./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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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-32_7a-drivers--net--usb--cdc_subset.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 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 21:26:35,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 21:26:35,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 21:26:35,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 21:26:35,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 21:26:35,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 21:26:35,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 21:26:35,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 21:26:35,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 21:26:35,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 21:26:35,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 21:26:35,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 21:26:35,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 21:26:35,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 21:26:35,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 21:26:35,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 21:26:35,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 21:26:35,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 21:26:35,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 21:26:35,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 21:26:35,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 21:26:35,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 21:26:35,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 21:26:35,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 21:26:35,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 21:26:35,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 21:26:35,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 21:26:35,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 21:26:35,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 21:26:35,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 21:26:35,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 21:26:35,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 21:26:35,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 21:26:35,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 21:26:35,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 21:26:35,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 21:26:35,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 21:26:35,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 21:26:35,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 21:26:35,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 21:26:35,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 21:26:35,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 21:26:35,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 21:26:35,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 21:26:35,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 21:26:35,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 21:26:35,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 21:26:35,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 21:26:35,482 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 21:26:35,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 21:26:35,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 21:26:35,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 21:26:35,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 21:26:35,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 21:26:35,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 21:26:35,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 21:26:35,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 21:26:35,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 21:26:35,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 21:26:35,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 21:26:35,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 21:26:35,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 21:26:35,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 21:26:35,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 21:26:35,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 21:26:35,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 21:26:35,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 21:26:35,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 21:26:35,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 21:26:35,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 21:26:35,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 21:26:35,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b [2021-11-02 21:26:35,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 21:26:35,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 21:26:35,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 21:26:35,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 21:26:35,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 21:26:35,690 INFO L432 ainManager$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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-02 21:26:35,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022db3bd8/8aedeb6c2bf34220a04b11a17c962df2/FLAG6964da875 [2021-11-02 21:26:36,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 21:26:36,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-02 21:26:36,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022db3bd8/8aedeb6c2bf34220a04b11a17c962df2/FLAG6964da875 [2021-11-02 21:26:36,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022db3bd8/8aedeb6c2bf34220a04b11a17c962df2 [2021-11-02 21:26:36,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 21:26:36,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 21:26:36,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 21:26:36,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 21:26:36,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 21:26:36,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:26:36" (1/1) ... [2021-11-02 21:26:36,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283a838f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:36, skipping insertion in model container [2021-11-02 21:26:36,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:26:36" (1/1) ... [2021-11-02 21:26:36,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 21:26:36,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 21:26:37,415 WARN L228 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-11-02 21:26:37,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 21:26:37,529 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 21:26:37,634 WARN L228 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-11-02 21:26:37,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 21:26:37,684 INFO L208 MainTranslator]: Completed translation [2021-11-02 21:26:37,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37 WrapperNode [2021-11-02 21:26:37,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 21:26:37,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 21:26:37,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 21:26:37,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 21:26:37,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 21:26:37,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 21:26:37,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 21:26:37,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 21:26:37,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 21:26:37,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 21:26:37,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 21:26:37,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 21:26:37,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (1/1) ... [2021-11-02 21:26:37,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 21:26:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 21:26:37,933 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) [2021-11-02 21:26:37,982 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 [2021-11-02 21:26:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 21:26:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 21:26:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 21:26:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 21:26:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 21:26:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 21:26:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 21:26:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 21:26:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 21:26:38,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 