./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 fcb8e130 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-dev-fcb8e13 [2021-11-23 00:59:16,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:16,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:16,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:16,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:16,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:16,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:16,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:16,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:16,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:16,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:16,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:16,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:16,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:16,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:16,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:16,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:16,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:16,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:16,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:16,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:16,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:16,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:16,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:16,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:16,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:16,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:16,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:16,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:16,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:16,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:16,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:16,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:16,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:16,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:16,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:16,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:16,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:16,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:16,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:16,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:16,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 00:59:16,639 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:16,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:16,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 00:59:16,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 00:59:16,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:16,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:16,643 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 00:59:16,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:16,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:16,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:16,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:16,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:16,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:16,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:16,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:16,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:16,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:16,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 00:59:16,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 00:59:16,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 00:59:16,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:16,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:16,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:16,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 00:59:16,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:16,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 00:59:16,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 00:59:16,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:16,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 00:59:16,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b [2021-11-23 00:59:16,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:16,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:16,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:16,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:16,878 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:16,879 INFO L432 ainManager$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 [2021-11-23 00:59:16,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339af9911/dcae0ad3ace34fc9964a490e150017f5/FLAG9a73eab3d [2021-11-23 00:59:17,417 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:17,418 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 [2021-11-23 00:59:17,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339af9911/dcae0ad3ace34fc9964a490e150017f5/FLAG9a73eab3d [2021-11-23 00:59:17,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339af9911/dcae0ad3ace34fc9964a490e150017f5 [2021-11-23 00:59:17,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:17,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:17,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:17,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:17,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:17,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:17" (1/1) ... [2021-11-23 00:59:17,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d122521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:17, skipping insertion in model container [2021-11-23 00:59:17,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:17" (1/1) ... [2021-11-23 00:59:17,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:17,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:18,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-11-23 00:59:18,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:18,461 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:18,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-11-23 00:59:18,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:18,658 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:18,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18 WrapperNode [2021-11-23 00:59:18,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:18,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:18,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:18,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:18,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,797 INFO L137 Inliner]: procedures = 117, calls = 568, calls flagged for inlining = 139, calls inlined = 71, statements flattened = 1253 [2021-11-23 00:59:18,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:18,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:18,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:18,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:18,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:18,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:18,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:18,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:18,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (1/1) ... [2021-11-23 00:59:18,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 00:59:18,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 00:59:18,920 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) [2021-11-23 00:59:18,939 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 [2021-11-23 00:59:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:59:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:19,191 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:19,192 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:19,870 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:19,877 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:19,877 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:59:19,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:19 BoogieIcfgContainer [2021-11-23 00:59:19,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:19,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 00:59:19,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 00:59:19,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 00:59:19,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:59:17" (1/3) ... [2021-11-23 00:59:19,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5da922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:19, skipping insertion in model container [2021-11-23 00:59:19,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:18" (2/3) ... [2021-11-23 00:59:19,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5da922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:19, skipping insertion in model container [2021-11-23 00:59:19,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:19" (3/3) ... [2021-11-23 00:59:19,886 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-23 