./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.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 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:10:13,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:10:13,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:10:13,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:10:13,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:10:13,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:10:13,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:10:13,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:10:13,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:10:13,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:10:13,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:10:13,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:10:13,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:10:13,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:10:13,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:10:13,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:10:13,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:10:13,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:10:13,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:10:13,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:10:13,505 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:10:13,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:10:13,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:10:13,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:10:13,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:10:13,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:10:13,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:10:13,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:10:13,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:10:13,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:10:13,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:10:13,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:10:13,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:10:13,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:10:13,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:10:13,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:10:13,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:10:13,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:10:13,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:10:13,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:10:13,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:10:13,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:10:13,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:10:13,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:10:13,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:10:13,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:10:13,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:10:13,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:10:13,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:10:13,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:10:13,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:10:13,556 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:10:13,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:10:13,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:10:13,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:10:13,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:10:13,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:10:13,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:10:13,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:10:13,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:10:13,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:10:13,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:10:13,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:10:13,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:10:13,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:10:13,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:10:13,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:10:13,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:10:13,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:10:13,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:10:13,560 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:10:13,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:10:13,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:10:13,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2022-07-21 13:10:13,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:10:13,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:10:13,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:10:13,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:10:13,875 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:10:13,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-07-21 13:10:13,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993dc3baa/8a1944b9a4494cadbc1e0f8c5fb221ca/FLAG978b249ef [2022-07-21 13:10:14,541 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:10:14,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-07-21 13:10:14,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993dc3baa/8a1944b9a4494cadbc1e0f8c5fb221ca/FLAG978b249ef [2022-07-21 13:10:14,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993dc3baa/8a1944b9a4494cadbc1e0f8c5fb221ca [2022-07-21 13:10:14,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:10:14,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:10:14,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:10:14,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:10:14,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:10:14,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:10:14" (1/1) ... [2022-07-21 13:10:14,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e3ea3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:14, skipping insertion in model container [2022-07-21 13:10:14,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:10:14" (1/1) ... [2022-07-21 13:10:14,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:10:14,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:10:16,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2022-07-21 13:10:16,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:10:16,515 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:10:16,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2022-07-21 13:10:16,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:10:16,988 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:10:16,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16 WrapperNode [2022-07-21 13:10:16,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:10:16,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:10:16,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:10:16,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:10:17,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,389 INFO L137 Inliner]: procedures = 259, calls = 4373, calls flagged for inlining = 103, calls inlined = 98, statements flattened = 8903 [2022-07-21 13:10:17,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:10:17,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:10:17,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:10:17,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:10:17,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:10:17,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:10:17,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:10:17,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:10:17,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (1/1) ... [2022-07-21 13:10:17,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:10:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:10:17,804 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) [2022-07-21 13:10:17,854 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 [2022-07-21 13:10:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2022-07-21 13:10:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2022-07-21 13:10:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:10:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:10:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2022-07-21 13:10:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2022-07-21 13:10:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2022-07-21 13:10:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2022-07-21 13:10:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:10:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:10:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:10:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:10:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-21 13:10:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-21 13:10:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2022-07-21 13:10:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2022-07-21 13:10:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 13:10:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 13:10:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:10:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:10:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-21 13:10:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-21 13:10:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-07-21 13:10:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-07-21 13:10:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2022-07-21 13:10:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2022-07-21 13:10:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2022-07-21 13:10:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2022-07-21 13:10:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2022-07-21 13:10:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2022-07-21 13:10:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2022-07-21 13:10:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2022-07-21 13:10:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 13:10:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 13:10:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 13:10:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 13:10:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2022-07-21 13:10:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2022-07-21 13:10:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-07-21 13:10:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-07-21 13:10:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2022-07-21 13:10:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2022-07-21 13:10:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:10:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:10:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:10:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:10:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2022-07-21 13:10:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2022-07-21 13:10:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 13:10:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 13:10:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-07-21 13:10:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-07-21 13:10:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2022-07-21 13:10:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2022-07-21 13:10:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-21 13:10:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-21 