21:26:38,742 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2021-11-02 21:26:38,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:26:38 BoogieIcfgContainer [2021-11-02 21:26:38,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 21:26:38,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 21:26:38,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 21:26:38,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 21:26:38,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:26:36" (1/3) ... [2021-11-02 21:26:38,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a52d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:26:38, skipping insertion in model container [2021-11-02 21:26:38,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:26:37" (2/3) ... [2021-11-02 21:26:38,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a52d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:26:38, skipping insertion in model container [2021-11-02 21:26:38,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:26:38" (3/3) ... [2021-11-02 21:26:38,752 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-02 21:26:38,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 21:26:38,757 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-02 21:26:38,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 21:26:38,804 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 [2021-11-02 21:26:38,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-02 21:26:38,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 150 states have (on average 1.5) internal successors, (225), 156 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-02 21:26:38,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:38,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:38,834 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:38,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2021-11-02 21:26:38,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:38,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963781720] [2021-11-02 21:26:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:38,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 21:26:39,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:39,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963781720] [2021-11-02 21:26:39,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963781720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:39,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:39,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 21:26:39,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401277040] [2021-11-02 21:26:39,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 21:26:39,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:39,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 21:26:39,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 21:26:39,324 INFO L87 Difference]: Start difference. First operand has 157 states, 150 states have (on average 1.5) internal successors, (225), 156 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:39,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:39,653 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2021-11-02 21:26:39,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 21:26:39,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-02 21:26:39,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:39,665 INFO L225 Difference]: With dead ends: 310 [2021-11-02 21:26:39,665 INFO L226 Difference]: Without dead ends: 144 [2021-11-02 21:26:39,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 21:26:39,671 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 222.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 273.79ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:39,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 203 Unknown, 0 Unchecked, 2.01ms Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 273.79ms Time] [2021-11-02 21:26:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-02 21:26:39,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-11-02 21:26:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 138 states have (on average 1.3768115942028984) internal successors, (190), 143 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2021-11-02 21:26:39,702 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2021-11-02 21:26:39,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:39,702 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2021-11-02 21:26:39,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2021-11-02 21:26:39,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-02 21:26:39,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:39,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:39,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 21:26:39,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:39,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:39,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2021-11-02 21:26:39,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:39,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083050057] [2021-11-02 21:26:39,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:39,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 21:26:39,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:39,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083050057] [2021-11-02 21:26:39,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083050057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:39,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:39,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 21:26:39,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359682081] [2021-11-02 21:26:39,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:39,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:39,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:39,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:39,853 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:40,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:40,174 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2021-11-02 21:26:40,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:40,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-02 21:26:40,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:40,177 INFO L225 Difference]: With dead ends: 261 [2021-11-02 21:26:40,177 INFO L226 Difference]: Without dead ends: 145 [2021-11-02 21:26:40,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.75ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:40,178 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 230.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 303.65ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:40,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 379 Unknown, 0 Unchecked, 2.34ms Time], IncrementalHoareTripleChecker [0 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 303.65ms Time] [2021-11-02 21:26:40,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-02 21:26:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2021-11-02 21:26:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 139 states have (on average 1.3741007194244603) internal successors, (191), 144 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2021-11-02 21:26:40,203 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 39 [2021-11-02 21:26:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:40,203 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2021-11-02 21:26:40,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2021-11-02 21:26:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-02 21:26:40,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:40,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:40,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 21:26:40,205 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1950098240, now seen corresponding path program 1 times [2021-11-02 21:26:40,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:40,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072501280] [2021-11-02 21:26:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:40,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 21:26:40,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:40,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072501280] [2021-11-02 21:26:40,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072501280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:40,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:40,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 21:26:40,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526510723] [2021-11-02 21:26:40,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:40,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:40,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:40,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:40,375 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:40,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:40,685 INFO L93 Difference]: Finished difference Result 348 states and 480 transitions. [2021-11-02 21:26:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-02 21:26:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:40,690 INFO L225 Difference]: With dead ends: 348 [2021-11-02 21:26:40,690 INFO L226 Difference]: Without dead ends: 234 [2021-11-02 21:26:40,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:40,693 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 155 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 220.