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:22:04,430 INFO L85 PathProgramCache]: Analyzing trace with hash -174989572, now seen corresponding path program 1 times [2022-07-12 12:22:04,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:22:04,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967951664] [2022-07-12 12:22:04,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:22:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:22:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:22:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:22:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:22:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:22:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:22:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:22:04,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:22:04,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967951664] [2022-07-12 12:22:04,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967951664] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:22:04,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:22:04,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:22:04,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693071176] [2022-07-12 12:22:04,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:22:04,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:22:04,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:22:04,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:22:04,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:22:04,908 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) [2022-07-12 12:22:16,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:22:16,880 INFO L93 Difference]: Finished difference Result 22292 states and 34407 transitions. [2022-07-12 12:22:16,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:22:16,881 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 [2022-07-12 12:22:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:22:17,061 INFO L225 Difference]: With dead ends: 22292 [2022-07-12 12:22:17,061 INFO L226 Difference]: Without dead ends: 16315 [2022-07-12 12:22:17,093 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 [2022-07-12 12:22:17,097 INFO L413 NwaCegarLoop]: 3212 mSDtfsCounter, 7321 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 6423 mSolverCounterSat, 4792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7715 SdHoareTripleChecker+Valid, 8871 SdHoareTripleChecker+Invalid, 11215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4792 IncrementalHoareTripleChecker+Valid, 6423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:22:17,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7715 Valid, 8871 Invalid, 11215 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4792 Valid, 6423 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-12 12:22:17,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2022-07-12 12:22:17,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 13400. [2022-07-12 12:22:17,618 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) [2022-07-12 12:22:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20209 transitions. [2022-07-12 12:22:17,675 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20209 transitions. Word has length 69 [2022-07-12 12:22:17,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:22:17,676 INFO L495 AbstractCegarLoop]: Abstraction has 13400 states and 20209 transitions. [2022-07-12 12:22:17,676 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) [2022-07-12 12:22:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20209 transitions. [2022-07-12 12:22:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-12 12:22:17,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:22:17,680 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] [2022-07-12 12:22:17,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:22:17,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:22:17,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:22:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1130675884, now seen corresponding path program 1 times [2022-07-12 12:22:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:22:17,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119530647] [2022-07-12 12:22:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:22:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:22:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:22:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:22:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:22:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:22:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:22:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:22:18,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:22:18,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119530647] [2022-07-12 12:22:18,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119530647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:22:18,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:22:18,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:22:18,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582920445] [2022-07-12 12:22:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:22:18,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:22:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:22:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:22:18,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:22:18,187 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) [2022-07-12 12:22:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:22:30,880 INFO L93 Difference]: Finished difference Result 45943 states and 72646 transitions. [2022-07-12 12:22:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:22:30,881 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 [2022-07-12 12:22:30,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:22:31,082 INFO L225 Difference]: With dead ends: 45943 [2022-07-12 12:22:31,082 INFO L226 Difference]: Without dead ends: 32569 [2022-07-12 12:22:31,174 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 [2022-07-12 12:22:31,176 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 7227 mSDsluCounter, 5634 mSDsCounter, 0 mSdLazyCounter, 6501 mSolverCounterSat, 4668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7630 SdHoareTripleChecker+Valid, 8910 SdHoareTripleChecker+Invalid, 11169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4668 IncrementalHoareTripleChecker+Valid, 6501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:22:31,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7630 Valid, 8910 Invalid, 11169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4668 Valid, 6501 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-07-12 12:22:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32569 states. [2022-07-12 12:22:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32569 to 28183. [2022-07-12 12:22:32,756 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) [2022-07-12 12:22:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43539 transitions. [2022-07-12 12:22:32,880 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43539 transitions. Word has length 70 [2022-07-12 12:22:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:22:32,881 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 43539 transitions. [2022-07-12 12:22:32,881 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) [2022-07-12 12:22:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43539 transitions. [2022-07-12 12:22:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-12 12:22:32,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:22:32,883 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] [2022-07-12 12:22:32,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:22:32,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:22:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:22:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash -692175617, now seen corresponding path program 1 times [2022-07-12 12:22:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:22:32,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820322712] [2022-07-12 12:22:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:22:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:22:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:22:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:22:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:22:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:22:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:22:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:22:33,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:22:33,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820322712] [2022-07-12 12:22:33,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820322712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:22:33,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:22:33,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:22:33,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145001195] [2022-07-12 