00:59:19,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 00:59:19,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 00:59:19,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 00:59:19,933 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 [2021-11-23 00:59:19,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 00:59:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 161 states have (on average 1.4658385093167703) internal successors, (236), 167 states have internal predecessors, (236), 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) [2021-11-23 00:59:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:59:19,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:19,961 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] [2021-11-23 00:59:19,962 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)] === [2021-11-23 00:59:19,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:19,965 INFO L85 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2021-11-23 00:59:19,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:19,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579895250] [2021-11-23 00:59:19,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:19,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:20,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:20,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579895250] [2021-11-23 00:59:20,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579895250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:20,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:20,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 00:59:20,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274772559] [2021-11-23 00:59:20,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:20,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 00:59:20,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:20,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 00:59:20,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 00:59:20,373 INFO L87 Difference]: Start difference. First operand has 168 states, 161 states have (on average 1.4658385093167703) internal successors, (236), 167 states have internal predecessors, (236), 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) [2021-11-23 00:59:20,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:20,406 INFO L93 Difference]: Finished difference Result 326 states and 461 transitions. [2021-11-23 00:59:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 00:59:20,409 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 [2021-11-23 00:59:20,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:20,416 INFO L225 Difference]: With dead ends: 326 [2021-11-23 00:59:20,416 INFO L226 Difference]: Without dead ends: 149 [2021-11-23 00:59:20,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 00:59:20,420 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:20,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-23 00:59:20,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2021-11-23 00:59:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 143 states have (on average 1.3636363636363635) internal successors, (195), 148 states have internal predecessors, (195), 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) [2021-11-23 00:59:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 195 transitions. [2021-11-23 00:59:20,453 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 195 transitions. Word has length 39 [2021-11-23 00:59:20,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:20,454 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 195 transitions. [2021-11-23 00:59:20,454 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) [2021-11-23 00:59:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 195 transitions. [2021-11-23 00:59:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:59:20,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:20,455 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] [2021-11-23 00:59:20,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 00:59:20,456 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)] === [2021-11-23 00:59:20,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2021-11-23 00:59:20,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:20,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055637160] [2021-11-23 00:59:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:20,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:20,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:20,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055637160] [2021-11-23 00:59:20,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055637160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:20,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:20,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:59:20,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838970793] [2021-11-23 00:59:20,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:20,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:20,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:20,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:20,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:20,621 INFO L87 Difference]: Start difference. First operand 149 states and 195 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) [2021-11-23 00:59:20,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:20,691 INFO L93 Difference]: Finished difference Result 359 states and 491 transitions. [2021-11-23 00:59:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:20,691 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 [2021-11-23 00:59:20,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:20,694 INFO L225 Difference]: With dead ends: 359 [2021-11-23 00:59:20,695 INFO L226 Difference]: Without dead ends: 240 [2021-11-23 00:59:20,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:20,697 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 157 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:20,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 354 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:20,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-23 00:59:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 224. [2021-11-23 00:59:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 218 states have (on average 1.426605504587156) internal successors, (311), 223 states have internal predecessors, (311), 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) [2021-11-23 00:59:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 311 transitions. [2021-11-23 00:59:20,711 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 311 transitions. Word has length 39 [2021-11-23 00:59:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:20,712 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 311 transitions. [2021-11-23 00:59:20,712 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) [2021-11-23 00:59:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 311 transitions. [2021-11-23 00:59:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:59:20,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:20,713 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, 1] [2021-11-23 00:59:20,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 00:59:20,713 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:59:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:20,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1414388184, now seen corresponding path program 1 times [2021-11-23 00:59:20,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:20,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977488699] [2021-11-23 00:59:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:20,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:20,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:20,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977488699] [2021-11-23 00:59:20,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977488699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:20,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:20,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:59:20,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488784862] [2021-11-23 00:59:20,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:20,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:20,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:20,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:20,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:20,913 INFO L87 Difference]: Start difference. First operand 224 states and 311 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-23 00:59:20,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:20,956 INFO L93 Difference]: Finished difference Result 577 states and 834 transitions. [2021-11-23 00:59:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:20,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-11-23 00:59:20,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:20,958 