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.90ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 290.21ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:40,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 0 Invalid, 350 Unknown, 0 Unchecked, 2.90ms Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 290.21ms Time] [2021-11-02 21:26:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-11-02 21:26:40,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 220. [2021-11-02 21:26:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.4345794392523366) internal successors, (307), 219 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 307 transitions. [2021-11-02 21:26:40,709 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 307 transitions. Word has length 40 [2021-11-02 21:26:40,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:40,710 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 307 transitions. [2021-11-02 21:26:40,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 307 transitions. [2021-11-02 21:26:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-02 21:26:40,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:40,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:40,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 21:26:40,713 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:40,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash 869027123, now seen corresponding path program 1 times [2021-11-02 21:26:40,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:40,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004804227] [2021-11-02 21:26:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:40,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 21:26:40,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:40,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004804227] [2021-11-02 21:26:40,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004804227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:40,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:40,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 21:26:40,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126921286] [2021-11-02 21:26:40,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:40,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:40,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:40,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:40,864 INFO L87 Difference]: Start difference. First operand 220 states and 307 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:41,179 INFO L93 Difference]: Finished difference Result 565 states and 822 transitions. [2021-11-02 21:26:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:41,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-02 21:26:41,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:41,181 INFO L225 Difference]: With dead ends: 565 [2021-11-02 21:26:41,181 INFO L226 Difference]: Without dead ends: 376 [2021-11-02 21:26:41,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:41,182 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 134 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 235.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 301.71ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:41,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 0 Invalid, 402 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [3 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 301.71ms Time] [2021-11-02 21:26:41,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-02 21:26:41,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-02 21:26:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 366 states have (on average 1.4726775956284153) internal successors, (539), 371 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 539 transitions. [2021-11-02 21:26:41,206 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 539 transitions. Word has length 43 [2021-11-02 21:26:41,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:41,208 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 539 transitions. [2021-11-02 21:26:41,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 539 transitions. [2021-11-02 21:26:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-02 21:26:41,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:41,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:41,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 21:26:41,214 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1792627705, now seen corresponding path program 1 times [2021-11-02 21:26:41,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:41,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968253551] [2021-11-02 21:26:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:41,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 21:26:41,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:41,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968253551] [2021-11-02 21:26:41,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968253551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:41,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:41,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 21:26:41,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397447153] [2021-11-02 21:26:41,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:41,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:41,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:41,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:41,363 INFO L87 Difference]: Start difference. First operand 372 states and 539 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:41,493 INFO L93 Difference]: Finished difference Result 372 states and 539 transitions. [2021-11-02 21:26:41,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:41,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-02 21:26:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:41,495 INFO L225 Difference]: With dead ends: 372 [2021-11-02 21:26:41,495 INFO L226 Difference]: Without dead ends: 370 [2021-11-02 21:26:41,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:41,495 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 138 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.70ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:41,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 0 Invalid, 188 Unknown, 0 Unchecked, 0.35ms Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 120.70ms Time] [2021-11-02 21:26:41,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-11-02 21:26:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2021-11-02 21:26:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 365 states have (on average 1.4712328767123288) internal successors, (537), 369 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 537 transitions. [2021-11-02 21:26:41,505 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 537 transitions. Word has length 52 [2021-11-02 21:26:41,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:41,505 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 537 transitions. [2021-11-02 21:26:41,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 537 transitions. [2021-11-02 21:26:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-02 21:26:41,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:41,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:41,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 21:26:41,506 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash -263109461, now seen corresponding path program 1 times [2021-11-02 21:26:41,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:41,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908431174] [2021-11-02 21:26:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:41,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 21:26:41,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:41,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908431174] [2021-11-02 