12:22:33,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:22:33,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:22:33,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:22:33,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:22:33,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:22:33,423 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) [2022-07-12 12:22:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:22:43,081 INFO L93 Difference]: Finished difference Result 32567 states and 50788 transitions. [2022-07-12 12:22:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:22:43,082 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 [2022-07-12 12:22:43,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:22:43,295 INFO L225 Difference]: With dead ends: 32567 [2022-07-12 12:22:43,295 INFO L226 Difference]: Without dead ends: 32564 [2022-07-12 12:22:43,317 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 [2022-07-12 12:22:43,319 INFO L413 NwaCegarLoop]: 3269 mSDtfsCounter, 8605 mSDsluCounter, 4804 mSDsCounter, 0 mSdLazyCounter, 5408 mSolverCounterSat, 6309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9008 SdHoareTripleChecker+Valid, 8073 SdHoareTripleChecker+Invalid, 11717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6309 IncrementalHoareTripleChecker+Valid, 5408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:22:43,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9008 Valid, 8073 Invalid, 11717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6309 Valid, 5408 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-12 12:22:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32564 states. [2022-07-12 12:22:44,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32564 to 28184. [2022-07-12 12:22:44,343 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) [2022-07-12 12:22:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28184 states to 28184 states and 43540 transitions. [2022-07-12 12:22:44,473 INFO L78 Accepts]: Start accepts. Automaton has 28184 states and 43540 transitions. Word has length 71 [2022-07-12 12:22:44,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:22:44,474 INFO L495 AbstractCegarLoop]: Abstraction has 28184 states and 43540 transitions. [2022-07-12 12:22:44,474 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) [2022-07-12 12:22:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 28184 states and 43540 transitions. [2022-07-12 12:22:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-12 12:22:44,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:22:44,477 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] [2022-07-12 12:22:44,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:22:44,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:22:44,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:22:44,477 INFO L85 PathProgramCache]: Analyzing trace with hash 16435639, now seen corresponding path program 1 times [2022-07-12 12:22:44,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:22:44,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93318203] [2022-07-12 12:22:44,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:22:44,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:22:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:22:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:22:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:22:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:22:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:22:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:22:44,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:22:44,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93318203] [2022-07-12 12:22:44,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93318203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:22:44,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:22:44,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:22:44,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178252448] [2022-07-12 12:22:44,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:22:44,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:22:44,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:22:44,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:22:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:22:44,973 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) [2022-07-12 12:22:50,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:22:50,281 INFO L93 Difference]: Finished difference Result 32563 states and 50784 transitions. [2022-07-12 12:22:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 12:22:50,282 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 [2022-07-12 12:22:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:22:50,471 INFO L225 Difference]: With dead ends: 32563 [2022-07-12 12:22:50,471 INFO L226 Difference]: Without dead ends: 32560 [2022-07-12 12:22:50,484 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 [2022-07-12 12:22:50,485 INFO L413 NwaCegarLoop]: 2720 mSDtfsCounter, 5688 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 3695 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5982 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 6141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3695 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:22:50,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5982 Valid, 5286 Invalid, 6141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3695 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-12 12:22:50,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32560 states. [2022-07-12 12:22:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32560 to 28183. [2022-07-12 12:22:51,446 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) [2022-07-12 12:22:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43538 transitions. [2022-07-12 12:22:51,563 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43538 transitions. Word has length 72 [2022-07-12 12:22:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:22:51,564 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 43538 transitions. [2022-07-12 12:22:51,564 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) [2022-07-12 12:22:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43538 transitions. [2022-07-12 12:22:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 12:22:51,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:22:51,568 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] [2022-07-12 12:22:51,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:22:51,569 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:22:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:22:51,569 INFO L85 PathProgramCache]: Analyzing trace with hash 508552962, now seen corresponding path program 1 times [2022-07-12 12:22:51,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:22:51,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021971786] [2022-07-12 12:22:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:22:51,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:22:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:22:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:22:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:22:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:22:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:22:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 12:22:51,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:22:51,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021971786] [2022-07-12 12:22:51,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021971786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:22:51,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:22:51,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:22:51,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750241598] [2022-07-12 12:22:51,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:22:51,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:22:51,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:22:51,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:22:51,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:22:51,808 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) [2022-07-12 12:22:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:22:57,593 INFO L93 Difference]: Finished difference Result 32562 states and 50782 transitions. [2022-07-12 12:22:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 12:22:57,594 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 [2022-07-12 12:22:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:22:57,817 INFO L225 Difference]: With dead ends: 32562 [2022-07-12 12:22:57,817 INFO L226 Difference]: Without dead ends: 32505 [2022-07-12 12:22:57,854 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 [2022-07-12 12:22:57,855 INFO L413 NwaCegarLoop]: 2762 mSDtfsCounter, 5635 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 2418 mSolverCounterSat, 3664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5932 SdHoareTripleChecker+Valid, 5305 SdHoareTripleChecker+Invalid, 6082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3664 IncrementalHoareTripleChecker+Valid, 