13:10:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2022-07-21 13:10:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2022-07-21 13:10:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:10:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2022-07-21 13:10:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2022-07-21 13:10:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:10:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:10:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:10:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-21 13:10:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-21 13:10:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 13:10:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 13:10:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2022-07-21 13:10:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2022-07-21 13:10:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2022-07-21 13:10:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2022-07-21 13:10:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:10:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:10:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-21 13:10:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-21 13:10:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2022-07-21 13:10:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2022-07-21 13:10:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2022-07-21 13:10:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2022-07-21 13:10:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:10:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2022-07-21 13:10:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2022-07-21 13:10:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:10:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2022-07-21 13:10:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2022-07-21 13:10:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-07-21 13:10:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-07-21 13:10:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-21 13:10:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-21 13:10:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 13:10:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 13:10:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-21 13:10:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-21 13:10:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 13:10:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 13:10:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2022-07-21 13:10:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2022-07-21 13:10:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 13:10:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 13:10:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2022-07-21 13:10:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2022-07-21 13:10:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2022-07-21 13:10:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2022-07-21 13:10:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2022-07-21 13:10:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2022-07-21 13:10:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2022-07-21 13:10:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2022-07-21 13:10:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 13:10:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 13:10:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2022-07-21 13:10:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2022-07-21 13:10:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-21 13:10:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-21 13:10:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2022-07-21 13:10:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2022-07-21 13:10:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 13:10:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 13:10:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:10:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2022-07-21 13:10:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2022-07-21 13:10:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 13:10:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 13:10:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2022-07-21 13:10:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2022-07-21 13:10:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2022-07-21 13:10:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2022-07-21 13:10:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2022-07-21 13:10:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2022-07-21 13:10:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2022-07-21 13:10:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2022-07-21 13:10:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2022-07-21 13:10:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2022-07-21 13:10:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2022-07-21 13:10:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2022-07-21 13:10:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2022-07-21 13:10:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2022-07-21 13:10:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2022-07-21 13:10:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2022-07-21 13:10:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:10:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:10:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2022-07-21 13:10:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2022-07-21 13:10:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2022-07-21 13:10:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2022-07-21 13:10:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-21 13:10:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-21 13:10:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:10:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:10:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2022-07-21 13:10:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2022-07-21 13:10:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-21 13:10:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-21 13:10:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2022-07-21 13:10:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2022-07-21 13:10:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:10:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2022-07-21 13:10:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2022-07-21 13:10:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 13:10:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 13:10:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:10:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:10:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-07-21 13:10:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-07-21 13:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 13:10:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 13:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2022-07-21 13:10:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2022-07-21 13:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2022-07-21 13:10:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2022-07-21 13:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-21 13:10:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-21 13:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-07-21 13:10:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-07-21 13:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 13:10:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 13:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 13:10:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 13:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2022-07-21 13:10:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2022-07-21 13:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-21 13:10:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-21 13:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:10:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2022-07-21 13:10:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2022-07-21 13:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2022-07-21 13:10:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2022-07-21 13:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2022-07-21 13:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2022-07-21 13:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2022-07-21 13:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2022-07-21 13:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 13:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 13:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2022-07-21 13:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2022-07-21 13:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2022-07-21 13:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2022-07-21 13:10:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-21 13:10:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-21 13:10:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 13:10:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 13:10:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2022-07-21 13:10:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2022-07-21 13:10:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-07-21 13:10:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-07-21 13:10:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 13:10:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 13:10:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2022-07-21 13:10:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2022-07-21 13:10:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-07-21 13:10:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-07-21 13:10:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2022-07-21 13:10:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2022-07-21 13:10:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2022-07-21 13:10:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2022-07-21 13:10:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-07-21 13:10:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-07-21 13:10:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2022-07-21 13:10:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2022-07-21 13:10:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:10:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:10:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 13:10:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 13:10:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-07-21 13:10:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-07-21 13:10:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 13:10:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 13:10:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2022-07-21 13:10:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2022-07-21 13:10:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2022-07-21 13:10:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2022-07-21 13:10:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:10:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:10:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2022-07-21 13:10:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2022-07-21 