21:26:41,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908431174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:41,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:41,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 21:26:41,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102923705] [2021-11-02 21:26:41,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:41,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:41,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:41,640 INFO L87 Difference]: Start difference. First operand 370 states and 537 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:41,789 INFO L93 Difference]: Finished difference Result 370 states and 537 transitions. [2021-11-02 21:26:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:41,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-02 21:26:41,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:41,791 INFO L225 Difference]: With dead ends: 370 [2021-11-02 21:26:41,792 INFO L226 Difference]: Without dead ends: 368 [2021-11-02 21:26:41,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:41,793 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 135 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.20ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:41,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 0 Invalid, 186 Unknown, 0 Unchecked, 0.35ms Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 139.20ms Time] [2021-11-02 21:26:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-02 21:26:41,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-11-02 21:26:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 364 states have (on average 1.4697802197802199) internal successors, (535), 367 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 535 transitions. [2021-11-02 21:26:41,817 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 535 transitions. Word has length 53 [2021-11-02 21:26:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:41,817 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 535 transitions. [2021-11-02 21:26:41,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 535 transitions. [2021-11-02 21:26:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-02 21:26:41,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:41,818 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:41,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 21:26:41,818 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:41,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:41,819 INFO L85 PathProgramCache]: Analyzing trace with hash 433547843, now seen corresponding path program 1 times [2021-11-02 21:26:41,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:41,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055939847] [2021-11-02 21:26:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:41,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 21:26:41,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:41,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055939847] [2021-11-02 21:26:41,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055939847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:41,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:41,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 21:26:41,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765634642] [2021-11-02 21:26:41,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:41,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:41,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:41,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:41,925 INFO L87 Difference]: Start difference. First operand 368 states and 535 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:42,092 INFO L93 Difference]: Finished difference Result 368 states and 535 transitions. [2021-11-02 21:26:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-02 21:26:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:42,094 INFO L225 Difference]: With dead ends: 368 [2021-11-02 21:26:42,094 INFO L226 Difference]: Without dead ends: 366 [2021-11-02 21:26:42,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:42,095 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 157.17ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:42,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 184 Unknown, 0 Unchecked, 0.34ms Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 157.17ms Time] [2021-11-02 21:26:42,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-02 21:26:42,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-02 21:26:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 363 states have (on average 1.4683195592286502) internal successors, (533), 365 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 533 transitions. [2021-11-02 21:26:42,105 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 533 transitions. Word has length 54 [2021-11-02 21:26:42,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:42,106 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 533 transitions. [2021-11-02 21:26:42,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 533 transitions. [2021-11-02 21:26:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-02 21:26:42,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:42,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:42,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 21:26:42,107 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:42,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:42,108 INFO L85 PathProgramCache]: Analyzing trace with hash 555087797, now seen corresponding path program 1 times [2021-11-02 21:26:42,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:42,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100289073] [2021-11-02 21:26:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:42,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 21:26:42,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:42,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100289073] [2021-11-02 21:26:42,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100289073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:42,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:42,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 21:26:42,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206961911] [2021-11-02 21:26:42,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:42,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:42,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:42,232 INFO L87 Difference]: Start difference. First operand 366 states and 533 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:42,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:42,533 INFO L93 Difference]: Finished difference Result 1026 states and 1527 transitions. [2021-11-02 21:26:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:42,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-02 21:26:42,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:42,536 INFO L225 Difference]: With dead ends: 1026 [2021-11-02 21:26:42,537 INFO L226 Difference]: Without dead ends: 685 [2021-11-02 21:26:42,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:42,538 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 123 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 220.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 277.86ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:42,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 0 Invalid, 348 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [4 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 277.86ms Time] [2021-11-02 21:26:42,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2021-11-02 21:26:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 680. [2021-11-02 21:26:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 677 states have (on average 1.4874446085672082) internal successors, (1007), 679 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1007 transitions. [2021-11-02 21:26:42,553 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1007 transitions. Word has length 55 [2021-11-02 21:26:42,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:42,553 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1007 transitions. [2021-11-02 21:26:42,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1007 transitions. [2021-11-02 21:26:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-02 21:26:42,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:42,555 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:42,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 21:26:42,555 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:42,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:42,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2118188475, now