INFO L225 Difference]: With dead ends: 577 [2021-11-23 00:59:20,958 INFO L226 Difference]: Without dead ends: 383 [2021-11-23 00:59:20,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:20,960 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 137 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:20,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 402 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-11-23 00:59:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2021-11-23 00:59:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 373 states have (on average 1.4638069705093835) internal successors, (546), 378 states have internal predecessors, (546), 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) [2021-11-23 00:59:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 546 transitions. [2021-11-23 00:59:20,974 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 546 transitions. Word has length 44 [2021-11-23 00:59:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:20,974 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 546 transitions. [2021-11-23 00:59:20,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-23 00:59:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 546 transitions. [2021-11-23 00:59:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:59:20,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:20,976 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] [2021-11-23 00:59:20,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 00:59:20,976 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)] === [2021-11-23 00:59:20,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash -92121922, now seen corresponding path program 1 times [2021-11-23 00:59:20,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:20,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841952287] [2021-11-23 00:59:20,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:20,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:21,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841952287] [2021-11-23 00:59:21,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841952287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:21,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:21,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:59:21,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166949749] [2021-11-23 00:59:21,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:21,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:21,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:21,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:21,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,162 INFO L87 Difference]: Start difference. First operand 379 states and 546 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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) [2021-11-23 00:59:21,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:21,194 INFO L93 Difference]: Finished difference Result 405 states and 570 transitions. [2021-11-23 00:59:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:21,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 [2021-11-23 00:59:21,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:21,195 INFO L225 Difference]: With dead ends: 405 [2021-11-23 00:59:21,196 INFO L226 Difference]: Without dead ends: 392 [2021-11-23 00:59:21,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,197 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 190 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:21,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 218 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:21,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-11-23 00:59:21,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 379. [2021-11-23 00:59:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 373 states have (on average 1.4611260053619304) internal successors, (545), 378 states have internal predecessors, (545), 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) [2021-11-23 00:59:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 545 transitions. [2021-11-23 00:59:21,218 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 545 transitions. Word has length 52 [2021-11-23 00:59:21,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:21,219 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 545 transitions. [2021-11-23 00:59:21,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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) [2021-11-23 00:59:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 545 transitions. [2021-11-23 00:59:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:59:21,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:21,227 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] [2021-11-23 00:59:21,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 00:59:21,227 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)] === [2021-11-23 00:59:21,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash -90274880, now seen corresponding path program 1 times [2021-11-23 00:59:21,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:21,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031633174] [2021-11-23 00:59:21,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:21,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:21,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031633174] [2021-11-23 00:59:21,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031633174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:21,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:21,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 00:59:21,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618431275] [2021-11-23 00:59:21,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:21,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:21,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:21,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:21,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,383 INFO L87 Difference]: Start difference. First operand 379 states and 545 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) [2021-11-23 00:59:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:21,388 INFO L93 Difference]: Finished difference Result 379 states and 545 transitions. [2021-11-23 00:59:21,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:21,389 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 [2021-11-23 00:59:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:21,390 INFO L225 Difference]: With dead ends: 379 [2021-11-23 00:59:21,390 INFO L226 Difference]: Without dead ends: 377 [2021-11-23 00:59:21,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,391 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 143 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:21,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:21,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-11-23 00:59:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2021-11-23 00:59:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 372 states have (on average 1.4596774193548387) internal successors, (543), 376 states have internal predecessors, (543), 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) [2021-11-23 00:59:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 543 transitions. [2021-11-23 00:59:21,399 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 543 transitions. Word has length 52 [2021-11-23 00:59:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:21,400 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 543 transitions. [2021-11-23 00:59:21,400 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) [2021-11-23 00:59:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 543 transitions. [2021-11-23 00:59:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:59:21,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:21,401 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] [2021-11-23 00:59:21,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 00:59:21,402 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)] === [2021-11-23 00:59:21,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1496453548, now seen corresponding path program 1 times [2021-11-23 00:59:21,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:21,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032942694] [2021-11-23 00:59:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:21,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:21,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032942694] [2021-11-23 00:59:21,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032942694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:21,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:21,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 00:59:21,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557757099] [2021-11-23 