13:10:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:10:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:10:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:10:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-21 13:10:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-21 13:10:18,737 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:10:18,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:10:19,128 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:10:24,250 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:10:24,271 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:10:24,271 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 13:10:24,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:10:24 BoogieIcfgContainer [2022-07-21 13:10:24,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:10:24,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:10:24,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:10:24,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:10:24,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:10:14" (1/3) ... [2022-07-21 13:10:24,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7fc1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:10:24, skipping insertion in model container [2022-07-21 13:10:24,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:16" (2/3) ... [2022-07-21 13:10:24,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7fc1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:10:24, skipping insertion in model container [2022-07-21 13:10:24,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:10:24" (3/3) ... [2022-07-21 13:10:24,287 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-07-21 13:10:24,297 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:10:24,297 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:10:24,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:10:24,396 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@192fc7b5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@65748098 [2022-07-21 13:10:24,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:10:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 3123 states, 2251 states have (on average 1.430475344291426) internal successors, (3220), 2321 states have internal predecessors, (3220), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) [2022-07-21 13:10:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-21 13:10:24,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:10:24,421 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:10:24,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:10:24,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:10:24,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1753590355, now seen corresponding path program 1 times [2022-07-21 13:10:24,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:10:24,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671015987] [2022-07-21 13:10:24,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:10:24,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:10:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:10:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:10:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:10:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:10:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:10:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:10:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:10:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:10:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:10:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:10:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:10:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:10:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:10:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:10:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:10:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:10:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:10:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:10:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:10:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:10:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:10:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:10:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:10:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:10:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:10:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-07-21 13:10:25,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:10:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671015987] [2022-07-21 13:10:25,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671015987] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:10:25,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:10:25,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:10:25,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76145192] [2022-07-21 13:10:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:10:25,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:10:25,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:10:25,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:10:25,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:10:25,510 INFO L87 Difference]: Start difference. First operand has 3123 states, 2251 states have (on average 1.430475344291426) internal successors, (3220), 2321 states have internal predecessors, (3220), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:10:32,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:10:32,309 INFO L93 Difference]: Finished difference Result 6644 states and 10292 transitions. [2022-07-21 13:10:32,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 13:10:32,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 341 [2022-07-21 13:10:32,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:10:32,353 INFO L225 Difference]: With dead ends: 6644 [2022-07-21 13:10:32,353 INFO L226 Difference]: Without dead ends: 3508 [2022-07-21 13:10:32,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:10:32,378 INFO L413 NwaCegarLoop]: 4461 mSDtfsCounter, 1504 mSDsluCounter, 4443 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 1851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 8904 SdHoareTripleChecker+Invalid, 4754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1851 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:10:32,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 8904 Invalid, 4754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1851 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-21 13:10:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2022-07-21 13:10:32,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3093. [2022-07-21 13:10:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 2232 states have (on average 1.3826164874551972) internal successors, (3086), 2293 states have internal predecessors, (3086), 746 states have call successors, (746), 115 states have call predecessors, (746), 114 states have return successors, (745), 738 states have call predecessors, (745), 745 states have call successors, (745) [2022-07-21 13:10:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 4577 transitions. [2022-07-21 13:10:32,567 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 4577 transitions. Word has length 341 [2022-07-21 13:10:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:10:32,568 INFO L495 AbstractCegarLoop]: Abstraction has 3093 states and 4577 transitions. [2022-07-21 13:10:32,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:10:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 4577 transitions. [2022-07-21 13:10:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-21 13:10:32,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:10:32,573 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:10:32,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:10:32,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:10:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:10:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1960697473, now seen corresponding path program 1 times [2022-07-21 13:10:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:10:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756796138] [2022-07-21 13:10:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:10:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:10:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:10:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:10:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:10:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:10:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:10:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:10:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:10:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:10:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:10:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:10:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:10:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:10:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:10:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:10:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:10:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:10:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:10:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:10:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:10:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:10:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:10:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:10:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:10:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:10:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:10:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-07-21 13:10:33,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:10:33,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756796138] [2022-07-21 13:10:33,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756796138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:10:33,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:10:33,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:10:33,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529452176] [2022-07-21 13:10:33,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:10:33,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:10:33,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:10:33,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:10:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:10:33,349 INFO L87 Difference]: Start difference. First operand 3093 states and 4577 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 13:10:45,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:10:45,146 INFO L93 Difference]: Finished difference Result 9961 states and 14917 transitions. [2022-07-21 13:10:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:10:45,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 341 [2022-07-21 13:10:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:10:45,188 INFO L225 Difference]: With dead ends: 9961 [2022-07-21 13:10:45,189 INFO L226 Difference]: Without dead ends: 6927 [2022-07-21 13:10:45,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:10:45,203 INFO L413 NwaCegarLoop]: 5043 mSDtfsCounter, 7023 mSDsluCounter, 8052 mSDsCounter, 0 mSdLazyCounter, 5633 mSolverCounterSat, 4139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7631 