2418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:22:57,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5932 Valid, 5305 Invalid, 6082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3664 Valid, 2418 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-12 12:22:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32505 states. [2022-07-12 12:22:58,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32505 to 28128. [2022-07-12 12:22:58,955 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) [2022-07-12 12:22:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28128 states to 28128 states and 43462 transitions. [2022-07-12 12:22:59,081 INFO L78 Accepts]: Start accepts. Automaton has 28128 states and 43462 transitions. Word has length 73 [2022-07-12 12:22:59,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:22:59,082 INFO L495 AbstractCegarLoop]: Abstraction has 28128 states and 43462 transitions. [2022-07-12 12:22:59,082 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) [2022-07-12 12:22:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 28128 states and 43462 transitions. [2022-07-12 12:22:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-12 12:22:59,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:22:59,141 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:22:59,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:22:59,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:22:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:22:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1032271128, now seen corresponding path program 1 times [2022-07-12 12:22:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:22:59,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123663566] [2022-07-12 12:22:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:22:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:22:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:22:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:22:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:22:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:22:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 12:22:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:22:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:22:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 12:22:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:22:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:22:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:22:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 12:22:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:22:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 12:22:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:22:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:22:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:22:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:22:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 12:22:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 12:22:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 12:22:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 12:22:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 12:22:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 12:22:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:22:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-12 12:22:59,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:22:59,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123663566] [2022-07-12 12:22:59,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123663566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:22:59,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:22:59,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 12:22:59,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419712706] [2022-07-12 12:22:59,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:22:59,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 12:22:59,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:22:59,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 12:22:59,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:22:59,854 INFO L87 Difference]: Start difference. First operand 28128 states and 43462 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 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) [2022-07-12 12:23:20,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:23:20,555 INFO L93 Difference]: Finished difference Result 107323 states and 168875 transitions. [2022-07-12 12:23:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-12 12:23:20,556 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 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 203 [2022-07-12 12:23:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:23:21,062 INFO L225 Difference]: With dead ends: 107323 [2022-07-12 12:23:21,062 INFO L226 Difference]: Without dead ends: 79221 [2022-07-12 12:23:21,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2022-07-12 12:23:21,186 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 20802 mSDsluCounter, 6280 mSDsCounter, 0 mSdLazyCounter, 9904 mSolverCounterSat, 20358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21297 SdHoareTripleChecker+Valid, 9277 SdHoareTripleChecker+Invalid, 30262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20358 IncrementalHoareTripleChecker+Valid, 9904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:23:21,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21297 Valid, 9277 Invalid, 30262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20358 Valid, 9904 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2022-07-12 12:23:21,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79221 states. [2022-07-12 12:23:23,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79221 to 55835. [2022-07-12 12:23:23,928 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) [2022-07-12 12:23:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55835 states to 55835 states and 84593 transitions. [2022-07-12 12:23:24,204 INFO L78 Accepts]: Start accepts. Automaton has 55835 states and 84593 transitions. Word has length 203 [2022-07-12 12:23:24,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:23:24,205 INFO L495 AbstractCegarLoop]: Abstraction has 55835 states and 84593 transitions. [2022-07-12 12:23:24,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 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) [2022-07-12 12:23:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 55835 states and 84593 transitions. [2022-07-12 12:23:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-12 12:23:24,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:23:24,278 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] [2022-07-12 12:23:24,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:23:24,278 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:23:24,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:23:24,279 INFO L85 PathProgramCache]: Analyzing trace with hash 262525336, now seen corresponding path program 1 times [2022-07-12 12:23:24,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:23:24,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285326873] [2022-07-12 12:23:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:23:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:23:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:23:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:23:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:23:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:23:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:23:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:23:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:23:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 12:23:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 12:23:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:23:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:23:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 12:23:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:23:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:23:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:23:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 12:23:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:23:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 12:23:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:23:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:23:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:23:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:23:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 12:23:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 12:23:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 12:23:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 12:23:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 12:23:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 12:23:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-12 12:23:24,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:23:24,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285326873] [2022-07-12 