./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 f4b24e32 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-?-f4b24e3 [2022-07-14 00:01:29,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:01:29,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:01:29,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:01:29,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:01:29,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:01:29,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:01:29,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:01:29,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:01:29,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:01:29,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:01:29,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:01:29,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:01:29,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:01:29,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:01:29,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:01:29,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:01:29,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:01:29,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:01:29,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:01:29,727 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:01:29,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:01:29,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:01:29,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:01:29,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:01:29,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:01:29,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:01:29,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:01:29,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:01:29,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:01:29,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:01:29,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:01:29,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:01:29,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:01:29,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:01:29,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:01:29,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:01:29,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:01:29,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:01:29,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:01:29,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:01:29,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:01:29,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:01:29,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:01:29,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:01:29,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:01:29,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:01:29,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:01:29,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:01:29,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:01:29,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:01:29,813 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:01:29,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:01:29,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:01:29,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:01:29,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:01:29,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:01:29,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:01:29,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:01:29,815 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:01:29,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:01:29,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:01:29,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:01:29,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:01:29,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:01:29,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:01:29,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:01:29,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:01:29,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:01:29,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:01:29,817 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:01:29,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:01:29,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:01:29,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-07-14 00:01:30,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:01:30,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:01:30,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:01:30,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:01:30,351 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:01:30,353 INFO L432 ainManager$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 [2022-07-14 00:01:30,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc9744ee/a491be1c33104118bf5f0d03bed00459/FLAG5d93522dd [2022-07-14 00:01:31,740 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:01:31,741 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 [2022-07-14 00:01:31,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc9744ee/a491be1c33104118bf5f0d03bed00459/FLAG5d93522dd [2022-07-14 00:01:31,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc9744ee/a491be1c33104118bf5f0d03bed00459 [2022-07-14 00:01:31,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:01:31,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:01:31,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:01:31,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:01:31,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:01:31,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:01:31" (1/1) ... [2022-07-14 00:01:31,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c2159b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:31, skipping insertion in model container [2022-07-14 00:01:31,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:01:31" (1/1) ... [2022-07-14 00:01:31,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:01:32,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:01:34,471 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] [2022-07-14 00:01:36,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:01:36,622 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:01:36,810 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] [2022-07-14 00:01:37,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:01:37,575 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:01:37,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37 WrapperNode [2022-07-14 00:01:37,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:01:37,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:01:37,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:01:37,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:01:37,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:37,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,017 INFO L137 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6384 [2022-07-14 00:01:38,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:01:38,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:01:38,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:01:38,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:01:38,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:01:38,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:01:38,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:01:38,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:01:38,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (1/1) ... [2022-07-14 00:01:38,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:01:38,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:01:38,648 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) [2022-07-14 00:01:38,667 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 [2022-07-14 00:01:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-14 00:01:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-14 00:01:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 00:01:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 00:01:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-07-14 00:01:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-07-14 00:01:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-07-14 00:01:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-07-14 00:01:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-07-14 00:01:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-07-14 00:01:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:01:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:01:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-07-14 00:01:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-07-14 00:01:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-14 00:01:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-14 00:01:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-14 00:01:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-14 00:01:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 00:01:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 00:01:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-07-14 00:01:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-07-14 00:01:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:01:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:01:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-14 00:01:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-14 00:01:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-07-14 00:01:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-07-14 00:01:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-07-14 00:01:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-07-14 00:01:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-07-14 00:01:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-07-14 