00:59:21,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:21,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:21,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:21,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:21,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,529 INFO L87 Difference]: Start difference. First operand 377 states and 543 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) [2021-11-23 00:59:21,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:21,535 INFO L93 Difference]: Finished difference Result 377 states and 543 transitions. [2021-11-23 00:59:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:21,535 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 [2021-11-23 00:59:21,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:21,537 INFO L225 Difference]: With dead ends: 377 [2021-11-23 00:59:21,537 INFO L226 Difference]: Without dead ends: 375 [2021-11-23 00:59:21,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,539 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 140 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:21,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:21,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-23 00:59:21,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2021-11-23 00:59:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 371 states have (on average 1.45822102425876) internal successors, (541), 374 states have internal predecessors, (541), 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) [2021-11-23 00:59:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 541 transitions. [2021-11-23 00:59:21,547 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 541 transitions. Word has length 53 [2021-11-23 00:59:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:21,547 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 541 transitions. [2021-11-23 00:59:21,547 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) [2021-11-23 00:59:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 541 transitions. [2021-11-23 00:59:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:59:21,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:21,548 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] [2021-11-23 00:59:21,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 00:59:21,548 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)] === [2021-11-23 00:59:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:21,549 INFO L85 PathProgramCache]: Analyzing trace with hash -854572725, now seen corresponding path program 1 times [2021-11-23 00:59:21,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:21,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029984148] [2021-11-23 00:59:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:21,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:21,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029984148] [2021-11-23 00:59:21,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029984148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:21,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:21,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 00:59:21,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197627134] [2021-11-23 00:59:21,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:21,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:21,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:21,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:21,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,676 INFO L87 Difference]: Start difference. First operand 375 states and 541 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) [2021-11-23 00:59:21,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:21,682 INFO L93 Difference]: Finished difference Result 375 states and 541 transitions. [2021-11-23 00:59:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:21,682 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 [2021-11-23 00:59:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:21,684 INFO L225 Difference]: With dead ends: 375 [2021-11-23 00:59:21,684 INFO L226 Difference]: Without dead ends: 373 [2021-11-23 00:59:21,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,684 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 137 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:21,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-23 00:59:21,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2021-11-23 00:59:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 370 states have (on average 1.4567567567567568) internal successors, (539), 372 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) [2021-11-23 00:59:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 539 transitions. [2021-11-23 00:59:21,692 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 539 transitions. Word has length 54 [2021-11-23 00:59:21,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:21,693 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 539 transitions. [2021-11-23 00:59:21,693 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) [2021-11-23 00:59:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 539 transitions. [2021-11-23 00:59:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:59:21,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:21,694 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] [2021-11-23 00:59:21,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 00:59:21,695 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)] === [2021-11-23 00:59:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:21,696 INFO L85 PathProgramCache]: Analyzing trace with hash -721943145, now seen corresponding path program 1 times [2021-11-23 00:59:21,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:21,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398121362] [2021-11-23 00:59:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:21,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:21,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398121362] [2021-11-23 00:59:21,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398121362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:21,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:21,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 00:59:21,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064702801] [2021-11-23 00:59:21,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:21,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:21,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:21,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:21,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,834 INFO L87 Difference]: Start difference. First operand 373 states and 539 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) [2021-11-23 00:59:21,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:21,853 INFO L93 Difference]: Finished difference Result 1043 states and 1541 transitions. [2021-11-23 00:59:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:21,854 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 [2021-11-23 00:59:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:21,856 INFO L225 Difference]: With dead ends: 1043 [2021-11-23 00:59:21,856 INFO L226 Difference]: Without dead ends: 692 [2021-11-23 00:59:21,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:21,857 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 128 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:21,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 344 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:21,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-11-23 00:59:21,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 687. [2021-11-23 00:59:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 684 states have (on average 1.4809941520467835) internal successors, (1013), 686 states have internal predecessors, (1013), 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) [2021-11-23 00:59:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1013 transitions. [2021-11-23 00:59:21,871 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1013 transitions. Word has length 55 [2021-11-23 00:59:21,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:21,893 INFO L470 AbstractCegarLoop]: Abstraction has 687 states and 1013 transitions. [2021-11-23 00:59:21,893 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) [2021-11-23 00:59:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1013 transitions. [2021-11-23 00:59:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:59:21,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:21,895 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] [2021-11-23 00:59:21,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 00:59:21,896 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)] === [2021-11-23 00:59:21,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash -693634798, now seen corresponding path program 1 times [2021-11-23 00:59:21,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:21,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390892828] [2021-11-23 