12:23:24,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285326873] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:23:24,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:23:24,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 12:23:24,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896891845] [2022-07-12 12:23:24,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:23:24,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 12:23:24,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:23:24,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 12:23:24,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:23:24,677 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) [2022-07-12 12:23:42,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:23:42,555 INFO L93 Difference]: Finished difference Result 141099 states and 228798 transitions. [2022-07-12 12:23:42,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-12 12:23:42,555 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 [2022-07-12 12:23:42,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:23:43,109 INFO L225 Difference]: With dead ends: 141099 [2022-07-12 12:23:43,109 INFO L226 Difference]: Without dead ends: 85290 [2022-07-12 12:23:43,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2022-07-12 12:23:43,461 INFO L413 NwaCegarLoop]: 3230 mSDtfsCounter, 11610 mSDsluCounter, 11214 mSDsCounter, 0 mSdLazyCounter, 10648 mSolverCounterSat, 10435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11979 SdHoareTripleChecker+Valid, 14444 SdHoareTripleChecker+Invalid, 21083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10435 IncrementalHoareTripleChecker+Valid, 10648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:23:43,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11979 Valid, 14444 Invalid, 21083 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10435 Valid, 10648 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-07-12 12:23:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85290 states. [2022-07-12 12:23:46,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85290 to 55867. [2022-07-12 12:23:46,366 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) [2022-07-12 12:23:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55867 states to 55867 states and 84619 transitions. [2022-07-12 12:23:46,813 INFO L78 Accepts]: Start accepts. Automaton has 55867 states and 84619 transitions. Word has length 232 [2022-07-12 12:23:46,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:23:46,813 INFO L495 AbstractCegarLoop]: Abstraction has 55867 states and 84619 transitions. [2022-07-12 12:23:46,813 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) [2022-07-12 12:23:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55867 states and 84619 transitions. [2022-07-12 12:23:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 12:23:46,867 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:23:46,868 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] [2022-07-12 12:23:46,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 12:23:46,868 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:23:46,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:23:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1097251239, now seen corresponding path program 1 times [2022-07-12 12:23:46,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:23:46,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838428980] [2022-07-12 12:23:46,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:23:46,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:23:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:23:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:23:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:23:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:23:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:23:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:23:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:23:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 12:23:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:23:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:23:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 12:23:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 12:23:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 12:23:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:23:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:23:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 12:23:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:23:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 12:23:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:23:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 12:23:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 12:23:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:23:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 12:23:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:23:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 12:23:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 12:23:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 12:23:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 12:23:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:23:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-07-12 12:23:47,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:23:47,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838428980] [2022-07-12 12:23:47,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838428980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:23:47,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:23:47,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 12:23:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585465221] [2022-07-12 12:23:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:23:47,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 12:23:47,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:23:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 12:23:47,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:23:47,284 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) [2022-07-12 12:24:06,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:24:20,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:24:20,841 INFO L93 Difference]: Finished difference Result 188551 states and 304335 transitions. [2022-07-12 12:24:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-12 12:24:20,842 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 [2022-07-12 12:24:20,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:24:21,582 INFO L225 Difference]: With dead ends: 188551 [2022-07-12 12:24:21,582 INFO L226 Difference]: Without dead ends: 132710 [2022-07-12 12:24:21,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=488, Invalid=1582, Unknown=0, NotChecked=0, Total=2070 [2022-07-12 12:24:21,967 INFO L413 NwaCegarLoop]: 5270 mSDtfsCounter, 11881 mSDsluCounter, 15619 mSDsCounter, 0 mSdLazyCounter, 18137 mSolverCounterSat, 13747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12437 SdHoareTripleChecker+Valid, 20889 SdHoareTripleChecker+Invalid, 31884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13747 IncrementalHoareTripleChecker+Valid, 18137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:24:21,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12437 Valid, 20889 Invalid, 31884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13747 Valid, 18137 Invalid, 0 Unknown, 0 Unchecked, 25.8s Time] [2022-07-12 12:24:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132710 states. [2022-07-12 12:24:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132710 to 93615. [2022-07-12 12:24:27,536 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) [2022-07-12 12:24:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93615 states to 93615 states and 141745 transitions. [2022-07-12 12:24:28,192 INFO L78 Accepts]: Start accepts. Automaton has 93615 states and 141745 transitions. Word has length 238 [2022-07-12 12:24:28,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:24:28,193 INFO L495 AbstractCegarLoop]: Abstraction has 93615 states and 141745 transitions. [2022-07-12 12:24:28,193 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) [2022-07-12 12:24:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 93615 states and 141745 transitions. [2022-07-12 12:24:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-12 12:24:28,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:24:28,542 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] [2022-07-12 12:24:28,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 12:24:28,542 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:24:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:24:28,542 INFO L85 PathProgramCache]: Analyzing trace with hash -689960594, now seen corresponding path program 1 times [2022-07-12 12:24:28,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:24:28,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137072070] [2022-07-12 