seen corresponding path program 1 times [2021-11-02 21:26:42,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:42,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911610156] [2021-11-02 21:26:42,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:42,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 21:26:42,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:42,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911610156] [2021-11-02 21:26:42,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911610156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:42,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:42,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 21:26:42,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583188159] [2021-11-02 21:26:42,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 21:26:42,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 21:26:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:42,668 INFO L87 Difference]: Start difference. First operand 680 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:43,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:43,027 INFO L93 Difference]: Finished difference Result 1329 states and 1982 transitions. [2021-11-02 21:26:43,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 21:26:43,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-02 21:26:43,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:43,030 INFO L225 Difference]: With dead ends: 1329 [2021-11-02 21:26:43,030 INFO L226 Difference]: Without dead ends: 680 [2021-11-02 21:26:43,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 21:26:43,032 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 142 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 255.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 327.50ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:43,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 0 Invalid, 483 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [1 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 327.50ms Time] [2021-11-02 21:26:43,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-02 21:26:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 679. [2021-11-02 21:26:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 676 states have (on average 1.482248520710059) internal successors, (1002), 678 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1002 transitions. [2021-11-02 21:26:43,088 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1002 transitions. Word has length 67 [2021-11-02 21:26:43,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:43,090 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 1002 transitions. [2021-11-02 21:26:43,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1002 transitions. [2021-11-02 21:26:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-02 21:26:43,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:43,092 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:43,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 21:26:43,092 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:43,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:43,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1998629966, now seen corresponding path program 1 times [2021-11-02 21:26:43,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:43,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091467549] [2021-11-02 21:26:43,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:43,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 21:26:43,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:43,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091467549] [2021-11-02 21:26:43,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091467549] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 21:26:43,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048348866] [2021-11-02 21:26:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:43,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 21:26:43,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 21:26:43,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 21:26:43,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 21:26:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:43,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 21:26:43,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 21:26:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 21:26:43,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 21:26:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 21:26:43,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048348866] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 21:26:43,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-02 21:26:43,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-02 21:26:43,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131639016] [2021-11-02 21:26:43,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 21:26:43,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:43,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 21:26:43,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-02 21:26:43,940 INFO L87 Difference]: Start difference. First operand 679 states and 1002 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:44,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:44,419 INFO L93 Difference]: Finished difference Result 1332 states and 1980 transitions. [2021-11-02 21:26:44,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 21:26:44,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-02 21:26:44,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:44,422 INFO L225 Difference]: With dead ends: 1332 [2021-11-02 21:26:44,422 INFO L226 Difference]: Without dead ends: 682 [2021-11-02 21:26:44,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.99ms TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-02 21:26:44,424 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 356.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 452.53ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:44,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 920 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [3 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 452.53ms Time] [2021-11-02 21:26:44,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2021-11-02 21:26:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2021-11-02 21:26:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 679 states have (on average 1.480117820324006) internal successors, (1005), 681 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1005 transitions. [2021-11-02 21:26:44,439 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1005 transitions. Word has length 68 [2021-11-02 21:26:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:44,439 INFO L470 AbstractCegarLoop]: Abstraction has 682 states and 1005 transitions. [2021-11-02 21:26:44,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1005 transitions. [2021-11-02 21:26:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-02 21:26:44,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:44,441 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:44,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 21:26:44,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-02 21:26:44,660 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:44,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1715330874, now seen corresponding path program 2 times [2021-11-02 21:26:44,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:44,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011624642] [2021-11-02 21:26:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:44,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-02 21:26:44,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:44,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011624642] [2021-11-02 21:26:44,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011624642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:44,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:44,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 21:26:44,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782046742] [2021-11-02 21:26:44,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 21:26:44,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:44,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 21:26:44,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 21:26:44,801 INFO L87 Difference]: Start difference. First operand 682 states and 1005 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:45,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:45,964 INFO L93 Difference]: Finished difference Result 2542 states and 3827 transitions. [2021-11-02 21:26:45,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 21:26:45,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-02 21:26:45,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:45,971 INFO L225 Difference]: With dead ends: 2542 [2021-11-02 21:26:45,972 INFO L226 Difference]: Without dead ends: 1894 [2021-11-02 21:26:45,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.15ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-02 21:26:45,975 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1184 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 826.