00:59:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:21,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:22,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:22,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390892828] [2021-11-23 00:59:22,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390892828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:22,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:22,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:59:22,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606721272] [2021-11-23 00:59:22,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:22,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:59:22,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:22,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:59:22,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:22,025 INFO L87 Difference]: Start difference. First operand 687 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-23 00:59:22,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:22,070 INFO L93 Difference]: Finished difference Result 1344 states and 1995 transitions. [2021-11-23 00:59:22,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:59:22,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 66 [2021-11-23 00:59:22,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:22,076 INFO L225 Difference]: With dead ends: 1344 [2021-11-23 00:59:22,076 INFO L226 Difference]: Without dead ends: 687 [2021-11-23 00:59:22,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:59:22,078 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 144 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:22,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 483 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-11-23 00:59:22,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 686. [2021-11-23 00:59:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 683 states have (on average 1.4758418740849195) internal successors, (1008), 685 states have internal predecessors, (1008), 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) [2021-11-23 00:59:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1008 transitions. [2021-11-23 00:59:22,095 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1008 transitions. Word has length 66 [2021-11-23 00:59:22,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:22,096 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 1008 transitions. [2021-11-23 00:59:22,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-23 00:59:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1008 transitions. [2021-11-23 00:59:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:59:22,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:22,097 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] [2021-11-23 00:59:22,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 00:59:22,098 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)] === [2021-11-23 00:59:22,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:22,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1158244507, now seen corresponding path program 1 times [2021-11-23 00:59:22,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:22,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990346856] [2021-11-23 00:59:22,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:22,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:22,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:22,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990346856] [2021-11-23 00:59:22,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990346856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:22,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:22,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 00:59:22,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535580620] [2021-11-23 00:59:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:22,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 00:59:22,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 00:59:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 00:59:22,224 INFO L87 Difference]: Start difference. First operand 686 states and 1008 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 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) [2021-11-23 00:59:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:22,317 INFO L93 Difference]: Finished difference Result 2564 states and 3845 transitions. [2021-11-23 00:59:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 00:59:22,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 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 [2021-11-23 00:59:22,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:22,322 INFO L225 Difference]: With dead ends: 2564 [2021-11-23 00:59:22,322 INFO L226 Difference]: Without dead ends: 1908 [2021-11-23 00:59:22,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-23 00:59:22,323 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 1222 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 2271 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:22,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1222 Valid, 2271 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2021-11-23 00:59:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 687. [2021-11-23 00:59:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 685 states have (on average 1.4715328467153284) internal successors, (1008), 686 states have internal predecessors, (1008), 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) [2021-11-23 00:59:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1008 transitions. [2021-11-23 00:59:22,347 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1008 transitions. Word has length 67 [2021-11-23 00:59:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:22,347 INFO L470 AbstractCegarLoop]: Abstraction has 687 states and 1008 transitions. [2021-11-23 00:59:22,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 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) [2021-11-23 00:59:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1008 transitions. [2021-11-23 00:59:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:59:22,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:59:22,348 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 00:59:22,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 00:59:22,349 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:59:22,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:22,349 INFO L85 PathProgramCache]: Analyzing trace with hash 848951913, now seen corresponding path program 1 times [2021-11-23 00:59:22,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:59:22,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370419091] [2021-11-23 00:59:22,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:59:22,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:22,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:59:22,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370419091] [2021-11-23 00:59:22,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370419091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:59:22,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:59:22,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 00:59:22,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077538002] [2021-11-23 00:59:22,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:59:22,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 00:59:22,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:59:22,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 00:59:22,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 00:59:22,473 INFO L87 Difference]: Start difference. First operand 687 states and 1008 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-11-23 00:59:22,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:59:22,511 INFO L93 Difference]: Finished difference Result 978 states and 1455 transitions. [2021-11-23 00:59:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 00:59:22,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 72 [2021-11-23 00:59:22,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:59:22,512 INFO L225 Difference]: With dead ends: 978 [2021-11-23 00:59:22,512 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 00:59:22,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 00:59:22,515 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 390 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:59:22,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [390 Valid, 780 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:59:22,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 00:59:22,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 00:59:22,516 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) [2021-11-23 00:59:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 00:59:22,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2021-11-23 00:59:22,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:59:22,516 