12:24:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:24:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:24:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:24:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:24:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:24:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:24:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:24:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:24:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:24:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 12:24:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 12:24:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 12:24:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 12:24:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:24:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 12:24:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:24:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:24:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:24:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 12:24:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:24:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:24:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:24:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:24:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:24:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:24:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:24:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:24:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:24:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 12:24:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 12:24:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:24:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 12:24:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 12:24:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 12:24:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 12:24:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-07-12 12:24:28,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:24:28,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137072070] [2022-07-12 12:24:28,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137072070] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 12:24:28,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123847705] [2022-07-12 12:24:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:24:28,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:24:28,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:24:28,928 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) [2022-07-12 12:24:28,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 12:24:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:30,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 6359 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:24:30,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:24:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-12 12:24:30,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:24:30,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123847705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:24:30,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 12:24:30,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 12 [2022-07-12 12:24:30,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403868415] [2022-07-12 12:24:30,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:24:30,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:24:30,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:24:30,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:24:30,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:24:30,173 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) [2022-07-12 12:24:34,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:24:34,448 INFO L93 Difference]: Finished difference Result 170787 states and 258466 transitions. [2022-07-12 12:24:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:24:34,449 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 [2022-07-12 12:24:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:24:34,896 INFO L225 Difference]: With dead ends: 170787 [2022-07-12 12:24:34,897 INFO L226 Difference]: Without dead ends: 77196 [2022-07-12 12:24:35,339 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 [2022-07-12 12:24:35,339 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 [2022-07-12 12:24:35,339 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] [2022-07-12 12:24:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77196 states. [2022-07-12 12:24:39,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77196 to 76828. [2022-07-12 12:24:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76828 states, 52403 states have (on average 1.3435871992061523) internal successors, (70408), 54814 states have internal predecessors, (70408), 20093 states have call successors, (20093), 3180 states have call predecessors, (20093), 4331 states have return successors, (25682), 20264 states have call predecessors, (25682), 20090 states have call successors, (25682) [2022-07-12 12:24:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76828 states to 76828 states and 116183 transitions. [2022-07-12 12:24:39,650 INFO L78 Accepts]: Start accepts. Automaton has 76828 states and 116183 transitions. Word has length 268 [2022-07-12 12:24:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:24:39,651 INFO L495 AbstractCegarLoop]: Abstraction has 76828 states and 116183 transitions. [2022-07-12 12:24:39,651 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-12 12:24:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 76828 states and 116183 transitions. [2022-07-12 12:24:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-12 12:24:39,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:24:39,758 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:24:39,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 12:24:39,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 12:24:39,971 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:24:39,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:24:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1854401289, now seen corresponding path program 1 times [2022-07-12 12:24:39,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:24:39,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727650519] [2022-07-12 12:24:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:24:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:24:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:24:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:24:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:24:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:24:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:24:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:24:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:24:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 12:24:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:24:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 12:24:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 12:24:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 12:24:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 12:24:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 12:24:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 12:24:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:24:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:24:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 12:24:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:24:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:24:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:24:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:24:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:24:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:24:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:24:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:24:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:24:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 12:24:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 12:24:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:24:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 12:24:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 12:24:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 12:24:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 12:24:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:24:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-07-12 12:24:40,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:24:40,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727650519] [2022-07-12 12:24:40,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727650519] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 12:24:40,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110915169] [2022-07-12 12:24:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:24:40,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:24:40,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:24:40,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 12:24:40,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process