SdHoareTripleChecker+Valid, 13095 SdHoareTripleChecker+Invalid, 9772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4139 IncrementalHoareTripleChecker+Valid, 5633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:10:45,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7631 Valid, 13095 Invalid, 9772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4139 Valid, 5633 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-21 13:10:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6927 states. [2022-07-21 13:10:45,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6927 to 6095. [2022-07-21 13:10:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6095 states, 4408 states have (on average 1.3849818511796734) internal successors, (6105), 4531 states have internal predecessors, (6105), 1459 states have call successors, (1459), 228 states have call predecessors, (1459), 227 states have return successors, (1458), 1443 states have call predecessors, (1458), 1458 states have call successors, (1458) [2022-07-21 13:10:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6095 states to 6095 states and 9022 transitions. [2022-07-21 13:10:45,452 INFO L78 Accepts]: Start accepts. Automaton has 6095 states and 9022 transitions. Word has length 341 [2022-07-21 13:10:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:10:45,455 INFO L495 AbstractCegarLoop]: Abstraction has 6095 states and 9022 transitions. [2022-07-21 13:10:45,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 13:10:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6095 states and 9022 transitions. [2022-07-21 13:10:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-21 13:10:45,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:10:45,462 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:10:45,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:10:45,463 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:10:45,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:10:45,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1760430143, now seen corresponding path program 1 times [2022-07-21 13:10:45,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:10:45,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935914861] [2022-07-21 13:10:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:10:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:10:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:10:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:10:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:10:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:10:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:10:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:10:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:10:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:10:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:10:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:10:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:10:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:10:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:10:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:10:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:10:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:10:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:10:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:10:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:10:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:10:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:10:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:10:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:10:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:10:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:10:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-07-21 13:10:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:10:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935914861] [2022-07-21 13:10:46,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935914861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:10:46,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:10:46,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:10:46,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73691122] [2022-07-21 13:10:46,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:10:46,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:10:46,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:10:46,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:10:46,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:10:46,227 INFO L87 Difference]: Start difference. First operand 6095 states and 9022 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 13:10:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:10:55,684 INFO L93 Difference]: Finished difference Result 19761 states and 29574 transitions. [2022-07-21 13:10:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:10:55,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 344 [2022-07-21 13:10:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:10:55,762 INFO L225 Difference]: With dead ends: 19761 [2022-07-21 13:10:55,762 INFO L226 Difference]: Without dead ends: 13725 [2022-07-21 13:10:55,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:10:55,795 INFO L413 NwaCegarLoop]: 5038 mSDtfsCounter, 8975 mSDsluCounter, 6082 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 6104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9586 SdHoareTripleChecker+Valid, 11120 SdHoareTripleChecker+Invalid, 9952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6104 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:10:55,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9586 Valid, 11120 Invalid, 9952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6104 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-07-21 13:10:55,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13725 states. [2022-07-21 13:10:56,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13725 to 12067. [2022-07-21 13:10:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12067 states, 8736 states have (on average 1.385989010989011) internal successors, (12108), 8983 states have internal predecessors, (12108), 2877 states have call successors, (2877), 454 states have call predecessors, (2877), 453 states have return successors, (2876), 2845 states have call predecessors, (2876), 2876 states have call successors, (2876) [2022-07-21 13:10:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 17861 transitions. [2022-07-21 13:10:56,225 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 17861 transitions. Word has length 344 [2022-07-21 13:10:56,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:10:56,226 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 17861 transitions. [2022-07-21 13:10:56,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 13:10:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 17861 transitions. [2022-07-21 13:10:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-21 13:10:56,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:10:56,230 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:10:56,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:10:56,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:10:56,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:10:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash 953549246, now seen corresponding path program 1 times [2022-07-21 13:10:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:10:56,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736853224] [2022-07-21 13:10:56,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:10:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:10:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:10:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:10:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:10:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:10:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:10:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:10:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:10:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:10:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:10:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:10:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:10:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:10:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:10:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:10:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:10:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:10:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:10:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:10:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:10:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:10:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:10:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:10:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:10:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:10:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:10:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-07-21 13:10:56,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:10:56,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736853224] [2022-07-21 13:10:56,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736853224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:10:56,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:10:56,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:10:56,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224910326] [2022-07-21 13:10:56,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:10:56,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:10:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:10:56,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:10:56,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:10:56,850 INFO L87 Difference]: Start difference. First operand 12067 states and 17861 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 13:11:11,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:11:11,912 INFO L93 Difference]: Finished difference Result 38914 states and 58217 transitions. [2022-07-21 13:11:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:11:11,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 346 [2022-07-21 13:11:11,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:11:12,081 INFO L225 Difference]: With dead ends: 38914 [2022-07-21 13:11:12,082 INFO L226 Difference]: Without dead ends: 26906 [2022-07-21 13:11:12,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:11:12,149 INFO L413 NwaCegarLoop]: 5338 mSDtfsCounter, 6712 mSDsluCounter, 10493 mSDsCounter, 0 mSdLazyCounter, 7434 mSolverCounterSat, 3984 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7321 SdHoareTripleChecker+Valid, 15831 SdHoareTripleChecker+Invalid, 11418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3984 IncrementalHoareTripleChecker+Valid, 7434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:11:12,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7321 Valid, 15831 Invalid, 11418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3984 Valid, 7434 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-07-21 13:11:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26906 states. [2022-07-21 13:11:13,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26906 to 23732. [2022-07-21 13:11:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23732 states, 17191 states have (on average 1.3868303181897506) internal successors, (23841), 17679 states have internal predecessors, (23841), 5647 states have call successors, (5647), 894 states have call predecessors, (5647), 893 states have return successors, (5646), 5587 states have call predecessors, (5646), 5646 states have call successors, (5646) [2022-07-21 13:11:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23732 states to 23732 states and 35134 transitions. [2022-07-21 13:11:13,147 INFO L78 Accepts]: Start accepts. Automaton has 23732 states and 35134 transitions. Word has length 346 [2022-07-21 13:11:13,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:11:13,148 INFO L495 AbstractCegarLoop]: Abstraction has 23732 states and 35134 transitions. [2022-07-21 13:11:13,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 13:11:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 23732 states and 35134 transitions. [2022-07-21 13:11:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-21 13:11:13,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:11:13,153 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:11:13,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 13:11:13,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:11:13,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:11:13,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1553940948, now seen corresponding path program 1 times [2022-07-21 13:11:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:11:13,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674589868] [2022-07-21 13:11:13,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:11:13,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:11:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:11:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:11:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:11:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:11:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:11:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:11:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:11:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:11:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:11:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:11:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:11:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:11:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:11:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:11:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:11:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:11:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:11:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:11:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:11:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:11:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:11:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:11:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:11:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:11:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:11:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 13:11:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-21 13:11:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-07-21 13:11:13,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:11:13,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674589868] [2022-07-21 13:11:13,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674589868] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:11:13,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:11:13,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:11:13,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627630960] [2022-07-21 13:11:13,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:11:13,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:11:13,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:11:13,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:11:13,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:11:13,879 INFO L87 Difference]: Start difference. First operand 23732 states and 35134 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:11:34,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:11:34,839 INFO L93 Difference]: Finished difference Result 73759 states and 109780 transitions. [2022-07-21 13:11:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 13:11:34,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 363 [2022-07-21 13:11:34,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:11:35,104 INFO L225 Difference]: With dead ends: 73759 [2022-07-21 13:11:35,104 INFO L226 Difference]: Without dead ends: 50096 [2022-07-21 13:11:35,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-21 13:11:35,191 INFO L413 NwaCegarLoop]: 5266 mSDtfsCounter, 7989 mSDsluCounter, 9158 mSDsCounter, 0 mSdLazyCounter, 13086 mSolverCounterSat, 5791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8591 SdHoareTripleChecker+Valid, 14424 SdHoareTripleChecker+Invalid, 18877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5791 IncrementalHoareTripleChecker+Valid, 13086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:11:35,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8591 Valid, 14424 Invalid, 18877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5791 Valid, 13086 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2022-07-21 13:11:35,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50096 states. [2022-07-21 13:11:36,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50096 to 39566. [2022-07-21 13:11:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39566 states, 28655 states have (on average 1.3770371662886058) internal successors, (39459), 29424 states have internal predecessors, (39459), 9284 states have call successors, (9284), 1627 states have call predecessors, (9284), 1626 states have return successors, (9283), 9196 states have call predecessors, (9283), 9283 states have call successors, (9283) [2022-07-21 13:11:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39566 states to 39566 states and 58026 transitions. [2022-07-21 13:11:36,851 INFO L78 Accepts]: Start accepts. Automaton has 39566 states and 58026 transitions. Word has length 363 [2022-07-21 13:11:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:11:36,852 INFO L495 AbstractCegarLoop]: Abstraction has 39566 states and 58026 transitions. [2022-07-21 13:11:36,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:11:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 39566 states and 58026 transitions. [2022-07-21 13:11:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-07-21 13:11:36,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:11:36,858 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 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] [2022-07-21 13:11:36,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 13:11:36,858 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:11:36,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:11:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash -198300478, now seen corresponding path program 1 times [2022-07-21 13:11:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:11:36,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727895999] [2022-07-21 13:11:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:11:36,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:11:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:11:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:11:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:11:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:11:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:11:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:11:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:11:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:11:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:11:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:11:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:11:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:11:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:11:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:11:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:11:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:11:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:11:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:11:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:11:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:11:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:11:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:11:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:11:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:11:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:11:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 13:11:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-21 13:11:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 13:11:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-21 13:11:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 13:11:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:11:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 13:11:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 13:11:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2984 trivial. 0 not checked. [2022-07-21 13:11:37,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:11:37,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727895999] [2022-07-21 13:11:37,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727895999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:11:37,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:11:37,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:11:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93495825] [2022-07-21 13:11:37,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:11:37,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:11:37,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:11:37,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:11:37,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:11:37,982 INFO L87 Difference]: Start difference. First operand 39566 states and 58026 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-21 13:11:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:11:49,171 INFO L93 Difference]: Finished difference Result 84301 states and 124557 transitions. [2022-07-21 13:11:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:11:49,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 486 [2022-07-21 13:11:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:11:49,390 INFO L225 Difference]: With dead ends: 84301 [2022-07-21 13:11:49,391 INFO L226 Difference]: Without dead ends: 44760 [2022-07-21 13:11:49,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:11:49,509 INFO L413 NwaCegarLoop]: 4422 mSDtfsCounter, 1507 mSDsluCounter, 13469 mSDsCounter, 0 mSdLazyCounter, 6567 mSolverCounterSat, 1816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 17891 SdHoareTripleChecker+Invalid, 8383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1816 IncrementalHoareTripleChecker+Valid, 6567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:11:49,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 17891 Invalid, 8383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1816 Valid, 6567 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-07-21 13:11:49,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44760 