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 00:59:22,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-11-23 00:59:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 00:59:22,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:59:22,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-23 00:59:22,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-23 00:59:22,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-11-23 00:59:22,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-23 00:59:22,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-23 00:59:22,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-23 00:59:22,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 00:59:22,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 00:59:24,263 INFO L858 garLoopResultBuilder]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-11-23 00:59:24,263 INFO L858 garLoopResultBuilder]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-11-23 00:59:24,263 INFO L858 garLoopResultBuilder]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-11-23 00:59:24,263 INFO L858 garLoopResultBuilder]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-11-23 00:59:24,263 INFO L854 garLoopResultBuilder]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,263 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-23 00:59:24,263 INFO L858 garLoopResultBuilder]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L6973-1(lines 6964 6982) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L854 garLoopResultBuilder]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res#1| 1) 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_~ret~0#1| 1) 0) (= ~ldv_mutex_udev~0 1)) [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,264 INFO L858 garLoopResultBuilder]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L854 garLoopResultBuilder]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= ~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)) [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-11-23 00:59:24,265 INFO L854 garLoopResultBuilder]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= ~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)) [2021-11-23 00:59:24,265 INFO L861 garLoopResultBuilder]: At program point L6977-1(lines 6962 6983) the Hoare annotation is: true [2021-11-23 00:59:24,265 INFO L858 garLoopResultBuilder]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L854 garLoopResultBuilder]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= ~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)) [2021-11-23 00:59:24,266 INFO L854 garLoopResultBuilder]: At program point L6153(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)) [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L854 garLoopResultBuilder]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= |ULTIMATE.start_m5632_recover_~r~0#1| 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 0)) [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L854 garLoopResultBuilder]: At program point L5858(lines 5843 5860) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-23 00:59:24,266 INFO L854 garLoopResultBuilder]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,267 INFO L854 garLoopResultBuilder]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,267 INFO L854 garLoopResultBuilder]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,267 INFO L858 garLoopResultBuilder]: For program point L6917-2(lines 6917 6920) no Hoare annotation was computed. [2021-11-23 00:59:24,267 INFO L858 garLoopResultBuilder]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-11-23 00:59:24,267 INFO L854 garLoopResultBuilder]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= ~ldv_retval_3~0 0)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse3 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 .cse1 (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res#1| 1) 0) .cse2 .cse3 (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 1) 0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_~ret~0#1| 1) 0) (= ~ldv_mutex_udev~0 1)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) .cse3 (= 2 ~ldv_mutex_udev~0)))) [2021-11-23 00:59:24,267 INFO L854 garLoopResultBuilder]: At program point L5960(lines 5956 5962) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L861 garLoopResultBuilder]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2021-11-23 00:59:24,267 INFO L858 garLoopResultBuilder]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= |ULTIMATE.start_m5632_recover_~r~0#1| 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 0)) [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L6326(lines 6321 6328) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,268 INFO L861 garLoopResultBuilder]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L858 garLoopResultBuilder]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L5765-2(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L5765-3(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L5765(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L5765-1(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= ~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)) [2021-11-23 00:59:24,268 INFO L854 garLoopResultBuilder]: At program point L5765-4(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,269 INFO L854 garLoopResultBuilder]: At program point L5765-5(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L854 garLoopResultBuilder]: At program point L6922(lines 6914 6924) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= |ULTIMATE.start_m5632_recover_~r~0#1| 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) (= ~ldv_mutex_lock~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 0) (= ~ldv_mutex_udev~0 1)) [2021-11-23 00:59:24,269 INFO L854 garLoopResultBuilder]: At program point L6988(lines 6987 6989) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6856-2(lines 6856 6859) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6329-3(lines 6329 6335) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6329-2(lines 6329 6335) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6329-1(lines 6329 6335) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6329(lines 6329 6335) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L854 garLoopResultBuilder]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= ~ldv_retval_3~0 0)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse3 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 .cse1 (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res#1| 1) 0) .cse2 .cse3 (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 1) 0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_~ret~0#1| 1) 0) (= ~ldv_mutex_udev~0 1)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) .cse3 (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 0)))) [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6329-5(lines 6329 6335) no Hoare annotation was computed. [2021-11-23 00:59:24,269 INFO L858 garLoopResultBuilder]: For program point L6329-4(lines 6329 6335) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L854 garLoopResultBuilder]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L854 garLoopResultBuilder]: At program point L6959(lines 6955 6961) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= |ULTIMATE.start_m5632_recover_~r~0#1| 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) (= ~ldv_mutex_lock~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 0) (= ~ldv_mutex_udev~0 1)) [2021-11-23 00:59:24,270 INFO L854 garLoopResultBuilder]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6332(line 6332) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2021-11-23 00:59:24,270 INFO L858 garLoopResultBuilder]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L5773(lines 5768 5775) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L854 garLoopResultBuilder]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,271 INFO L858 garLoopResultBuilder]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L854 garLoopResultBuilder]: At program point L6304(lines 6299 6306) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= |ULTIMATE.start_m5632_recover_~r~0#1| 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res#1| 0) (= ~ldv_mutex_lock~0 1) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res#1| 0) (= ~ldv_mutex_udev~0 1)) [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6965-2(lines 6964 6982) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6965(lines 6965 6968) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L854 garLoopResultBuilder]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= ~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)) [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,272 INFO L858 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L854 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6969-1(lines 6964 6982) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L854 garLoopResultBuilder]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,273 INFO L854 garLoopResultBuilder]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_retval_3~0 0) (= 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)) [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-11-23 00:59:24,273 INFO L858 garLoopResultBuilder]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-11-23 00:59:24,277 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:59:24,278 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 00:59:24,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:59:24 BoogieIcfgContainer [2021-11-23 00:59:24,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 00:59:24,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:59:24,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:59:24,297 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:59:24,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:19" (3/4) ... [2021-11-23 00:59:24,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:59:24,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2021-11-23 00:59:24,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-23 00:59:24,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 00:59:24,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:59:24,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:59:24,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && \result + 1 <= 0) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || (((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && \result + 1 <= 0) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && \result + 1 <= 0) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ret + 1 <= 0) && ldv_mutex_udev == 1 [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0 [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0 [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && \result == 0) && ldv_mutex_udev == 1 [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && \result == 0) && ldv_mutex_udev == 1 [2021-11-23 00:59:24,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && \result == 0) && ldv_mutex_udev == 1 [2021-11-23 00:59:24,504 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-23 00:59:24,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:59:24,505 INFO L158 Benchmark]: Toolchain (without parser) took 6820.83ms. Allocated memory was 100.7MB in the beginning and 314.6MB in the end (delta: 213.9MB). Free memory was 62.9MB in the beginning and 185.1MB in the end (delta: -122.2MB). Peak memory consumption was 209.5MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,505 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 35.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:59:24,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.26ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 64.8MB in the end (delta: -2.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.23ms. Allocated memory is still 132.1MB. Free memory was 64.8MB in the beginning and 81.9MB in the end (delta: -17.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,506 INFO L158 Benchmark]: Boogie Preprocessor took 98.01ms. Allocated memory is still 132.1MB. Free memory was 81.9MB in the beginning and 72.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,506 INFO L158 Benchmark]: RCFGBuilder took 982.06ms. Allocated memory was 132.1MB in the beginning and 216.0MB in the end (delta: 83.9MB). Free memory was 72.9MB in the beginning and 143.6MB in the end (delta: -70.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,506 INFO L158 Benchmark]: TraceAbstraction took 4414.81ms. Allocated memory was 216.0MB in the beginning and 314.6MB in the end (delta: 98.6MB). Free memory was 142.6MB in the beginning and 159.9MB in the end (delta: -17.3MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,507 INFO L158 Benchmark]: Witness Printer took 208.32ms. Allocated memory is still 314.6MB. Free memory was 159.9MB in the beginning and 185.1MB in the end (delta: -25.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2021-11-23 00:59:24,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 35.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.26ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 64.8MB in the end (delta: -2.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.23ms. Allocated memory is still 132.1MB. Free memory was 64.8MB in the beginning and 81.9MB in the end (delta: -17.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.01ms. Allocated memory is still 132.1MB. Free memory was 81.9MB in the beginning and 72.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 982.06ms. Allocated memory was 132.1MB in the beginning and 216.0MB in the end (delta: 83.9MB). Free memory was 72.9MB in the beginning and 143.6MB in the end (delta: -70.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4414.81ms. Allocated memory was 216.0MB in the beginning and 314.6MB in the end (delta: 98.6MB). Free memory was 142.6MB in the beginning and 159.9MB in the end (delta: -17.3MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. * Witness Printer took 208.32ms. Allocated memory is still 314.6MB. Free memory was 159.9MB in the beginning and 185.1MB in the end (delta: -25.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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, 168 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2788 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2788 mSDsluCounter, 5639 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2965 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2674 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=687occurred in iteration=8, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1260 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 52 PreInvPairs, 214 NumberOfFragments, 839 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 11600 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 1058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 16/16 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_retval_3 == 0 && 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: 7027]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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_retval_3 == 0 && 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: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5956]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 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: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5843]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: 6307]: Loop Invariant Derived loop invariant: ((((ldv_retval_3 == 0 && 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: ((((ldv_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 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: ((((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && \result + 1 <= 0) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((ldv_retval_3 == 0 && 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: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: ((((ldv_retval_3 == 0 && 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: 6914]: Loop Invariant Derived loop invariant: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && \result == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6299]: Loop Invariant Derived loop invariant: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && \result == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6955]: Loop Invariant Derived loop invariant: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && \result == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: ((((ldv_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: ((((ldv_retval_3 == 0 && 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: (((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && \result + 1 <= 0) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ret + 1 <= 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: (((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && \result + 1 <= 0) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || (((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: ((((((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && r == 0) && ldv_mutex_i_mutex_of_inode == 1) && \result == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6321]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: ((((ldv_retval_3 == 0 && 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: ((((ldv_retval_3 == 0 && 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: ((((ldv_retval_3 == 0 && 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: (((ldv_retval_3 == 0 && 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: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_retval_3 == 0 && 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: 7015]: Loop Invariant Derived loop invariant: (((ldv_retval_3 == 0 && 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: ((((ldv_retval_3 == 0 && 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 RESULT: Ultimate proved your program to be correct! [2021-11-23 00:59:24,560 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