00:01:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-07-14 00:01:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-07-14 00:01:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-07-14 00:01:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-07-14 00:01:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:01:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:01:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-07-14 00:01:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-07-14 00:01:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:01:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:01:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:01:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:01:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-14 00:01:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-14 00:01:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:01:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:01:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-07-14 00:01:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-07-14 00:01:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-14 00:01:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-14 00:01:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-07-14 00:01:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-07-14 00:01:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-14 00:01:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-14 00:01:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-14 00:01:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-14 00:01:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-07-14 00:01:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-07-14 00:01:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:01:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:01:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-07-14 00:01:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-07-14 00:01:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-14 00:01:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-14 00:01:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-07-14 00:01:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-07-14 00:01:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-14 00:01:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-14 00:01:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-07-14 00:01:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-07-14 00:01:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-14 00:01:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-14 00:01:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-14 00:01:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-14 00:01:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:01:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-14 00:01:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-14 00:01:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-07-14 00:01:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-07-14 00:01:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 00:01:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:01:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-07-14 00:01:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-07-14 00:01:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-07-14 00:01:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-07-14 00:01:38,728 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-07-14 00:01:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-07-14 00:01:38,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-07-14 00:01:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-07-14 00:01:38,728 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-07-14 00:01:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-07-14 00:01:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-07-14 00:01:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-07-14 00:01:38,730 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-07-14 00:01:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-07-14 00:01:38,730 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:01:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:01:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-07-14 00:01:38,735 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-07-14 00:01:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:01:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-07-14 00:01:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-07-14 00:01:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-14 00:01:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-14 00:01:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:01:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-14 00:01:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-14 00:01:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-07-14 00:01:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-07-14 00:01:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 00:01:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 00:01:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-07-14 00:01:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-07-14 00:01:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:01:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:01:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-07-14 00:01:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-07-14 00:01:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:01:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:01:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-07-14 00:01:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-07-14 00:01:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:01:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:01:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-07-14 00:01:38,745 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-07-14 00:01:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:01:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:01:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-14 00:01:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-14 00:01:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-07-14 00:01:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-07-14 00:01:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-07-14 00:01:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-07-14 00:01:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-07-14 00:01:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-07-14 00:01:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:01:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-07-14 00:01:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-07-14 00:01:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 00:01:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 00:01:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 00:01:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 00:01:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-07-14 00:01:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-07-14 00:01:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 00:01:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 00:01:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-14 00:01:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-14 00:01:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-14 00:01:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-14 00:01:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-07-14 00:01:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-07-14 00:01:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:01:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:01:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:01:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-07-14 00:01:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-07-14 00:01:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:01:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:01:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-07-14 00:01:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-07-14 00:01:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:01:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 00:01:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 00:01:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-14 00:01:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-14 00:01:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-07-14 00:01:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-07-14 00:01:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-07-14 00:01:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-07-14 00:01:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-07-14 00:01:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-07-14 00:01:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:01:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-07-14 00:01:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-07-14 00:01:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-07-14 00:01:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-07-14 00:01:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 00:01:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 00:01:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:01:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:01:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:01:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:01:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-07-14 00:01:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-07-14 00:01:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 00:01:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 00:01:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 00:01:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 00:01:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 00:01:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 00:01:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-07-14 00:01:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-07-14 00:01:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:01:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 00:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 00:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-07-14 00:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-07-14 00:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 00:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 00:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-07-14 00:01:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-07-14 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-07-14 00:01:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-07-14 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-07-14 00:01:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-07-14 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-14 00:01:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-14 00:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-14 00:01:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-14 00:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-07-14 00:01:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-07-14 00:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-07-14 00:01:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-07-14 00:01:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 00:01:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 00:01:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:01:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:01:40,043 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:01:40,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:01:40,511 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:01:41,658 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-14 00:01:45,875 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:01:45,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:01:45,899 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:01:45,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:01:45 BoogieIcfgContainer [2022-07-14 00:01:45,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:01:45,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:01:45,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:01:45,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:01:45,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:01:31" (1/3) ... [2022-07-14 00:01:45,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c75903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:01:45, skipping insertion in model container [2022-07-14 00:01:45,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:01:37" (2/3) ... [2022-07-14 00:01:45,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c75903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:01:45, skipping insertion in model container [2022-07-14 00:01:45,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:01:45" (3/3) ... [2022-07-14 00:01:45,912 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-07-14 00:01:45,926 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:01:45,927 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:01:46,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:01:46,034 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@7170bf88, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@23f1cf63 [2022-07-14 00:01:46,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:01:46,047 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) [2022-07-14 00:01:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-14 00:01:46,081 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:01:46,082 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] [2022-07-14 00:01:46,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:01:46,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:01:46,089 INFO L85 PathProgramCache]: Analyzing trace with hash -670781513, now seen corresponding path program 1 times [2022-07-14 00:01:46,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:01:46,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818651816] [2022-07-14 00:01:46,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:01:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:01:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:46,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:01:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:01:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:01:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:01:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:01:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:01:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:01:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:01:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:01:47,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:01:47,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818651816] [2022-07-14 00:01:47,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818651816] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:01:47,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:01:47,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:01:47,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423582208] [2022-07-14 00:01:47,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:01:47,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:01:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:01:47,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:01:47,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:01:47,230 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) [2022-07-14 00:02:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:02:14,413 INFO L93 Difference]: Finished difference Result 9256 states and 14100 transitions. [2022-07-14 00:02:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 00:02:14,415 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 [2022-07-14 00:02:14,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:02:14,498 INFO L225 Difference]: With dead ends: 9256 [2022-07-14 00:02:14,498 INFO L226 Difference]: Without dead ends: 7134 [2022-07-14 00:02:14,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-07-14 00:02:14,533 INFO L413 NwaCegarLoop]: 3501 mSDtfsCounter, 11283 mSDsluCounter, 10815 mSDsCounter, 0 mSdLazyCounter, 13606 mSolverCounterSat, 6125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11918 SdHoareTripleChecker+Valid, 14316 SdHoareTripleChecker+Invalid, 19731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6125 IncrementalHoareTripleChecker+Valid, 13606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:02:14,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11918 Valid, 14316 Invalid, 19731 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6125 Valid, 13606 Invalid, 0 Unknown, 0 Unchecked, 25.6s Time] [2022-07-14 00:02:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7134 states. [2022-07-14 00:02:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7134 to 6003. [2022-07-14 00:02:15,165 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) [2022-07-14 00:02:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8779 transitions. [2022-07-14 00:02:15,291 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8779 transitions. Word has length 66 [2022-07-14 00:02:15,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:02:15,294 INFO L495 AbstractCegarLoop]: Abstraction has 6003 states and 8779 transitions. [2022-07-14 00:02:15,294 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) [2022-07-14 00:02:15,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8779 transitions. [2022-07-14 00:02:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-14 00:02:15,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:02:15,316 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] [2022-07-14 00:02:15,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:02:15,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:02:15,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:02:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash -174989572, now seen corresponding path program 1 times [2022-07-14 00:02:15,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:02:15,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898189792] [2022-07-14 00:02:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:02:15,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:02:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:02:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:02:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:02:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:02:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:02:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:02:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:02:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:02:16,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:02:16,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898189792] [2022-07-14 00:02:16,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898189792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:02:16,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:02:16,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:02:16,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398749849] [2022-07-14 00:02:16,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:02:16,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:02:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:02:16,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:02:16,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:02:16,187 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) [2022-07-14 00:02:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:02:34,192 INFO L93 Difference]: Finished difference Result 22292 states and 34407 transitions. [2022-07-14 00:02:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:02:34,192 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 [2022-07-14 00:02:34,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:02:34,511 INFO L225 Difference]: With dead ends: 22292 [2022-07-14 00:02:34,512 INFO L226 Difference]: Without dead ends: 16315 [2022-07-14 00:02:34,598 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 [2022-07-14 00:02:34,603 INFO L413 NwaCegarLoop]: 3194 mSDtfsCounter, 7309 mSDsluCounter, 5652 mSDsCounter, 0 mSdLazyCounter, 6392 mSolverCounterSat, 4780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7706 SdHoareTripleChecker+Valid, 8846 SdHoareTripleChecker+Invalid, 11172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4780 IncrementalHoareTripleChecker+Valid, 6392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:02:34,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7706 Valid, 8846 Invalid, 11172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4780 Valid, 6392 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-07-14 00:02:34,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2022-07-14 00:02:35,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 13400. [2022-07-14 00:02:35,786 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) [2022-07-14 00:02:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20209 transitions. [2022-07-14 00:02:35,869 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20209 transitions. Word has length 69 [2022-07-14 00:02:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:02:35,871 INFO L495 AbstractCegarLoop]: Abstraction has 13400 states and 20209 transitions. [2022-07-14 00:02:35,872 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) [2022-07-14 00:02:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20209 transitions. [2022-07-14 00:02:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-14 00:02:35,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:02:35,877 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] [2022-07-14 00:02:35,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:02:35,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:02:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:02:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1130675884, now seen corresponding path program 1 times [2022-07-14 00:02:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:02:35,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666918049] [2022-07-14 00:02:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:02:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:02:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:02:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:02:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:02:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:02:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:02:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:02:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:02:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:02:36,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:02:36,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666918049] [2022-07-14 00:02:36,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666918049] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:02:36,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:02:36,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:02:36,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818285458] [2022-07-14 00:02:36,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:02:36,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:02:36,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:02:36,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:02:36,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:02:36,827 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) [2022-07-14 00:02:45,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:02:47,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:02:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:02:56,897 INFO L93 Difference]: Finished difference Result 45943 states and 72646 transitions. [2022-07-14 00:02:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:02:56,898 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 [2022-07-14 00:02:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:02:57,161 INFO L225 Difference]: With dead ends: 45943 [2022-07-14 00:02:57,162 INFO L226 Difference]: Without dead ends: 32569 [2022-07-14 00:02:57,286 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 [2022-07-14 00:02:57,289 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 7230 mSDsluCounter, 5635 mSDsCounter, 0 mSdLazyCounter, 6442 mSolverCounterSat, 4699 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7632 SdHoareTripleChecker+Valid, 8892 SdHoareTripleChecker+Invalid, 11143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4699 IncrementalHoareTripleChecker+Valid, 6442 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:02:57,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7632 Valid, 8892 Invalid, 11143 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4699 Valid, 6442 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2022-07-14 00:02:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32569 states. [2022-07-14 00:02:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32569 to 28183. [2022-07-14 00:02:59,106 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) [2022-07-14 00:02:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43539 transitions. [2022-07-14 00:02:59,244 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43539 transitions. Word has length 70 [2022-07-14 00:02:59,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:02:59,245 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 43539 transitions. [2022-07-14 00:02:59,245 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) [2022-07-14 00:02:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43539 transitions. [2022-07-14 00:02:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-14 00:02:59,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:02:59,248 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] [2022-07-14 00:02:59,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:02:59,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:02:59,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:02:59,249 INFO L85 PathProgramCache]: Analyzing trace with hash -692175617, now seen corresponding path program 1 times [2022-07-14 00:02:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:02:59,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508476651] [2022-07-14 00:02:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:02:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:02:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:02:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:02:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:02:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:02:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:02:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:02:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:02:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:02:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:02:59,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:02:59,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508476651] [2022-07-14 00:02:59,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508476651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:02:59,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:02:59,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:02:59,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715175481] [2022-07-14 00:02:59,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:02:59,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:02:59,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:02:59,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:02:59,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:02:59,600 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) [2022-07-14 00:03:11,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:03:11,240 INFO L93 Difference]: Finished difference Result 32567 states and 50788 transitions. [2022-07-14 00:03:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:03:11,241 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 [2022-07-14 00:03:11,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:03:11,527 INFO L225 Difference]: With dead ends: 32567 [2022-07-14 00:03:11,527 INFO L226 Difference]: Without dead ends: 32564 [2022-07-14 00:03:11,601 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 [2022-07-14 00:03:11,617 INFO L413 NwaCegarLoop]: 3277 mSDtfsCounter, 8603 mSDsluCounter, 4799 mSDsCounter, 0 mSdLazyCounter, 5418 mSolverCounterSat, 6287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9004 SdHoareTripleChecker+Valid, 8076 SdHoareTripleChecker+Invalid, 11705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6287 IncrementalHoareTripleChecker+Valid, 5418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:03:11,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9004 Valid, 8076 Invalid, 11705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6287 Valid, 5418 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-14 00:03:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32564 states. [2022-07-14 00:03:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32564 to 28184. [2022-07-14 00:03:13,790 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) [2022-07-14 00:03:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28184 states to 28184 states and 43540 transitions. [2022-07-14 00:03:14,278 INFO L78 Accepts]: Start accepts. Automaton has 28184 states and 43540 transitions. Word