states. [2022-07-21 13:11:50,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44760 to 39566. [2022-07-21 13:11:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39566 states, 28655 states have (on average 1.3764787995114292) internal successors, (39443), 29424 states have internal predecessors, (39443), 9284 states have call successors, (9284), 1627 states have call predecessors, (9284), 1626 states have return successors, (9283), 9196 states have call predecessors, (9283), 9283 states have call successors, (9283) [2022-07-21 13:11:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39566 states to 39566 states and 58010 transitions. [2022-07-21 13:11:51,044 INFO L78 Accepts]: Start accepts. Automaton has 39566 states and 58010 transitions. Word has length 486 [2022-07-21 13:11:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:11:51,046 INFO L495 AbstractCegarLoop]: Abstraction has 39566 states and 58010 transitions. [2022-07-21 13:11:51,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-21 13:11:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 39566 states and 58010 transitions. [2022-07-21 13:11:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-07-21 13:11:51,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:11:51,052 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 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] [2022-07-21 13:11:51,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 13:11:51,053 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:11:51,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:11:51,053 INFO L85 PathProgramCache]: Analyzing trace with hash -129386945, now seen corresponding path program 1 times [2022-07-21 13:11:51,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:11:51,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169334408] [2022-07-21 13:11:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:11:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:11:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:11:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:11:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:11:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:11:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:11:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:11:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:11:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:11:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:11:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:11:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:11:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:11:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:11:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:11:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:11:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:11:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:11:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:11:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:11:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:11:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:11:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:11:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:11:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:11:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:11:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:11:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:11:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:11:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 13:11:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 13:11:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 13:11:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 13:11:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 13:11:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 13:11:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 13:11:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:11:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2986 trivial. 0 not checked. [2022-07-21 13:11:52,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:11:52,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169334408] [2022-07-21 13:11:52,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169334408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:11:52,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:11:52,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:11:52,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445980130] [2022-07-21 13:11:52,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:11:52,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:11:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:11:52,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:11:52,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:11:52,442 INFO L87 Difference]: Start difference. First operand 39566 states and 58010 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-21 13:12:01,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:12:01,349 INFO L93 Difference]: Finished difference Result 57435 states and 85280 transitions. [2022-07-21 13:12:01,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:12:01,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 508 [2022-07-21 13:12:01,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:12:01,607 INFO L225 Difference]: With dead ends: 57435 [2022-07-21 13:12:01,608 INFO L226 Difference]: Without dead ends: 57432 [2022-07-21 13:12:01,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 13:12:01,632 INFO L413 NwaCegarLoop]: 5153 mSDtfsCounter, 5673 mSDsluCounter, 7621 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 4590 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6003 SdHoareTripleChecker+Valid, 12774 SdHoareTripleChecker+Invalid, 8537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4590 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:12:01,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6003 Valid, 12774 Invalid, 8537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4590 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-21 13:12:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57432 states. [2022-07-21 13:12:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57432 to 47311. [2022-07-21 13:12:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47311 states, 34473 states have (on average 1.3829663794853944) internal successors, (47675), 35288 states have internal predecessors, (47675), 10652 states have call successors, (10652), 2178 states have call predecessors, (10652), 2185 states have return successors, (10675), 10534 states have call predecessors, (10675), 10651 states have call successors, (10675) [2022-07-21 13:12:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47311 states to 47311 states and 69002 transitions. [2022-07-21 13:12:03,289 INFO L78 Accepts]: Start accepts. Automaton has 47311 states and 69002 transitions. Word has length 508 [2022-07-21 13:12:03,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:12:03,290 INFO L495 AbstractCegarLoop]: Abstraction has 47311 states and 69002 transitions. [2022-07-21 13:12:03,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-21 13:12:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 47311 states and 69002 transitions. [2022-07-21 13:12:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2022-07-21 13:12:03,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:12:03,313 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:12:03,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 13:12:03,313 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:12:03,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:12:03,314 INFO L85 PathProgramCache]: Analyzing trace with hash -925653193, now seen corresponding path program 1 times [2022-07-21 13:12:03,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:12:03,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650713891] [2022-07-21 13:12:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:12:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:12:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:12:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:12:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:12:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:12:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:12:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:12:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:12:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:12:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:12:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:12:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:12:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:12:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:12:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:12:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:12:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:12:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:12:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:12:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:12:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:12:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:12:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:12:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:12:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:12:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:12:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:12:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:12:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:12:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 13:12:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 13:12:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 13:12:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 13:12:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 13:12:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 13:12:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 13:12:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:12:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 13:12:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 13:12:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2984 trivial. 0 not checked. [2022-07-21 13:12:04,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:12:04,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650713891] [2022-07-21 13:12:04,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650713891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:12:04,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:12:04,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 13:12:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674787795] [2022-07-21 13:12:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:12:04,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 13:12:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:12:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 13:12:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:12:04,605 INFO L87 Difference]: Start difference. First operand 47311 states and 69002 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 13:12:34,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:12:34,570 INFO L93 Difference]: Finished difference Result 171761 states and 254394 transitions. [2022-07-21 13:12:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 13:12:34,571 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) Word has length 529 [2022-07-21 13:12:34,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:12:35,412 INFO L225 Difference]: With dead ends: 171761 [2022-07-21 13:12:35,412 INFO L226 Difference]: Without dead ends: 124523 [2022-07-21 13:12:35,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2022-07-21 13:12:35,582 INFO L413 NwaCegarLoop]: 4537 mSDtfsCounter, 15469 mSDsluCounter, 16314 mSDsCounter, 0 mSdLazyCounter, 25281 mSolverCounterSat, 12835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16239 SdHoareTripleChecker+Valid, 20851 SdHoareTripleChecker+Invalid, 38116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12835 IncrementalHoareTripleChecker+Valid, 25281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:12:35,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16239 Valid, 20851 Invalid, 38116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12835 Valid, 25281 Invalid, 0 Unknown, 0 Unchecked, 25.7s Time] [2022-07-21 13:12:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124523 states. [2022-07-21 13:12:38,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124523 to 94706. [2022-07-21 13:12:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94706 states, 69000 states have (on average 1.3824202898550724) internal successors, (95387), 70662 states have internal predecessors, (95387), 21275 states have call successors, (21275), 4351 states have call predecessors, (21275), 4430 states have return successors, (21568), 21072 states have call predecessors, (21568), 21274 states have call successors, (21568) [2022-07-21 13:12:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94706 states to 94706 states and 138230 transitions. [2022-07-21 13:12:39,420 INFO L78 Accepts]: Start accepts. Automaton has 94706 states and 138230 transitions. Word has length 529 [2022-07-21 13:12:39,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:12:39,421 INFO L495 AbstractCegarLoop]: Abstraction has 94706 states and 138230 transitions. [2022-07-21 13:12:39,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 13:12:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 94706 states and 138230 transitions. [2022-07-21 13:12:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-21 13:12:39,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:12:39,460 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:12:39,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 13:12:39,460 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:12:39,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:12:39,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1699040259, now seen corresponding path program 1 times [2022-07-21 13:12:39,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:12:39,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138435036] [2022-07-21 13:12:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:12:39,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:12:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:12:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:12:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:12:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:12:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:12:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:12:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:12:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:12:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:12:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:12:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:12:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:12:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:12:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:12:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:12:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:12:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:12:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:12:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:12:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:12:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:12:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:12:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:12:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:12:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:12:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:12:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:12:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:12:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 13:12:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-21 13:12:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:12:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:12:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:12:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:12:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:12:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-21 13:12:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-21 13:12:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:12:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-21 13:12:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2984 trivial. 0 not checked. [2022-07-21 13:12:40,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:12:40,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138435036] [2022-07-21 13:12:40,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138435036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:12:40,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:12:40,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 13:12:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144797922] [2022-07-21 13:12:40,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:12:40,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 13:12:40,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:12:40,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 13:12:40,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:12:40,638 INFO L87 Difference]: Start difference. First operand 94706 states and 138230 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 13:13:08,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:13:08,023 INFO L93 Difference]: Finished difference Result 291280 states and 431184 transitions. [2022-07-21 13:13:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 13:13:08,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 535 [2022-07-21 13:13:08,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:13:09,671 INFO L225 Difference]: With dead ends: 291280 [2022-07-21 13:13:09,671 INFO L226 Difference]: Without dead ends: 196647 [2022-07-21 13:13:10,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-21 13:13:10,030 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 11260 mSDsluCounter, 9369 mSDsCounter, 0 mSdLazyCounter, 15956 mSolverCounterSat, 7750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11966 SdHoareTripleChecker+Valid, 15097 SdHoareTripleChecker+Invalid, 23706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7750 IncrementalHoareTripleChecker+Valid, 15956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:13:10,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11966 Valid, 15097 Invalid, 23706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7750 Valid, 15956 Invalid, 0 Unknown, 0 Unchecked, 20.5s Time] [2022-07-21 13:13:10,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196647 states. [2022-07-21 13:13:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196647 to 149944. [2022-07-21 13:13:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149944 states, 109468 states have (on average 1.3810154565717836) internal successors, (151177), 112186 states have internal predecessors, (151177), 33499 states have call successors, (33499), 6849 states have call predecessors, (33499), 6976 states have return successors, (33984), 33160 states have call predecessors, (33984), 33498 states have call successors, (33984) [2022-07-21 13:13:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149944 states to 149944 states and 218660 transitions. [2022-07-21 13:13:16,751 INFO L78 Accepts]: Start accepts. Automaton has 149944 states and 218660 transitions. Word has length 535 [2022-07-21 13:13:16,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:13:16,751 INFO L495 AbstractCegarLoop]: Abstraction has 149944 states and 218660 transitions. [2022-07-21 13:13:16,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 13:13:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 149944 states and 218660 transitions. [2022-07-21 13:13:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-07-21 13:13:16,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:13:16,781 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:13:16,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 13:13:16,782 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:13:16,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:13:16,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1735114988, now seen corresponding path program 1 times [2022-07-21 13:13:16,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:13:16,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518446374] [2022-07-21 13:13:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:13:16,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:13:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:13:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:13:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:13:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:13:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:13:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:13:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:13:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:13:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:13:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:13:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:13:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:13:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:13:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:13:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:13:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:13:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:13:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:13:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:13:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:13:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:13:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:13:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:13:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:13:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:13:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:13:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:13:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:13:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 13:13:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-21 13:13:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:13:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:13:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:13:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:13:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:13:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-21 13:13:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-21 13:13:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 13:13:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:13:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2984 trivial. 0 not checked. [2022-07-21 13:13:17,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:13:17,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518446374] [2022-07-21 13:13:17,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518446374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:13:17,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:13:17,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 13:13:17,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993650516] [2022-07-21 13:13:17,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:13:17,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 13:13:17,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:13:17,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 13:13:17,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:13:17,992 INFO L87 Difference]: Start difference. First operand 149944 states and 218660 transitions. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 13:13:41,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:13:41,644 INFO L93 Difference]: Finished difference Result 250043 states and 367443 transitions. [2022-07-21 13:13:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 13:13:41,644 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 534 [2022-07-21 13:13:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:13:42,454 INFO L225 Difference]: With dead ends: 250043 [2022-07-21 13:13:42,454 INFO L226 Difference]: Without dead ends: 99778 [2022-07-21 13:13:43,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-21 13:13:43,088 INFO L413 NwaCegarLoop]: 4227 mSDtfsCounter, 4133 mSDsluCounter, 14478 mSDsCounter, 0 mSdLazyCounter, 17786 mSolverCounterSat, 3442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4496 SdHoareTripleChecker+Valid, 18705 SdHoareTripleChecker+Invalid, 21228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3442 IncrementalHoareTripleChecker+Valid, 17786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:13:43,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4496 Valid, 18705 Invalid, 21228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3442 Valid, 17786 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2022-07-21 13:13:43,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99778 states. [2022-07-21 13:13:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99778 to 75924. [2022-07-21 13:13:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75924 states, 55463 states have (on average 1.3815696951120566) internal successors, (76626), 56824 states have internal predecessors, (76626), 16936 states have call successors, (16936), 3463 states have call predecessors, (16936), 3524 states have return successors, (17153), 16777 states have call predecessors, (17153), 16935 states have call successors, (17153) [2022-07-21 13:13:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75924 states to 75924 states and 110715 transitions. [2022-07-21 13:13:46,327 INFO L78 Accepts]: Start accepts. Automaton has 75924 states and 110715 transitions. Word has length 534 [2022-07-21 13:13:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:13:46,328 INFO L495 AbstractCegarLoop]: Abstraction has 75924 states and 110715 transitions. [2022-07-21 13:13:46,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 13:13:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 75924 states and 110715 transitions. [2022-07-21 13:13:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-21 13:13:46,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:13:46,343 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:13:46,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 13:13:46,344 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:13:46,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:13:46,344 INFO L85 PathProgramCache]: Analyzing trace with hash -36199946, now seen corresponding path program 1 times [2022-07-21 13:13:46,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:13:46,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758910416] [2022-07-21 13:13:46,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:13:46,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:13:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:13:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:13:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:13:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:13:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:13:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:13:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:13:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:13:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:13:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:13:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:13:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 13:13:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:13:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 13:13:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:13:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:13:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 13:13:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:13:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:13:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:13:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:13:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:13:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:13:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:13:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:13:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:13:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:13:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:13:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:13:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 13:13:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 13:13:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:13:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-21 13:13:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:13:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-21 13:13:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:13:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-21 13:13:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:13:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-21 13:13:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3056 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2951 trivial. 0 not checked. [2022-07-21 13:13:47,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:13:47,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758910416] [2022-07-21 13:13:47,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758910416] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 13:13:47,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661414023] [2022-07-21 13:13:47,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:13:47,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:13:47,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:13:47,592 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) [2022-07-21 13:13:47,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 13:13:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:49,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 7991 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 13:13:49,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:13:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3056 backedges. 1409 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-07-21 13:13:50,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:13:50,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661414023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:13:50,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:13:50,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2022-07-21 13:13:50,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518711314] [2022-07-21 13:13:50,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:13:50,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:13:50,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:13:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:13:50,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-21 13:13:50,041 INFO L87 Difference]: Start difference. First operand 75924 states and 110715 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 13:13:52,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:13:52,629 INFO L93 Difference]: Finished difference Result 151939 states and 221996 transitions. [2022-07-21 13:13:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:13:52,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 535 [2022-07-21 13:13:52,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:13:53,046 INFO L225 Difference]: With dead ends: 151939 [2022-07-21 13:13:53,047 INFO L226 Difference]: Without dead ends: 75964 [2022-07-21 13:13:53,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 706 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-07-21 13:13:53,294 INFO L413 NwaCegarLoop]: 4553 mSDtfsCounter, 6 mSDsluCounter, 18167 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22720 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:13:53,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22720 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 13:13:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75964 states. [2022-07-21 13:13:55,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75964 to 75964. [2022-07-21 13:13:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75964 states, 55503 states have (on average 1.381294704790732) internal successors, (76666), 56864 states have internal predecessors, (76666), 16936 states have call successors, (16936), 3463 states have call predecessors, (16936), 3524 states have return successors, (17153), 16777 states have call predecessors, (17153), 16935 states have call successors, (17153) [2022-07-21 13:13:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75964 states to 75964 states and 110755 transitions. [2022-07-21 13:13:55,997 INFO L78 Accepts]: Start accepts. Automaton has 75964 states and 110755 transitions. Word has length 535 [2022-07-21 13:13:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:13:55,997 INFO L495 AbstractCegarLoop]: Abstraction has 75964 states and 110755 transitions. [2022-07-21 13:13:55,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 13:13:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 75964 states and 110755 transitions. [2022-07-21 13:13:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-07-21 13:13:56,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:13:56,010 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:13:56,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:13:56,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-21 13:13:56,218 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:13:56,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:13:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash -223706986, now seen corresponding path program 1 times [2022-07-21 13:13:56,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:13:56,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672745591] [2022-07-21 13:13:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:13:56,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms