./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 ff03de63 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-dev-ff03de6 [2021-12-21 16:52:13,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:52:13,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:52:13,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:52:13,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:52:13,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:52:13,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:52:13,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:52:13,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:52:13,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:52:13,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:52:13,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:52:13,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:52:13,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:52:13,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:52:13,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:52:13,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:52:13,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:52:13,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:52:13,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:52:13,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:52:13,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:52:13,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:52:13,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:52:13,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:52:13,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:52:13,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:52:13,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:52:13,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:52:13,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:52:13,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:52:13,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:52:13,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:52:13,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:52:13,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:52:13,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:52:13,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:52:13,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:52:13,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:52:13,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:52:13,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:52:13,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:52:13,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:52:13,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:52:13,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:52:13,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:52:13,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:52:13,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:52:13,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:52:13,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:52:13,493 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:52:13,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:52:13,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:52:13,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:52:13,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:52:13,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:52:13,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:52:13,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:52:13,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:52:13,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:52:13,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:52:13,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:52:13,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:52:13,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:52:13,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:52:13,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:52:13,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:52:13,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:52:13,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:52:13,496 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:52:13,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:52:13,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:52:13,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:52:13,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2021-12-21 16:52:13,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:52:13,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:52:13,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:52:13,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:52:13,745 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:52:13,746 INFO L432 ainManager$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 [2021-12-21 16:52:13,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e12ef49d/c3bc2aacbd5a41bfb1af79ed000c9b46/FLAG57e598a09 [2021-12-21 16:52:14,478 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:52:14,479 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 [2021-12-21 16:52:14,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e12ef49d/c3bc2aacbd5a41bfb1af79ed000c9b46/FLAG57e598a09 [2021-12-21 16:52:14,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e12ef49d/c3bc2aacbd5a41bfb1af79ed000c9b46 [2021-12-21 16:52:14,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:52:14,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:52:14,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:52:14,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:52:14,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:52:14,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:52:14" (1/1) ... [2021-12-21 16:52:14,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdac9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:14, skipping insertion in model container [2021-12-21 16:52:14,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:52:14" (1/1) ... [2021-12-21 16:52:14,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:52:14,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:52:16,653 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] [2021-12-21 16:52:16,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:52:16,735 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:52:17,078 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] [2021-12-21 16:52:17,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:52:17,119 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:52:17,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17 WrapperNode [2021-12-21 16:52:17,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:52:17,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:52:17,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:52:17,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:52:17,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,433 INFO L137 Inliner]: procedures = 259, calls = 4373, calls flagged for inlining = 103, calls inlined = 98, statements flattened = 8445 [2021-12-21 16:52:17,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:52:17,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:52:17,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:52:17,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:52:17,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:52:17,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:52:17,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:52:17,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:52:17,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (1/1) ... [2021-12-21 16:52:17,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:52:17,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:52:17,796 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) [2021-12-21 16:52:17,814 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 [2021-12-21 16:52:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2021-12-21 16:52:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2021-12-21 16:52:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:52:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:52:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2021-12-21 16:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2021-12-21 16:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2021-12-21 16:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2021-12-21 16:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-21 16:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-21 16:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2021-12-21 16:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2021-12-21 16:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-21 16:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-21 16:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-21 16:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-21 16:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2021-12-21 16:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2021-12-21 16:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2021-12-21 16:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2021-12-21 16:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2021-12-21 16:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2021-12-21 16:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2021-12-21 16:52:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2021-12-21 16:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:52:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:52:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2021-12-21 16:52:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2021-12-21 16:52:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-21 16:52:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-21 16:52:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2021-12-21 16:52:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2021-12-21 16:52:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:52:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:52:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2021-12-21 16:52:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2021-12-21 16:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:52:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-21 16:52:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-21 16:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2021-12-21 16:52:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2021-12-21 16:52:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-21 16:52:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-21 16:52:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2021-12-21 16:52:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2021-12-21 16:52:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:52:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2021-12-21 16:52:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2021-12-21 16:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:52:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-21 16:52:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-21 16:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:52:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2021-12-21 16:52:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2021-12-21 16:52:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2021-12-21 16:52:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2021-12-21 16:52:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:52:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-21 16:52:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-21 16:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2021-12-21 16:52:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2021-12-21 16:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2021-12-21 16:52:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2021-12-21 16:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2021-12-21 16:52:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2021-12-21 16:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:52:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2021-12-21 16:52:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2021-12-21 16:52:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-21 16:52:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-21 16:52:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-21 16:52:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-21 16:52:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:52:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:52:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-21 16:52:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-21 16:52:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:52:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:52:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2021-12-21 16:52:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2021-12-21 16:52:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:52:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:52:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2021-12-21 16:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2021-12-21 16:52:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2021-12-21 16:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2021-12-21 16:52:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2021-12-21 16:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2021-12-21 16:52:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2021-12-21 16:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2021-12-21 16:52:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:52:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:52:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2021-12-21 16:52:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2021-12-21 16:52:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-21 16:52:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-21 16:52:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2021-12-21 16:52:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2021-12-21 16:52:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-21 16:52:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-21 16:52:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:52:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2021-12-21 16:52:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2021-12-21 16:52:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:52:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:52:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2021-12-21 16:52:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2021-12-21 16:52:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2021-12-21 16:52:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2021-12-21 16:52:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2021-12-21 16:52:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2021-12-21 16:52:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2021-12-21 16:52:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2021-12-21 16:52:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2021-12-21 16:52:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2021-12-21 16:52:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2021-12-21 16:52:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2021-12-21 16:52:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2021-12-21 16:52:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2021-12-21 16:52:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2021-12-21 16:52:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2021-12-21 16:52:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:52:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:52:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2021-12-21 16:52:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2021-12-21 16:52:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2021-12-21 16:52:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2021-12-21 16:52:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-21 16:52:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-21 16:52:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:52:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:52:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2021-12-21 16:52:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2021-12-21 16:52:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-21 16:52:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-21 16:52:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2021-12-21 16:52:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2021-12-21 16:52:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:52:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2021-12-21 16:52:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2021-12-21 16:52:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:52:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:52:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:52:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-21 16:52:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-21 16:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:52:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2021-12-21 16:52:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2021-12-21 16:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2021-12-21 16:52:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2021-12-21 16:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-21 16:52:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-21 16:52:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-12-21 16:52:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-12-21 16:52:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:52:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:52:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:52:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:52:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:52:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2021-12-21 16:52:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2021-12-21 16:52:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-21 16:52:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-21 16:52:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:52:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:52:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:52:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2021-12-21 16:52:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2021-12-21 16:52:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2021-12-21 16:52:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2021-12-21 16:52:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2021-12-21 16:52:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2021-12-21 16:52:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2021-12-21 16:52:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2021-12-21 16:52:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:52:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:52:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2021-12-21 16:52:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2021-12-21 16:52:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2021-12-21 16:52:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2021-12-21 16:52:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-21 16:52:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-21 16:52:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:52:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:52:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2021-12-21 16:52:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2021-12-21 16:52:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-21 16:52:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-21 16:52:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 16:52:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 16:52:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2021-12-21 16:52:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2021-12-21 16:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-21 16:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-21 16:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2021-12-21 16:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2021-12-21 16:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2021-12-21 16:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2021-12-21 16:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-21 16:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-21 16:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2021-12-21 16:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2021-12-21 16:52:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:52:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:52:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:52:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:52:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-21 16:52:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-21 16:52:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:52:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:52:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2021-12-21 16:52:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2021-12-21 16:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2021-12-21 16:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2021-12-21 16:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2021-12-21 16:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2021-12-21 16:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-21 16:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-21 16:52:18,607 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:52:18,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:52:19,051 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:52:23,739 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:52:23,758 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:52:23,759 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-21 16:52:23,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:52:23 BoogieIcfgContainer [2021-12-21 16:52:23,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:52:23,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:52:23,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:52:23,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:52:23,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:52:14" (1/3) ... [2021-12-21 16:52:23,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48016e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:52:23, skipping insertion in model container [2021-12-21 16:52:23,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:17" (2/3) ... [2021-12-21 16:52:23,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48016e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:52:23, skipping insertion in model container [2021-12-21 16:52:23,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:52:23" (3/3) ... [2021-12-21 16:52:23,768 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-21 16:52:23,772 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:52:23,772 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:52:23,809 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:52:23,814 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:52:23,814 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:52:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 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) [2021-12-21 16:52:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-21 16:52:23,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:23,883 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:52:23,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:23,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:23,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1446211571, now seen corresponding path program 1 times [2021-12-21 16:52:23,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:23,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835670690] [2021-12-21 16:52:23,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:23,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:52:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:52:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:52:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:52:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:52:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:52:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:52:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:52:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 16:52:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 16:52:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 16:52:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:52:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 16:52:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:52:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-21 16:52:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-21 16:52:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-21 16:52:25,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:25,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835670690] [2021-12-21 16:52:25,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835670690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:25,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:25,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:52:25,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320677428] [2021-12-21 16:52:25,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:25,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:52:25,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:25,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:52:25,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:52:25,093 INFO L87 Difference]: Start difference. First operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 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) [2021-12-21 16:52:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:33,940 INFO L93 Difference]: Finished difference Result 6243 states and 9497 transitions. [2021-12-21 16:52:33,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:52:33,943 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 [2021-12-21 16:52:33,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:34,012 INFO L225 Difference]: With dead ends: 6243 [2021-12-21 16:52:34,013 INFO L226 Difference]: Without dead ends: 3303 [2021-12-21 16:52:34,040 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:52:34,046 INFO L933 BasicCegarLoop]: 4177 mSDtfsCounter, 1418 mSDsluCounter, 5700 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 1854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 9877 SdHoareTripleChecker+Invalid, 5800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:34,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1496 Valid, 9877 Invalid, 5800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1854 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-21 16:52:34,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2021-12-21 16:52:34,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2897. [2021-12-21 16:52:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2036 states have (on average 1.382121807465619) internal successors, (2814), 2097 states have internal predecessors, (2814), 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) [2021-12-21 16:52:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 4305 transitions. [2021-12-21 16:52:34,266 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 4305 transitions. Word has length 341 [2021-12-21 16:52:34,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:34,268 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 4305 transitions. [2021-12-21 16:52:34,268 INFO L471 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) [2021-12-21 16:52:34,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 4305 transitions. [2021-12-21 16:52:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-21 16:52:34,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:34,278 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:52:34,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:52:34,278 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:34,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1653318689, now seen corresponding path program 1 times [2021-12-21 16:52:34,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:34,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673715710] [2021-12-21 16:52:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:34,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:52:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:52:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:52:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:52:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:52:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:52:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:52:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:52:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 16:52:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 16:52:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 16:52:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:52:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 16:52:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:52:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-21 16:52:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-21 16:52:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-21 16:52:35,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:35,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673715710] [2021-12-21 16:52:35,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673715710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:35,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:35,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:35,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091063787] [2021-12-21 16:52:35,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:35,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:35,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:35,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:35,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:35,149 INFO L87 Difference]: Start difference. First operand 2897 states and 4305 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) [2021-12-21 16:52:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:43,775 INFO L93 Difference]: Finished difference Result 9355 states and 14075 transitions. [2021-12-21 16:52:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:52:43,775 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 [2021-12-21 16:52:43,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:43,854 INFO L225 Difference]: With dead ends: 9355 [2021-12-21 16:52:43,855 INFO L226 Difference]: Without dead ends: 6517 [2021-12-21 16:52:43,864 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:52:43,865 INFO L933 BasicCegarLoop]: 4788 mSDtfsCounter, 8372 mSDsluCounter, 6087 mSDsCounter, 0 mSdLazyCounter, 3271 mSolverCounterSat, 6104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8980 SdHoareTripleChecker+Valid, 10875 SdHoareTripleChecker+Invalid, 9375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6104 IncrementalHoareTripleChecker+Valid, 3271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:43,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8980 Valid, 10875 Invalid, 9375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6104 Valid, 3271 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-12-21 16:52:43,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2021-12-21 16:52:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 5703. [2021-12-21 16:52:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 4016 states have (on average 1.384711155378486) internal successors, (5561), 4139 states have internal predecessors, (5561), 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) [2021-12-21 16:52:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8478 transitions. [2021-12-21 16:52:44,061 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 8478 transitions. Word has length 341 [2021-12-21 16:52:44,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:44,063 INFO L470 AbstractCegarLoop]: Abstraction has 5703 states and 8478 transitions. [2021-12-21 16:52:44,063 INFO L471 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) [2021-12-21 16:52:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 8478 transitions. [2021-12-21 16:52:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-21 16:52:44,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:44,067 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:52:44,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:52:44,068 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:44,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash -196395888, now seen corresponding path program 1 times [2021-12-21 16:52:44,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:44,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508023872] [2021-12-21 16:52:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:44,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:52:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:52:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:52:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:52:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:52:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:52:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:52:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:52:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 16:52:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 16:52:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 16:52:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:52:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 16:52:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:52:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-21 16:52:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-21 16:52:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-21 16:52:44,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:44,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508023872] [2021-12-21 16:52:44,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508023872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:44,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:44,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:44,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749284096] [2021-12-21 16:52:44,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:44,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:44,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:44,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:44,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:44,804 INFO L87 Difference]: Start difference. First operand 5703 states and 8478 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) [2021-12-21 16:52:55,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:55,063 INFO L93 Difference]: Finished difference Result 18549 states and 27890 transitions. [2021-12-21 16:52:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:52:55,064 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 [2021-12-21 16:52:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:55,133 INFO L225 Difference]: With dead ends: 18549 [2021-12-21 16:52:55,133 INFO L226 Difference]: Without dead ends: 12905 [2021-12-21 16:52:55,159 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:52:55,160 INFO L933 BasicCegarLoop]: 4792 mSDtfsCounter, 7457 mSDsluCounter, 7926 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 4348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8070 SdHoareTripleChecker+Valid, 12718 SdHoareTripleChecker+Invalid, 9267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4348 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:55,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8070 Valid, 12718 Invalid, 9267 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4348 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2021-12-21 16:52:55,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2021-12-21 16:52:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 11283. [2021-12-21 16:52:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11283 states, 7952 states have (on average 1.385814889336016) internal successors, (11020), 8199 states have internal predecessors, (11020), 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) [2021-12-21 16:52:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11283 states to 11283 states and 16773 transitions. [2021-12-21 16:52:55,596 INFO L78 Accepts]: Start accepts. Automaton has 11283 states and 16773 transitions. Word has length 344 [2021-12-21 16:52:55,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:55,598 INFO L470 AbstractCegarLoop]: Abstraction has 11283 states and 16773 transitions. [2021-12-21 16:52:55,601 INFO L471 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) [2021-12-21 16:52:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 11283 states and 16773 transitions. [2021-12-21 16:52:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-21 16:52:55,604 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:55,605 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:52:55,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:52:55,605 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:55,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:55,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1017833455, now seen corresponding path program 1 times [2021-12-21 16:52:55,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:55,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288954870] [2021-12-21 16:52:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:55,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:52:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:52:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:52:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:52:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:52:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:52:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:52:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:52:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 16:52:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 16:52:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 16:52:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:52:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 16:52:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:52:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-21 16:52:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-21 16:52:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-21 16:52:56,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:56,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288954870] [2021-12-21 16:52:56,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288954870] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:56,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:56,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:56,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684602057] [2021-12-21 16:52:56,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:56,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:56,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:56,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:56,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:56,219 INFO L87 Difference]: Start difference. First operand 11283 states and 16773 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) [2021-12-21 16:53:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:53:09,232 INFO L93 Difference]: Finished difference Result 36490 states and 54849 transitions. [2021-12-21 16:53:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:53:09,232 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 [2021-12-21 16:53:09,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:53:09,368 INFO L225 Difference]: With dead ends: 36490 [2021-12-21 16:53:09,368 INFO L226 Difference]: Without dead ends: 25266 [2021-12-21 16:53:09,417 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:53:09,418 INFO L933 BasicCegarLoop]: 5055 mSDtfsCounter, 6291 mSDsluCounter, 10102 mSDsCounter, 0 mSdLazyCounter, 6823 mSolverCounterSat, 3974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6903 SdHoareTripleChecker+Valid, 15157 SdHoareTripleChecker+Invalid, 10797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3974 IncrementalHoareTripleChecker+Valid, 6823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:53:09,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6903 Valid, 15157 Invalid, 10797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3974 Valid, 6823 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2021-12-21 16:53:09,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25266 states. [2021-12-21 16:53:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25266 to 22164. [2021-12-21 16:53:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22164 states, 15623 states have (on average 1.3867375024003072) internal successors, (21665), 16111 states have internal predecessors, (21665), 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) [2021-12-21 16:53:10,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22164 states to 22164 states and 32958 transitions. [2021-12-21 16:53:10,283 INFO L78 Accepts]: Start accepts. Automaton has 22164 states and 32958 transitions. Word has length 346 [2021-12-21 16:53:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:53:10,284 INFO L470 AbstractCegarLoop]: Abstraction has 22164 states and 32958 transitions. [2021-12-21 16:53:10,284 INFO L471 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) [2021-12-21 16:53:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 22164 states and 32958 transitions. [2021-12-21 16:53:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-12-21 16:53:10,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:53:10,291 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:53:10,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:53:10,291 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:53:10,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:53:10,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1534667843, now seen corresponding path program 1 times [2021-12-21 16:53:10,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:53:10,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068448112] [2021-12-21 16:53:10,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:53:10,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:53:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:53:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:53:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:53:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:53:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:53:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:53:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:53:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:53:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:53:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:53:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:53:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:53:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:53:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:53:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:53:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:53:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:53:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 16:53:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 16:53:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 16:53:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:53:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 16:53:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:53:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-21 16:53:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-21 16:53:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-21 16:53:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-21 16:53:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-21 16:53:10,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:53:10,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068448112] [2021-12-21 16:53:10,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068448112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:53:10,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:53:10,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:53:10,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665642955] [2021-12-21 16:53:10,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:53:10,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:53:10,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:53:10,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:53:10,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:53:10,941 INFO L87 Difference]: Start difference. First operand 22164 states and 32958 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 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)