has length 71 [2022-07-14 00:03:14,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:03:14,291 INFO L495 AbstractCegarLoop]: Abstraction has 28184 states and 43540 transitions. [2022-07-14 00:03:14,291 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) [2022-07-14 00:03:14,291 INFO L276 IsEmpty]: Start isEmpty. Operand 28184 states and 43540 transitions. [2022-07-14 00:03:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 00:03:14,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:03:14,300 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] [2022-07-14 00:03:14,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:03:14,300 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:03:14,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:03:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash 16435639, now seen corresponding path program 1 times [2022-07-14 00:03:14,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:03:14,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972429479] [2022-07-14 00:03:14,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:03:14,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:03:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:03:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:03:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:03:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:03:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:03:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:03:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:03:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:03:15,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:03:15,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972429479] [2022-07-14 00:03:15,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972429479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:03:15,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:03:15,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:03:15,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043453979] [2022-07-14 00:03:15,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:03:15,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:03:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:03:15,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:03:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:03:15,126 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) [2022-07-14 00:03:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:03:23,037 INFO L93 Difference]: Finished difference Result 32563 states and 50784 transitions. [2022-07-14 00:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:03:23,038 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 [2022-07-14 00:03:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:03:23,436 INFO L225 Difference]: With dead ends: 32563 [2022-07-14 00:03:23,436 INFO L226 Difference]: Without dead ends: 32560 [2022-07-14 00:03:23,465 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 [2022-07-14 00:03:23,466 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 5708 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 3709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6003 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 6144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3709 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:03:23,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6003 Valid, 5265 Invalid, 6144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3709 Valid, 2435 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-14 00:03:23,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32560 states. [2022-07-14 00:03:25,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32560 to 28183. [2022-07-14 00:03:25,855 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) [2022-07-14 00:03:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43538 transitions. [2022-07-14 00:03:26,019 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43538 transitions. Word has length 72 [2022-07-14 00:03:26,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:03:26,021 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 43538 transitions. [2022-07-14 00:03:26,021 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) [2022-07-14 00:03:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43538 transitions. [2022-07-14 00:03:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-14 00:03:26,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:03:26,025 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] [2022-07-14 00:03:26,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 00:03:26,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:03:26,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:03:26,026 INFO L85 PathProgramCache]: Analyzing trace with hash 508552962, now seen corresponding path program 1 times [2022-07-14 00:03:26,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:03:26,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178142877] [2022-07-14 00:03:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:03:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:03:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:03:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:03:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:03:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:03:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:03:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:03:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:03:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:03:26,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:03:26,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178142877] [2022-07-14 00:03:26,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178142877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:03:26,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:03:26,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:03:26,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285327168] [2022-07-14 00:03:26,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:03:26,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:03:26,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:03:26,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:03:26,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:03:26,546 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) [2022-07-14 00:03:32,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:03:34,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:03:34,582 INFO L93 Difference]: Finished difference Result 32562 states and 50782 transitions. [2022-07-14 00:03:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:03:34,583 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 [2022-07-14 00:03:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:03:34,765 INFO L225 Difference]: With dead ends: 32562 [2022-07-14 00:03:34,765 INFO L226 Difference]: Without dead ends: 32505 [2022-07-14 00:03:34,790 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 [2022-07-14 00:03:34,792 INFO L413 NwaCegarLoop]: 2764 mSDtfsCounter, 5616 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 3646 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5912 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3646 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:03:34,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5912 Valid, 5325 Invalid, 6075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3646 Valid, 2428 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-07-14 00:03:34,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32505 states. [2022-07-14 00:03:36,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32505 to 28128. [2022-07-14 00:03:36,241 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) [2022-07-14 00:03:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28128 states to 28128 states and 43462 transitions. [2022-07-14 00:03:36,415 INFO L78 Accepts]: Start accepts. Automaton has 28128 states and 43462 transitions. Word has length 73 [2022-07-14 00:03:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:03:36,416 INFO L495 AbstractCegarLoop]: Abstraction has 28128 states and 43462 transitions. [2022-07-14 00:03:36,416 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) [2022-07-14 00:03:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 28128 states and 43462 transitions. [2022-07-14 00:03:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-14 00:03:36,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:03:36,504 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:03:36,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 00:03:36,504 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:03:36,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:03:36,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1434636321, now seen corresponding path program 1 times [2022-07-14 00:03:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:03:36,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451986286] [2022-07-14 00:03:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:03:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:03:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:03:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:03:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:03:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:03:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:03:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:03:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 00:03:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:03:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:03:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 00:03:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:03:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:03:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:03:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 00:03:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:03:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 00:03:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:03:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:03:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:03:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 00:03:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 00:03:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 00:03:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 00:03:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 00:03:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 00:03:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 00:03:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:03:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-14 00:03:37,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:03:37,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451986286] [2022-07-14 00:03:37,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451986286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:03:37,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:03:37,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-14 00:03:37,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046177219] [2022-07-14 00:03:37,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:03:37,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:03:37,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:03:37,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:03:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:03:37,752 INFO L87 Difference]: Start difference. First operand 28128 states and 43462 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 00:04:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:04:05,847 INFO L93 Difference]: Finished difference Result 107323 states and 168875 transitions. [2022-07-14 00:04:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-14 00:04:05,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 202 [2022-07-14 00:04:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:04:06,410 INFO L225 Difference]: With dead ends: 107323 [2022-07-14 00:04:06,410 INFO L226 Difference]: Without dead ends: 79221 [2022-07-14 00:04:06,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2022-07-14 00:04:06,581 INFO L413 NwaCegarLoop]: 3034 mSDtfsCounter, 15823 mSDsluCounter, 8094 mSDsCounter, 0 mSdLazyCounter, 13258 mSolverCounterSat, 15159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16324 SdHoareTripleChecker+Valid, 11128 SdHoareTripleChecker+Invalid, 28417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15159 IncrementalHoareTripleChecker+Valid, 13258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:04:06,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16324 Valid, 11128 Invalid, 28417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15159 Valid, 13258 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2022-07-14 00:04:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79221 states. [2022-07-14 00:04:10,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79221 to 55835. [2022-07-14 00:04:10,530 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) [2022-07-14 00:04:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55835 states to 55835 states and 84593 transitions. [2022-07-14 00:04:11,037 INFO L78 Accepts]: Start accepts. Automaton has 55835 states and 84593 transitions. Word has length 202 [2022-07-14 00:04:11,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:04:11,037 INFO L495 AbstractCegarLoop]: Abstraction has 55835 states and 84593 transitions. [2022-07-14 00:04:11,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 00:04:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 55835 states and 84593 transitions. [2022-07-14 00:04:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-14 00:04:11,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:04:11,140 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] [2022-07-14 00:04:11,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 00:04:11,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:04:11,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:04:11,141 INFO L85 PathProgramCache]: Analyzing trace with hash 262525336, now seen corresponding path program 1 times [2022-07-14 00:04:11,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:04:11,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55393290] [2022-07-14 00:04:11,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:04:11,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:04:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:04:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:04:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:04:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:04:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:04:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:04:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:04:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 00:04:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:04:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 00:04:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:04:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 00:04:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:04:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:04:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:04:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 00:04:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:04:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 00:04:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:04:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:04:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:04:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 00:04:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 00:04:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 00:04:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 00:04:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 00:04:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 00:04:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 00:04:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-14 00:04:11,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:04:11,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55393290] [2022-07-14 00:04:11,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55393290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:04:11,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:04:11,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 00:04:11,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504338345] [2022-07-14 00:04:11,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:04:11,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 00:04:11,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:04:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 00:04:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:04:11,790 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) [2022-07-14 00:04:25,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:04:26,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:04:37,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:04:37,158 INFO L93 Difference]: Finished difference Result 141099 states and 228798 transitions. [2022-07-14 00:04:37,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-14 00:04:37,159 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 [2022-07-14 00:04:37,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:04:38,049 INFO L225 Difference]: With dead ends: 141099 [2022-07-14 00:04:38,049 INFO L226 Difference]: Without dead ends: 85290 [2022-07-14 00:04:38,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2022-07-14 00:04:38,336 INFO L413 NwaCegarLoop]: 3230 mSDtfsCounter, 11598 mSDsluCounter, 11243 mSDsCounter, 0 mSdLazyCounter, 10618 mSolverCounterSat, 10444 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11963 SdHoareTripleChecker+Valid, 14473 SdHoareTripleChecker+Invalid, 21063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10444 IncrementalHoareTripleChecker+Valid, 10618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:04:38,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11963 Valid, 14473 Invalid, 21063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10444 Valid, 10618 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2022-07-14 00:04:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85290 states. [2022-07-14 00:04:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85290 to 55867. [2022-07-14 00:04:41,687 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) [2022-07-14 00:04:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55867 states to 55867 states and 84619 transitions. [2022-07-14 00:04:42,125 INFO L78 Accepts]: Start accepts. Automaton has 55867 states and 84619 transitions. Word has length 232 [2022-07-14 00:04:42,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:04:42,126 INFO L495 AbstractCegarLoop]: Abstraction has 55867 states and 84619 transitions. [2022-07-14 00:04:42,126 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) [2022-07-14 00:04:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 55867 states and 84619 transitions. [2022-07-14 00:04:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-14 00:04:42,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:04:42,189 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] [2022-07-14 00:04:42,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 00:04:42,190 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:04:42,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:04:42,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1097251239, now seen corresponding path program 1 times [2022-07-14 00:04:42,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:04:42,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289112388] [2022-07-14 00:04:42,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:04:42,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:04:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:04:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:04:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:04:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:04:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:04:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:04:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:04:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 00:04:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:04:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 00:04:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:04:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 00:04:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 00:04:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:04:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:04:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-14 00:04:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:04:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 00:04:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:04:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-14 00:04:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 00:04:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 00:04:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 00:04:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-14 00:04:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:04:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 00:04:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 00:04:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 00:04:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:04:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-07-14 00:04:42,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:04:42,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289112388] [2022-07-14 00:04:42,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289112388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:04:42,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:04:42,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 00:04:42,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991672061] [2022-07-14 00:04:42,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:04:42,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 00:04:42,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:04:42,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 00:04:42,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:04:42,859 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) [2022-07-14 00:05:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:05:18,134 INFO L93 Difference]: Finished difference Result 188551 states and 304335 transitions. [2022-07-14 00:05:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-14 00:05:18,135 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 [2022-07-14 00:05:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:05:19,253 INFO L225 Difference]: With dead ends: 188551 [2022-07-14 00:05:19,253 INFO L226 Difference]: Without dead ends: 132710 [2022-07-14 00:05:19,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=488, Invalid=1582, Unknown=0, NotChecked=0, Total=2070 [2022-07-14 00:05:19,512 INFO L413 NwaCegarLoop]: 5261 mSDtfsCounter, 11861 mSDsluCounter, 15622 mSDsCounter, 0 mSdLazyCounter, 18087 mSolverCounterSat, 13763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12417 SdHoareTripleChecker+Valid, 20883 SdHoareTripleChecker+Invalid, 31850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13763 IncrementalHoareTripleChecker+Valid, 18087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:05:19,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12417 Valid, 20883 Invalid, 31850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13763 Valid, 18087 Invalid, 0 Unknown, 0 Unchecked, 26.7s Time] [2022-07-14 00:05:19,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132710 states. [2022-07-14 00:05:25,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132710 to 93615. [2022-07-14 00:05:25,291 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) [2022-07-14 00:05:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93615 states to 93615 states and 141745 transitions. [2022-07-14 00:05:25,886 INFO L78 Accepts]: Start accepts. Automaton has 93615 states and 141745 transitions. Word has length 238 [2022-07-14 00:05:25,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:05:25,887 INFO L495 AbstractCegarLoop]: Abstraction has 93615 states and 141745 transitions. [2022-07-14 00:05:25,887 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) [2022-07-14 00:05:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 93615 states and 141745 transitions. [2022-07-14 00:05:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-14 00:05:26,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:05:26,030 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] [2022-07-14 00:05:26,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 00:05:26,031 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:05:26,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:05:26,031 INFO L85 PathProgramCache]: Analyzing trace with hash -689960594, now seen corresponding path program 1 times [2022-07-14 00:05:26,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:05:26,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098404569] [2022-07-14 00:05:26,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:05:26,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:05:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:05:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:05:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:05:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:05:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:05:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:05:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:05:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 00:05:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 00:05:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 00:05:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-14 00:05:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:05:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:05:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:05:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:05:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:05:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 00:05:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:05:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:05:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 00:05:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:05:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 00:05:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 00:05:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:05:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:05:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 00:05:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 00:05:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:05:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 00:05:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-14 00:05:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 00:05:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 00:05:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:05:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-07-14 00:05:26,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:05:26,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098404569] [2022-07-14 00:05:26,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098404569] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:05:26,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162142068] [2022-07-14 00:05:26,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:05:26,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:05:26,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:05:26,839 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) [2022-07-14 00:05:26,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:05:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:05:28,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 6359 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:05:28,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:05:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-14 00:05:28,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:05:28,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162142068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:05:28,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:05:28,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 12 [2022-07-14 00:05:28,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363592218] [2022-07-14 00:05:28,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:05:28,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:05:28,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:05:28,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:05:28,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:05:28,154 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) [2022-07-14 00:05:32,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:05:32,946 INFO L93 Difference]: Finished difference Result 170787 states and 258466 transitions. [2022-07-14 00:05:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:05:32,947 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 [2022-07-14 00:05:32,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:05:33,408 INFO L225 Difference]: With dead ends: 170787 [2022-07-14 00:05:33,408 INFO L226 Difference]: Without dead ends: 77196