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1042.23ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:45,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1184 Valid, 0 Invalid, 2272 Unknown, 0 Unchecked, 7.52ms Time], IncrementalHoareTripleChecker [1 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 1042.23ms Time] [2021-11-02 21:26:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2021-11-02 21:26:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 683. [2021-11-02 21:26:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 681 states have (on average 1.475770925110132) internal successors, (1005), 682 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2021-11-02 21:26:46,005 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 71 [2021-11-02 21:26:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:46,005 INFO L470 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2021-11-02 21:26:46,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2021-11-02 21:26:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-02 21:26:46,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 21:26:46,012 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:46,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-02 21:26:46,012 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-02 21:26:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 21:26:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash -816408465, now seen corresponding path program 1 times [2021-11-02 21:26:46,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 21:26:46,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260293575] [2021-11-02 21:26:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 21:26:46,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 21:26:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 21:26:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-02 21:26:46,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 21:26:46,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260293575] [2021-11-02 21:26:46,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260293575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 21:26:46,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 21:26:46,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 21:26:46,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68006058] [2021-11-02 21:26:46,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 21:26:46,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 21:26:46,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 21:26:46,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 21:26:46,138 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 21:26:46,587 INFO L93 Difference]: Finished difference Result 974 states and 1452 transitions. [2021-11-02 21:26:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 21:26:46,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-02 21:26:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 21:26:46,588 INFO L225 Difference]: With dead ends: 974 [2021-11-02 21:26:46,588 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 21:26:46,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.63ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 21:26:46,589 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 381 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 315.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 402.22ms IncrementalHoareTripleChecker+Time [2021-11-02 21:26:46,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 0 Invalid, 793 Unknown, 0 Unchecked, 1.96ms Time], IncrementalHoareTripleChecker [0 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 402.22ms Time] [2021-11-02 21:26:46,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 21:26:46,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 21:26:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 21:26:46,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-11-02 21:26:46,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 21:26:46,591 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 21:26:46,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 21:26:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 21:26:46,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 21:26:46,593 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-02 21:26:46,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-02 21:26:46,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-11-02 21:26:46,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-02 21:26:46,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-02 21:26:46,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-02 21:26:46,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 21:26:46,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 21:26:46,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 21:26:46,930 INFO L858 garLoopResultBuilder]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L854 garLoopResultBuilder]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-11-02 21:26:46,931 INFO L854 garLoopResultBuilder]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,931 INFO L858 garLoopResultBuilder]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L854 garLoopResultBuilder]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L858 garLoopResultBuilder]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-11-02 21:26:46,932 INFO L854 garLoopResultBuilder]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,933 INFO L861 garLoopResultBuilder]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L854 garLoopResultBuilder]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,933 INFO L854 garLoopResultBuilder]: At program point L6153(lines 6965 6968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L854 garLoopResultBuilder]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ULTIMATE.start_m5632_recover_~r~0 0) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0)) [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-02 21:26:46,933 INFO L854 garLoopResultBuilder]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,934 INFO L854 garLoopResultBuilder]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,934 INFO L854 garLoopResultBuilder]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,934 INFO L858 garLoopResultBuilder]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-11-02 21:26:46,934 INFO L858 garLoopResultBuilder]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-11-02 21:26:46,934 INFO L854 garLoopResultBuilder]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 .cse1 .cse2 (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_udev~0 1)) (and .cse0 .cse1 .cse2 (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0)))) [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L861 garLoopResultBuilder]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2021-11-02 21:26:46,934 INFO L858 garLoopResultBuilder]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ULTIMATE.start_m5632_recover_~r~0 0) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0)) [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L6326(lines 1 7033) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L861 garLoopResultBuilder]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L858 garLoopResultBuilder]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L5765-2(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L5765-3(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L5765(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L5765-1(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,935 INFO L854 garLoopResultBuilder]: At program point L5765-4(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,936 INFO L854 garLoopResultBuilder]: At program point L5765-5(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L854 garLoopResultBuilder]: At program point L6922(lines 1 7033) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,936 INFO L854 garLoopResultBuilder]: At program point L6988(lines 6987 6989) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L854 garLoopResultBuilder]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 .cse1 .cse2 (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 1) 0) (= ~ldv_mutex_udev~0 1)) (and .cse0 .cse1 .cse2 (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0)))) [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L854 garLoopResultBuilder]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-11-02 21:26:46,936 INFO L858 garLoopResultBuilder]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L854 garLoopResultBuilder]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6332(line 6332) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L854 garLoopResultBuilder]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0)) [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-11-02 21:26:46,937 INFO L854 garLoopResultBuilder]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,937 INFO L854 garLoopResultBuilder]: At program point L5773(lines 5768 5775) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,937 INFO L858 garLoopResultBuilder]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L854 garLoopResultBuilder]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,938 INFO L854 garLoopResultBuilder]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,938 INFO L854 garLoopResultBuilder]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,938 INFO L854 garLoopResultBuilder]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L854 garLoopResultBuilder]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-11-02 21:26:46,938 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L854 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L854 garLoopResultBuilder]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,939 INFO L854 garLoopResultBuilder]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-11-02 21:26:46,939 INFO L858 garLoopResultBuilder]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-11-02 21:26:46,944 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 21:26:46,945 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 21:26:46,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:26:46 BoogieIcfgContainer [2021-11-02 21:26:46,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 21:26:46,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 21:26:46,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 21:26:46,963 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 21:26:46,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:26:38" (3/4) ... [2021-11-02 21:26:46,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 21:26:46,983 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-11-02 21:26:46,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-02 21:26:46,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-02 21:26:46,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 21:26:46,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 21:26:47,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) [2021-11-02 21:26:47,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && \result + 1 <= 0) && ldv_mutex_udev == 1) || (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0) [2021-11-02 21:26:47,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1 [2021-11-02 21:26:47,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 [2021-11-02 21:26:47,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 [2021-11-02 21:26:47,177 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-02 21:26:47,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 21:26:47,178 INFO L158 Benchmark]: Toolchain (without parser) took 10408.98ms. Allocated memory was 102.8MB in the beginning and 297.8MB in the end (delta: 195.0MB). Free memory was 59.5MB in the beginning and 109.2MB in the end (delta: -49.7MB). Peak memory consumption was 191.0MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,178 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 33.4MB in the beginning and 33.4MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-02 21:26:47,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.71ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 68.3MB in the end (delta: -9.0MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.90ms. Allocated memory is still 123.7MB. Free memory was 68.3MB in the beginning and 59.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,179 INFO L158 Benchmark]: Boogie Preprocessor took 101.05ms. Allocated memory is still 123.7MB. Free memory was 59.4MB in the beginning and 50.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,179 INFO L158 Benchmark]: RCFGBuilder took 837.47ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 50.0MB in the beginning and 119.6MB in the end (delta: -69.6MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,179 INFO L158 Benchmark]: TraceAbstraction took 8216.77ms. Allocated memory was 186.6MB in the beginning and 297.8MB in the end (delta: 111.1MB). Free memory was 118.6MB in the beginning and 92.6MB in the end (delta: 25.9MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,179 INFO L158 Benchmark]: Witness Printer took 214.18ms. Allocated memory is still 297.8MB. Free memory was 92.6MB in the beginning and 109.2MB in the end (delta: -16.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-11-02 21:26:47,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 33.4MB in the beginning and 33.4MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 915.71ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 68.3MB in the end (delta: -9.0MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.90ms. Allocated memory is still 123.7MB. Free memory was 68.3MB in the beginning and 59.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.05ms. Allocated memory is still 123.7MB. Free memory was 59.4MB in the beginning and 50.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 837.47ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 50.0MB in the beginning and 119.6MB in the end (delta: -69.6MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8216.77ms. Allocated memory was 186.6MB in the beginning and 297.8MB in the end (delta: 111.1MB). Free memory was 118.6MB in the beginning and 92.6MB in the end (delta: 25.9MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. * Witness Printer took 214.18ms. Allocated memory is still 297.8MB. Free memory was 92.6MB in the beginning and 109.2MB in the end (delta: -16.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8147.94ms, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 36.12ms, AutomataDifference: 4592.31ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 335.47ms, InitialAbstractionConstructionTime: 10.15ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2524 SdHoareTripleChecker+Valid, 4088.78ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2524 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 3225.75ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3813 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6694 IncrementalHoareTripleChecker+Invalid, 6708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 9 mSDtfsCounter, 6694 mSolverCounterSat, 23.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 109.47ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=683occurred in iteration=11, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 234.20ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1235 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 207 NumberOfFragments, 634 HoareAnnotationTreeSize, 48 FomulaSimplifications, 10398 FormulaSimplificationTreeSizeReduction, 125.48ms HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 198.80ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 133.74ms SsaConstructionTime, 824.64ms SatisfiabilityAnalysisTime, 1368.67ms InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1929 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 49/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7019]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7027]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6965]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6336]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev - InvariantResult [Line: 6940]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7004]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5768]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6307]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: (((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && \result + 1 <= 0) && ldv_mutex_udev == 1) || (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0) - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7012]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 RESULT: Ultimate proved your program to be correct! [2021-11-02 21:26:47,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE